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MASSACHUSETTS COAST
Minimum Minimum Speed Direction
Before Flood Before Ebb Ratio At Maximum
Station Depth Flood Ebb Flood Ebb Flood Ebb Reference Station
Merrimack River entrance +1 04 +1 15 +1 13 -0 34 2.0 1.2 285 105 Boston Harbor
Newburyport, Merrimack River +1 28 +1 48 +1 47 +0 35 1.4 1.2 288 098 Boston Harbor
Plum Island Sound entrance +0 36 +0 50 +0 48 -0 07 1.5 1.2 316 184 Boston Harbor
Annisquam Harbor Light +0 42 +0 49 +0 58 +0 03 0.9 1.1 200 013 Boston Harbor
Gloucester Harbor entrance -0 28 +0 01 -0 29 -0 36 0.3 0.2 340 195 Boston Harbor
Blynman Canal ent., Gloucester Harbor -0 06 +0 05 -0 15 -0 39 2.7 2.8 310 130 Boston Harbor
Marblehead Channel +1 09 +1 09 +1 09 +1 09 0.4 0.3 285 105 Boston Harbor
Nahant, 1.8 n.mi. NE of East Point 10 +0 32 +0 49 +0 15 +1 00 0.6 0.6 252 144 Boston Harbor
. . . do. 45 -0 21 +1 04 +1 14 -0 31 0.3 0.2 250 070 Boston Harbor
. . . do. 80 -0 25 +1 04 +1 15 -0 31 0.2 0.1 238 077 Boston Harbor
Nahant, 0.4 n.mi. east of East Point 15 +0 04 -0 41 +0 15 +0 22 0.4 0.5 205 045 Boston Harbor
. . . do. 25 +0 03 -0 26 +0 08 +0 29 0.4 0.4 198 027 Boston Harbor
Nahant, 1 n.mi. SE of East Point 45 +0 04 +1 04 +1 13 +0 14 0.3 0.2 253 074 Boston Harbor
. . . do. 70 -0 22 -0 04 +0 19 -1 01 0.2 0.2 261 090 Boston Harbor
Pea Island, 0.4 n.mi. southeast of 15 +0 53 +0 55 +0 42 -0 01 0.5 0.4 239 063 Boston Harbor
. . . do. 25 +0 34 +0 34 +0 57 +0 29 0.4 0.3 224 048 Boston Harbor
. . . do. 65 -0 37 -0 59 +0 14 -0 31 0.3 0.3 271 035 Boston Harbor
Bass Point, 1.2 n.mi. southeast of 10 -0 22 +1 20 +0 58 -0 14 0.7 0.6 259 066 Boston Harbor
. . . do. 45 -0 29 -0 10 +0 52 -0 29 0.3 0.2 251 086 Boston Harbor
. . . do. 60 -0 29 -0 10 +0 31 -0 59 0.2 0.2 250 091 Boston Harbor
Little Nahant Cupola, 0.6 n.mi. west of 10 -0 02 -0 26 +1 32 +0 46 0.4 0.4 033 219 Boston Harbor
Sand Point, Black Marsh Channel 10 +0 04 -0 17 +1 00 +0 27 0.5 0.4 013 203 Boston Harbor
Lynn Harbor 10 +0 29 -0 26 +2 35 +1 25 0.2 0.2 274 090 Boston Harbor
Point of Pines, 0.5 n.mi. south of 6 +0 05 +0 19 +1 08 +0 41 0.4 0.5 009 198 Boston Harbor
Point of Pines, 0.1 n.mi. northeast of 6 +0 43 +0 29 +1 00 +0 34 0.8 1.0 296 131 Boston Harbor
Finn's Ledge Bell, 0.2 n.mi. west of 10 -0 01 +1 05 +0 26 -0 02 0.5 0.6 226 035 Boston Harbor
. . . do. 25 -0 11 +0 50 +0 36 +0 28 0.3 0.4 229 033 Boston Harbor
Winthrop Head, 1.1 n.mi. east of 10 -1 12 +0 19 +0 31 -1 46 0.4 0.3 205 019 Boston Harbor
Lovell Island, 1.3 n.mi. north of 10 -0 52 -0 57 -0 14 -0 25 0.8 1.0 196 033 Boston Harbor
. . . do. 25 -1 19 -0 59 -0 12 -0 13 0.7 0.6 197 033 Boston Harbor
BOSTON HARBOR APPROACHES
Minimum Minimum Speed Direction
Before Flood Before Ebb Ratio At Maximum
Station Depth Flood Ebb Flood Ebb Flood Ebb Reference Station
The Graves, 0.3 n.mi. SSE of 10 +0 16 +1 08 +1 21 +0 19 0.5 0.5 227 103 Boston Harbor
. . . do. 45 -0 37 -0 52 -0 10 -0 58 0.3 0.4 262 085 Boston Harbor
. . . do. 60 -0 49 -0 52 -0 16 -1 23 0.2 0.3 252 070 Boston Harbor
Thieves Ledge 45 -0 15 -0 06 -0 40 -1 37 0.2 0.2 304 128 Boston Harbor
Little Brewster Island, 1.5 n.mi. E of 10 +2 19 +0 41 -0 40 +0 55 0.5 1.0 285 080 Boston Harbor
