Surf Forecasts:
How big are the waves at Green Harbor today (11 Nov):
- Morning surf: Morning surf (11 Nov, local time) - 1ft (0.3m), 10s period with E swell.
- Afternoon surf: Afternoon surf (11 Nov, local time) - 0.5ft (0.2m), 10s period with E swell.
- Evening surf: Evening surf (11 Nov, local time) - 0.5ft (0.2m), 9s period with E swell.
The current surf forecast for Green Harbor at 5PM is: 0.2m 10s primary swell from a East direction and 0.3m 4s secondary swell from a North direction (forecast issued at 12:00pm November 11). The wind direction is predicted to be cross-onshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Nov) | 1ft (0.3m) | 10s |
| Afternoon (11 