. . . do. 35 +0 53 -0 49 +0 03 +1 30 0.3 0.4 236 076 Boston Harbor
. . . do. 60 -1 14 -1 23 +1 31 -0 45 0.3 0.2 225 047 Boston Harbor
Hypocrite Channel 10 +0 13 +0 19 +0 49 -0 31 0.8 0.8 262 070 Boston Harbor
Little Calf Island, 0.4 n.mi. NW of 10 +0 23 +0 04 -0 15 -0 18 0.5 0.6 220 048 Boston Harbor
Boston Light, 0.2 n.mi. south of 10 +0 14 +0 19 +0 41 +0 40 0.9 1.1 267 100 Boston Harbor
Point Allerton, 0.8 n.mi. NNW of 10 +0 25 +0 03 +0 46 -0 05 1.0 1.1 270 086 Boston Harbor
. . . do. 25 +0 17 +0 13 +0 55 +0 29 0.9 0.9 257 090 Boston Harbor
Point Allerton, 0.5 n.mi. NNW of 10 +0 14 +0 26 +0 41 +0 11 0.9 1.0 280 079 Boston Harbor
. . . do. 25 +0 08 +0 29 +0 53 +0 25 0.8 0.8 262 080 Boston Harbor
Point Allerton, 0.4 n.mi. northwest of 10 -0 09 +0 53 +0 17 -1 11 0.6 0.7 265 080 Boston Harbor
Calf Island, 0.4 n.mi. west of 10 +0 02 +0 23 +0 10 +0 13 0.5 0.5 198 037 Boston Harbor
. . . do. 25 -0 28 0 00 +0 16 -1 36 0.5 0.3 203 052 Boston Harbor
. . . do. 45 -1 28 +0 04 +0 05 -2 15 0.3 0.3 209 020 Boston Harbor
Aldridge Ledge, 0.2 n.mi. north of 10 +0 22 +1 03 +0 43 +0 02 0.8 1.0 230 061 Boston Harbor
. . . do. 25 +0 08 +0 35 +0 52 +0 50 0.6 0.6 223 042 Boston Harbor
Black Rock Channel 10 -0 08 -0 11 +0 24 -0 01 0.6 0.8 247 046 Boston Harbor
Deer Island Light, 0.4 n.mi. NW of 35 -0 15 -2 10 -4 11 -1 46 0.2 0.5 307 116 Boston Harbor
Lovell Island, 0.4 n.mi. north of 10 +0 09 -0 11 +0 22 -0 29 1.1 1.0 259 064 Boston Harbor
. . . do. 25 -0 08 -0 14 +0 26 -0 11 1.1 0.8 264 074 Boston Harbor
Deer Island, 0.7 n.mi. ESE of 10 +0 27 +0 19 +0 38 +0 10 1.1 1.1 220 048 Boston Harbor
. . . do. 35 -0 01 -0 11 +0 41 +0 20 1.0 0.7 221 048 Boston Harbor
Deer Island Light, 0.8 n.mi. ESE of 10 -0 04 -0 20 +0 20 -1 23 0.8 0.8 233 066 Boston Harbor
Deer Island Light, 0.4 n.mi. east of 10 +0 08 -1 13 +0 17 -0 16 0.8 0.8 240 057 Boston Harbor
. . . do. 35 -0 32 +0 52 +0 44 +0 16 1.0 0.6 264 053 Boston Harbor
Deer Island Light, 0.7 n.mi. ESE of 35 -0 23 -0 10 +0 25 -1 01 0.9 0.5 233 062 Boston Harbor
BOSTON HARBOR-PRESIDENT ROADS
Minimum Minimum Speed Direction
Before Flood Before Ebb Ratio At Maximum
Station Depth Flood Ebb Flood Ebb Flood Ebb Reference Station
BOSTON HARBOR (Deer Island Light) 10 Daily predictions 254 111 Boston Harbor
Deer Island Light, 0.3 n.mi. SSE of 10 +0 02 +0 44 +0 15 +0 28 1.3 0.9 265 082 Boston Harbor
. . . do. 35 -0 11 +0 46 +0 49 +0 28 1.3 0.8 261 090 Boston Harbor
Deer Island Light, 0.4 n.mi. SSE of 10 +0 06 +0 53 +0 43 +0 30 1.4 0.9 265 073 Boston Harbor
. . . do. 25 -0 02 +0 47 +0 52 +0 33 1.3 0.9 269 081 Boston Harbor
Deer Island, southwest of 10 +0 04 -0 26 -1 58 -1 08 0.4 0.5 351 137 Boston Harbor
Long Island Head, 0.9 n.mi. NW of 10 -0 08 +0 30 +0 01 -0 44 0.6 0.5 302 103 Boston Harbor
. . . do. 35 -0 01 +1 21 +0 50 +0 33 0.4 0.3 304 079 Boston Harbor
Deer Island Flats 10 -0 27 -1 11 -1 32 -3 04 0.4 0.4 327 107 Boston Harbor
Snake Island, southwest of 10 -0 05 +0 19 +0 31 +0 13 0.4 0.4 312 134 Boston Harbor
Deer Island Light, 1.0 n.mi. WSW of 10 +0 52 +1 14 +2 10 +1 05 1.2 0.7 254 086 Boston Harbor
. . . do. 35 +0 04 +1 33 +1 55 +0 23 1.1 0.3 273 082 Boston Harbor
Spectacle I. and Long I., between 10 -0 04 +0 04 -0 34 -0 22 0.5 0.5 217 038 Boston Harbor
Spectacle Island, 0.2 n.mi. south of 10 -0 13 -1 05 -0 52 -1 46 0.4 0.4 244 098 Boston Harbor
Spectacle Island, 0.3 n.mi. north of 10 +0 37 +1 40 +1 42 +0 37 1.1 0.7 271 081 Boston Harbor
. . . do. 35 -0 07 +1 32 +1 31 +0 31 0.8 0.5 280 086 Boston Harbor
Spectacle Island, 0.7 n.mi. north of 10 +0 21 +1 09 +1 32 +0 25 0.8 0.6 280 082 Boston Harbor
. . . do. 25 -0 03 +0 56 +1 26 +0 29 0.6 0.5 287 086 Boston Harbor
Spectacle Island, 0.1 n.mi. north of 10 +0 17 +1 40 +1 20 +0 52 1.0 0.7 277 080 Boston Harbor
. . . do. 25 -0 11 +1 32 +1 20 -0 03 0.8 0.5 280 081 Boston Harbor
Spectacle I. and Thompson I., between 10 -1 40 -3 54 -2 30 -2 56 0.2 0.3 306 127 Boston Harbor
Thompson Island, 0.7 n.mi. NNE of 10 -0 28 +1 31 +1 10 -0 20 0.7 0.5 281 086 Boston Harbor
. . . do. 35 -1 04 +1 31 +0 48 -0 40 0.4 0.2 277 091 Boston Harbor
Fort Independence, 0.3 n.mi. east of 10 +0 36 +1 31 +1 30 +1 12 0.6 0.5 303 125 Boston Harbor
Fort Independence, 0.4 n.mi. NW of 10 -0 12 -0 25 -0 32 +0 01 0.4 0.5 288 113 Boston Harbor
South Boston, Pier 4, 0.2 n.mi. NNE of 10 +0 38 +0 56 +0 16 +1 13 0.3 0.3 299 118 Boston Harbor
. . . do. 25 -0 14 +0 19 +1 42 +0 15 0.3 0.1 030 120 Boston Harbor
Charles River 10 Current weak and variable Boston Harbor
East Boston, Pier 10, southeast of 10 +1 35 +0 50 +0 28 +0 16 0.2 0.3 017 194 Boston Harbor
. . . do. 25 +0 01 +1 05 +1 23 +0 51 0.3 0.2 030 193 Boston Harbor
Chelsea River, west of bascule bridge 10 +0 02 -0 26 +0 43 -0 46 0.2 0.2 048 240 Boston Harbor
Chelsea River, below bascule bridge 10 +0 29 -0 15 +0 37 -0 04 0.2 0.2 088 272 Boston Harbor
Mystic River Bridge, 0.1 n.mi. west of 10 +0 31 -0 10 -0 46 -0 16 0.1 0.1 267 093 Boston Harbor
Mystic River Bridge, northwest of 10 -0 20 +1 04 +0 22 -0 44 0.1 0.1 300 098 Boston Harbor
City Point, 0.8 n.mi. SSE of 10 +0 13 +0 34 +1 19 +1 03 0.5 0.5 248 069 Boston Harbor
Squantum Point, 0.8 n.mi. northeast of 10 +0 18 +0 35 +1 16 +0 51 0.4 0.4 216 036 Boston Harbor
Squantum Point, 0.4 n.mi. NNE of 10 +0 14 -0 06 +0 41 +0 52 0.4 0.4 266 091 Boston Harbor
Neponset River 10 -0 25 -0 32 +0 45 +0 35 0.4 0.4 218 025 Boston Harbor
BOSTON HARBOR-NANTASKET ROADS
Minimum Minimum Speed Direction
Before Flood Before Ebb Ratio At Maximum
Station Depth Flood Ebb Flood Ebb Flood Ebb Reference Station
Lovell Island, 0.1 n.mi. south of 10 +0 08 -1 54 -0 30 +0 17 0.6 0.9 275 092 Boston Harbor
. . . do. 24 -0 25 -2 17 -0 20 -1 01 0.7 0.7 294 095 Boston Harbor
Georges Island, northeast of 10 -0 13 -1 47 -0 29 -2 10 0.7 0.6 279 100 Boston Harbor
Georges Island, north of 25 -1 25 -1 41 -0 01 -1 46 0.7 0.8 298 112 Boston Harbor
Gallops Island, 0.2 n.mi. SSE of 10 +0 01 +0 16 +0 01 +0 21 1.0 0.8 243 062 Boston Harbor
Gallops Island, 0.1 n.mi. southeast of 10 -0 01 -0 38 +0 04 +0 27 0.9 0.9 225 063 Boston Harbor
. . . do. 35 -0 07 -0 38 +0 17 +0 15 0.8 0.7 255 052 Boston Harbor
Gallops Island, The Narrows 20 -1 25 -0 11 +1 13 -0 46 0.4 0.1 135 262 Boston Harbor
Lovell Island, The Narrows 10 +0 43 +0 34 +1 00 -0 05 0.4 0.4 128 293 Boston Harbor
Lovell Island, west of 10 +0 16 -0 26 +0 49 +0 29 0.4 1.0 134 299 Boston Harbor
. . . do. 24 -0 04 +0 14 +1 22 +0 02 0.4 1.0 136 313 Boston Harbor
Georges Island, 0.5 n.mi. ESE of 10 +0 32 +0 46 +1 00 +0 13 0.9 1.0 244 065 Boston Harbor
Georges Island, 0.4 n.mi. east of 10 -0 17 +0 04 +0 08 -0 11 1.0 0.9 248 057 Boston Harbor
Georges Island, 0.5 n.mi. southeast of 10 -0 11 +0 56 +0 45 +0 03 1.1 1.2 243 070 Boston Harbor
. . . do. 25 -0 11 +0 05 +0 47 +0 01 1.0 1.2 247 078 Boston Harbor
Georges Island, 0.3 n.mi. SSE of 10 +0 21 +0 24 +0 34 +0 41 1.0 1.0 234 069 Boston Harbor
. . . do. 35 +0 08 +0 35 +0 58 +0 02 0.9 0.7 237 073 Boston Harbor
Georges Island, 0.4 n.mi. SSE of 10 +0 16 +0 53 +0 32 -2 03 1.2 0.8 236 046 Boston Harbor
. . . do. 35 +0 14 +0 56 +0 56 0 00 1.1 0.8 240 065 Boston Harbor
Nubble Channel 10 -0 12 +0 45 +0 45 +0 43 0.7 0.6 187 006 Boston Harbor
Hull Gut 10 -0 10 +0 35 -0 01 +0 25 1.1 1.5 163 350 Boston Harbor
. . . do. 25 -0 09 +0 40 -0 01 +0 25 1.2 1.6 153 354 Boston Harbor
Peddocks Island, 0.2 n.mi. north of 10 +0 37 +1 22 +1 20 -0 29 0.9 0.6 246 257 Boston Harbor
. . . do. 25 +0 07 +1 04 +1 30 -0 53 0.9 0.5 255 060 Boston Harbor
Peddocks Island, 0.3 n.mi. northwest of 10 +0 51 +1 25 +1 25 +0 56 1.0 0.8 245 060 Boston Harbor
. . . do. 25 +0 21 +1 09 +1 32 +0 15 0.9 0.5 250 055 Boston Harbor
. . . do. 40 -0 08 +1 06 +1 45 -0 47 0.9 0.4 261 060 Boston Harbor
Rainsford I. and Windmill Pt., between 10 +0 37 +0 54 +0 34 +0 46 0.7 0.8 251 056 Boston Harbor
. . . do. 25 +0 22 +1 19 +1 36 +0 05 0.7 0.4 256 053 Boston Harbor
Gallops Island, 0.5 n.mi. southwest of 10 +0 50 +0 14 -0 57 +0 47 0.6 0.6 238 074 Boston Harbor
. . . do. 25 +0 17 +0 17 -0 28 +1 10 0.4 0.3 237 072 Boston Harbor
Rainsford Island, 0.2 n.mi. NE of 10 -0 17 +0 18 +0 19 -1 01 0.5 0.4 239 084 Boston Harbor
. . . do. 20 -1 52 +0 41 +0 17 -1 12 0.4 0.2 237 086 Boston Harbor
Rainsford Island, 0.4 n.mi. SE of 10 +0 01 -0 49 +1 02 +0 01 0.6 0.6 225 055 Boston Harbor
Long I. and Rainsford I., between 10 +0 31 +0 13 +0 39 +0 55 0.6 0.7 226 049 Boston Harbor
. . . do. 25 +0 22 +0 38 +0 43 -0 01 0.6 0.6 229 033 Boston Harbor
West Head, Peddocks I., 0.1 n.mi. W of 10 -1 21 +0 57 +1 29 -1 04 1.0 0.7 208 018 Boston Harbor
. . . do. 30 -1 26 +1 03 +1 20 -0 48 0.8 0.5 198 038 Boston Harbor
Sunken Ledge, 0.2 n.mi. northwest of 10 +0 26 -0 36 +0 33 +0 56 0.4 0.5 223 016 Boston Harbor
. . . do. 20 +0 28 +0 24 +0 38 -0 02 0.3 0.4 236 030 Boston Harbor
West Head, Long I., 0.4 n.mi. south of 10 +0 33 +0 46 +1 05 +0 29 0.6 0.5 231 060 Boston Harbor
. . . do. 20 +0 15 +1 00 +1 00 +0 25 0.5 0.4 231 043 Boston Harbor
Moon Head, 0.4 n.mi. east of 10 -0 09 -1 54 -0 25 -1 31 0.3 0.3 259 080 Boston Harbor
West Head, 0.2 n.mi. southwest of 10 -0 04 +0 21 +1 05 +0 09 1.2 1.2 167 322 Boston Harbor
Nut Island, 0.4 n.mi. NNE of 10 +0 20 +0 25 +1 06 +0 43 1.2 1.2 158 312 Boston Harbor
. . . do. 20 +0 20 +0 29 +1 13 +0 41 1.1 1.2 155 321 Boston Harbor
Nut Island, 0.2 n.mi. NNE of 10 +0 40 +0 35 +1 20 +0 43 1.1 1.0 146 309 Boston Harbor
. . . do. 20 +0 39 +0 38 +1 30 +0 28 0.9 0.8 131 303 Boston Harbor
Peddocks Island, west of 10 -0 33 +0 15 +0 01 -0 31 0.4 0.3 187 358 Boston Harbor
Moon Head, 0.9 n.mi. southeast of 10 +0 39 +1 04 +1 32 +0 44 0.3 0.3 227 033 Boston Harbor
Squantum, 0.3 n.mi. southeast of 8 Current weak and variable Boston Harbor
BOSTON HARBOR-HINGHAM BAY
Minimum Minimum Speed Direction
Before Flood Before Ebb Ratio At Maximum
Station Depth Flood Ebb Flood Ebb Flood Ebb Reference Station
Weir River entrance 10 +0 18 +0 34 +0 47 +0 42 0.7 0.6 076 272 Boston Harbor
Strawberry Hill, 0.4 n.mi. west of 6 Current weak and variable Boston Harbor
Crow Point, 0.2 n.mi. north of 10 +0 14 -0 41 +0 09 +1 42 0.3 0.2 146 319 Boston Harbor
Bumkin Island, 0.1 n.mi. west of 10 +0 07 +1 13 +0 42 +1 04 0.6 0.6 166 320 Boston Harbor
. . . do. 20 -0 14 +1 11 +1 02 +0 53 0.5 0.5 161 316 Boston Harbor
Windmill Point, 0.7 n.mi. SSE of 10 +0 07 +0 35 +0 16 -1 29 1.0 0.4 128 350 Boston Harbor
. . . do. 25 +0 02 +0 50 +1 46 +1 01 0.9 0.1 136 315 Boston Harbor
Bumkin Island, 0.4 n.mi. west of 10 -0 14 +0 46 +0 28 -2 46 0.5 0.2 195 303 Boston Harbor
Sheep Island, 0.3 n.mi. west of 10 +0 20 +1 09 +1 20 +1 01 0.9 0.4 075 305 Boston Harbor
. . . do. 25 +1 19 +1 09 +1 37 -0 10 0.8 0.3 082 300 Boston Harbor
Grape Island and Lower Neck, between 10 -0 14 -1 21 +0 11 +0 23 0.6 0.7 094 281 Boston Harbor
Grape Island 10 -0 38 +0 08 +0 43 -0 06 0.4 0.3 203 345 Boston Harbor
Pig Rock, north of 10 +0 49 -0 41 -0 10 +0 59 0.6 0.8 078 290 Boston Harbor
. . . do. 25 +0 44 +0 19 +1 26 +0 34 0.5 0.6 082 293 Boston Harbor
Pig Rock, northwest of 20 +1 13 +0 47 +1 58 +1 12 0.9 0.7 085 283 Boston Harbor
Stodders Neck, Weymouth Back River 10 -0 23 +0 49 +0 39 -0 31 0.5 0.2 268 093 Boston Harbor
Gull Point, 0.4 n.mi. ESE of 10 -0 10 -0 37 +0 13 +0 07 0.4 0.4 229 069 Boston Harbor
. . . do. 25 -0 40 -0 47 +0 47 +0 19 0.4 0.1 235 042 Boston Harbor
Kings Cove, off 10 -0 13 -1 26 +0 02 -0 46 0.3 0.3 242 063 Boston Harbor
Germantown Point 20 +0 14 +0 49 +0 54 +0 13 0.3 0.3 269 070 Boston Harbor
Pine Point, southeast of 10 -0 58 +1 00 +0 53 -1 16 0.2 0.1 149 303 Boston Harbor
Philip Head, Town River Bay 10 +0 20 +1 28 +1 16 +0 29 0.3 0.2 289 095 Boston Harbor
Hole Point Reach, Town River 10 Negligible current Boston Harbor
CAPE COD BAY
Minimum Minimum Speed Direction
Before Flood Before Ebb Ratio At Maximum
Station Depth Flood Ebb Flood Ebb Flood Ebb Reference Station
Race Point, 7 miles north of -0 01 -0 01 -0 01 -0 01 1.4 1.2 290 - - Boston Harbor
Race Point, 1 mile northwest of -0 06 -0 06 -0 06 -0 06 0.9 0.8 226 061 Boston Harbor
Provincetown Harbor +0 04 +0 04 +0 04 +0 04 0.5 0.3 315 135 Boston Harbor
Wellfleet Harbor +0 09 +0 09 +0 09 +0 09 0.6 0.4 020 200 Boston Harbor
Barnstable Harbor +0 19 +0 58 +0 22 +0 29 1.1 1.2 192 004 Boston Harbor
Sandwich Harbor Current weak and variable Boston Harbor
Sagamore Beach Current weak and variable Boston Harbor
Ellisville Harbor, 1 mile east of +0 14 +0 14 +0 14 +0 14 0.3 0.2 200 020 Boston Harbor
Manomet Point +0 04 +0 04 +0 04 +0 04 1.0 0.7 155 010 Boston Harbor
Gurnet Point, 1 mile east of -0 06 -0 06 -0 06 -0 06 1.3 0.8 250 - - Boston Harbor
Plymouth Harbor +0 04 +0 04 +0 04 +0 04 0.5 0.3 245 010 Boston Harbor
Farnham Rock, 1 mile east of -0 21 -0 21 -0 21 -0 21 1.0 0.8 180 010 Boston Harbor
MASSACHUSETTS COAST-cont.
Minimum Minimum Speed Direction
Before Flood Before Ebb Ratio At Maximum
Station Depth Flood Ebb Flood Ebb Flood Ebb Reference Station
Old Man Shoal, Nantucket Shoals +1 23 +1 03 +1 17 +1 14 0.9 0.9 080 225 Pollock Rip Channel
Miacomet Pond, 3.0 miles SSE of +2 19 +2 03 +2 22 +2 16 0.6 0.8 080 280 Pollock Rip Channel
Tuckernuck Island, 4.2 miles SSW of +4 08 +3 13 +2 17 +3 56 0.3 0.6 090 280 Pollock Rip Channel
Martha's Vineyard, 1.4 miles S of #1 - - - -2 53 - - - -2 47 0.1 0.1 230 095 Pollock Rip Channel
NANTUCKET SOUND ENTRANCE
Minimum Minimum Speed Direction
Before Flood Before Ebb Ratio At Maximum
Station Depth Flood Ebb Flood Ebb Flood Ebb Reference Station
Pollock Rip Channel, east end -0 14 -0 39 -0 23 -0 38 1.0 1.1 053 212 Pollock Rip Channel
POLLOCK RIP CHANNEL (Butler Hole) Daily predictions 037 226 Pollock Rip Channel
NANTUCKET SOUND
Minimum Minimum Speed Direction
Before Flood Before Ebb Ratio At Maximum
Station Depth Flood Ebb Flood Ebb Flood Ebb Reference Station
Monomoy Pt., channel 0.2 mile west of 0 00 +0 39 +0 18 -0 23 0.8 1.2 170 346 Pollock Rip Channel
Chatham Roads Current weak and variable Pollock Rip Channel
Stage Harbor, west of Morris Island +3 07 +1 29 +2 24 +4 28 0.3 0.6 335 144 Pollock Rip Channel
Dennis Port, 2.2 miles south of +1 28 +0 52 +0 27 +1 04 0.2 0.2 077 269 Pollock Rip Channel
Monomoy Point, 6 miles west of +1 22 +1 52 +1 09 +1 22 0.2 0.3 090 275 Pollock Rip Channel
Handkerchief Lighted Whistle Buoy "H" +1 08 +1 10 +0 49 +0 59 0.6 0.8 080 251 Pollock Rip Channel
Halfmoon Shoal, 1.9 miles northeast of +1 42 +1 49 +1 24 +1 44 0.4 0.3 110 265 Pollock Rip Channel
Halfmoon Shoal, 3.5 miles east of +1 13 +1 23 +1 06 +1 11 0.5 0.6 088 295 Pollock Rip Channel
Great Point, 0.5 mile west of +0 25 +1 37 +1 13 +0 33 0.6 0.7 029 195 Pollock Rip Channel
Great Point, 3 miles west of +1 15 +1 23 +0 51 +1 08 0.4 0.5 066 248 Pollock Rip Channel
Tuckernuck Shoal, off east end +1 22 +1 34 +1 09 +1 10 0.5 0.5 113 287 Pollock Rip Channel
Brant Point, 2 miles NNW of #1 - - - +1 43 - - - +2 36 0.2 0.2 090 275 Pollock Rip Channel
Nantucket Harbor entrance channel +3 22 +1 55 +2 44 +3 58 0.6 0.9 171 350 Pollock Rip Channel
Eel Pt., Nantucket I. 2.5 miles NE of +1 13 +1 12 +1 02 +1 15 0.3 0.2 094 284 Pollock Rip Channel
Muskeget I., channel 1 mile northeast of +1 29 +0 45 +0 57 +0 56 0.6 0.9 108 295 Pollock Rip Channel
Muskeget Rock, 1.3 miles southwest of +1 10 +0 23 +0 57 +0 18 0.6 0.6 024 192 Pollock Rip Channel
Muskeget Channel +1 40 +0 38 +1 29 +1 02 1.9 1.9 021 200 Pollock Rip Channel
Wasque Point, 2.0 miles southwest of +1 30 +1 04 +1 11 +0 32 0.6 0.6 075 280 Pollock Rip Channel
Long Shoal-Norton Shoal, between +1 31 +1 12 +1 26 +1 13 0.7 0.6 100 260 Pollock Rip Channel
Cape Poge Lt., 1.7 miles SSE of +0 58 -0 07 +0 49 +0 48 0.8 0.7 025 215 Pollock Rip Channel
Cross Rip Channel +1 48 +1 48 +1 55 +1 59 0.6 0.5 091 272 Pollock Rip Channel
Cape Poge Lt., 3.2 miles northeast of +2 42 +2 03 +2 33 +2 37 0.8 0.7 095 300 Pollock Rip Channel
Broken Ground-Horseshoe Shoal, between +1 46 +1 55 +1 15 +1 20 0.5 0.5 107 276 Pollock Rip Channel
Point Gammon, 1.2 miles south of +1 15 +1 03 +1 06 +1 02 0.5 0.6 105 260 Pollock Rip Channel
Hyannis Harbor, entrance off breakwater Current weak and variable Pollock Rip Channel
Lewis Bay entrance channel +2 46 +0 53 +2 44 +4 22 0.5 0.8 004 184 Pollock Rip Channel
Cotuit Bay entrance (Bluff Point) +2 44 +2 33 +2 51 +3 35 0.3 0.4 035 218 Pollock Rip Channel
Wreck Shoal-Eldridge Shoal, between +1 47 +1 32 +1 44 +1 45 0.8 0.8 062 245 Pollock Rip Channel
Hedge Fence Lighted Gong Buoy 22 +2 48 +2 34 +2 38 +2 44 0.7 0.7 108 268 Pollock Rip Channel
Cape Poge Light, 1.4 miles west of +2 13 +1 54 +1 26 +1 39 0.2 0.1 095 250 Pollock Rip Channel
Edgartown, Inner Harbor +0 25 -1 04 +0 35 -0 20 0.6 0.6 075 270 Pollock Rip Channel
Katama Pt., 0.6 mi. NNW of, Katama Bay +0 12 -0 43 +0 20 -0 31 0.3 0.3 325 180 Pollock Rip Channel
East Chop-Squash Meadow, between +2 07 +0 55 +1 43 +2 04 0.7 1.1 131 329 Pollock Rip Channel
East Chop, 1 mile north of +2 40 +1 52 +2 17 +2 11 1.1 1.3 116 297 Pollock Rip Channel
Vineyard Haven Current weak and variable Pollock Rip Channel
West Chop, 0.8 mile north of +2 49 +1 58 +2 20 +2 35 1.6 1.8 096 282 Pollock Rip Channel
Hedge Fence-L'Hommedieu Shoal, between +2 27 +1 38 +2 01 +1 52 1.0 1.3 106 276 Pollock Rip Channel
Waquoit Bay entrance +3 21 +2 14 +3 40 +4 01 0.8 0.8 348 203 Pollock Rip Channel
L'Hommedieu Shoal, north of west end +2 30 +2 03 +2 12 +2 11 1.2 1.4 080 268 Pollock Rip Channel
Nobska Point, 1.8 miles east of +2 13 +1 45 +1 55 +1 49 1.2 1.0 063 240 Pollock Rip Channel
VINEYARD SOUND
Minimum Minimum Speed Direction
Before Flood Before Ebb Ratio At Maximum
Station Depth Flood Ebb Flood Ebb Flood Ebb Reference Station
West Chop, 0.2 mile west of +1 19 +1 34 +1 50 +1 16 1.3 0.8 059 241 Pollock Rip Channel
Nobska Point, 1 mile southeast of +2 33 +2 15 +2 25 +2 19 1.3 1.4 071 259 Pollock Rip Channel
Norton Point, 0.5 mile north of +1 55 +1 44 +2 01 +1 12 1.7 1.4 050 240 Pollock Rip Channel
Tarpaulin Cove, 1.5 miles east of +2 49 +2 07 +2 12 +2 33 1.0 1.4 055 232 Pollock Rip Channel
Robinsons Hole, 1.2 miles southeast of +2 30 +1 51 +2 11 +2 02 1.0 1.2 060 240 Pollock Rip Channel
Gay Head, 3 miles northeast of +2 25 +1 50 +1 42 +2 11 0.5 0.8 081 238 Pollock Rip Channel
Menemsha Bight #6 Pollock Rip Channel
Gay Head, 3 miles north of +2 13 +1 24 +1 55 +1 17 0.6 0.7 074 255 Pollock Rip Channel
Gay Head, 1.5 miles northwest of +1 30 +0 54 +1 42 +1 16 1.0 1.2 012 249 Pollock Rip Channel
VINEYARD SOUND-BUZZARDS BAY
Minimum Minimum Speed Direction
Before Flood Before Ebb Ratio At Maximum
Station Depth Flood Ebb Flood Ebb Flood Ebb Reference Station
Woods Hole #59
South end +0 29 +1 40 +1 17 +0 08 0.4 0.2 135 318 Cape Cod Canal
0.1 mile SW of Devils Foot Island +0 20 +1 41 +0 55 +0 31 0.9 0.8 094 276 Cape Cod Canal
North end -0 29 +1 25 +1 09 -0 04 0.2 0.2 160 007 Cape Cod Canal
Robinsons Hole
South end +1 14 +1 42 +1 20 +1 01 0.2 0.2 162 339 Cape Cod Canal
Middle +1 30 +2 00 +1 02 +0 47 0.7 0.6 146 316 Cape Cod Canal
North end +1 54 +2 00 +0 52 +1 17 0.2 0.3 161 338 Cape Cod Canal
Quicks Hole
South end +2 18 +1 42 +1 17 +0 53 0.5 0.4 140 300 Cape Cod Canal
Middle +2 21 +2 00 +1 26 +0 41 0.6 0.5 167 339 Cape Cod Canal
North end +2 42 +2 06 +1 44 +0 23 0.5 0.6 165 002 Cape Cod Canal
Canapitsit Channel +2 03 +2 27 +1 02 +0 26 0.6 0.4 156 312 Cape Cod Canal
Westport River entrance +0 09 -0 05 -0 26 -1 13 1.1 1.5 290 108 Pollock Rip Channel
BUZZARDS BAY #7
Minimum Minimum Speed Direction
Before Flood Before Ebb Ratio At Maximum
Station Depth Flood Ebb Flood Ebb Flood Ebb Reference Station
Ribbon Reef-Sow & Pigs Reef, between -0 19 -1 31 -2 44 -1 54 0.4 0.7 062 237 Pollock Rip Channel
Penikese Island, 0.8 mile northwest of -1 37 -0 25 -0 55 -0 57 0.6 0.6 050 254 Pollock Rip Channel
Penikese Island, 0.2 mile south of -1 43 -0 15 -1 30 -2 39 0.4 0.5 093 287 Pollock Rip Channel
Gull I. and Nashawena I., between -2 15 -0 57 -2 01 -2 41 0.5 0.6 091 247 Pollock Rip Channel
Weepecket Island, south of -3 16 -1 07 -1 28 -2 27 0.4 0.4 069 255 Pollock Rip Channel
Quamquisset Harbor entrance Current weak and variable Pollock Rip Channel
West Falmouth Harbor entrance Current weak and variable Pollock Rip Channel
Megansett Harbor Current weak and variable Pollock Rip Channel
Abiels Ledge, 0.4 mile south of +0 26 -0 36 -0 06 -0 23 0.4 0.6 035 216 Pollock Rip Channel
Dumpling Rocks, 0.2 mile southeast of -1 43 -1 03 -1 32 -2 09 0.4 0.6 066 190 Pollock Rip Channel
Apponaganset Bay Current weak and variable Pollock Rip Channel
Clarks Cove Current weak and variable Pollock Rip Channel
New Bedford Harbor and approaches Current weak and variable Pollock Rip Channel
West Island and Long Island, between Current weak and variable Pollock Rip Channel
West Island, 1 mile southeast of 6 -0 43 -0 43 -1 28 -1 42 0.4 0.5 079 203
Nasketucket Bay Current weak and variable Pollock Rip Channel
Mattapoisett Harbor Current weak and variable Pollock Rip Channel
Sippican Harbor Current weak and variable Pollock Rip Channel
Wareham River, off Long Beach Point -1 41 -0 31 -1 22 -1 23 0.3 0.4 022 202 Pollock Rip Channel
Wareham River, off Barneys Point -1 49 -0 27 -1 22 -1 31 0.4 0.4 010 185 Pollock Rip Channel
Onset Bay, south of Onset Island Current weak and variable Cape Cod Canal
Onset Bay, south of Wickets Island Current weak and variable Cape Cod Canal
CAPE COD CANAL
Minimum Minimum Speed Direction
Before Flood Before Ebb Ratio At Maximum
Station Depth Flood Ebb Flood Ebb Flood Ebb Reference Station
CAPE COD CANAL, railroad bridge Daily predictions 070 250 Cape Cod Canal
Bourne Highway bridge -0 03 -0 01 -0 03 -0 04 0.8 0.9 065 245 Cape Cod Canal
Bournedale -0 07 -0 03 -0 09 -0 10 0.8 0.8 030 210 Cape Cod Canal
Sagamore Bridge -0 09 -0 04 -0 11 -0 13 0.7 0.6 095 275 Cape Cod Canal
Cape Cod Canal, east end 15 -0 13 -0 06 -0 17 -0 19 0.6 0.6 065 245 Cape Cod Canal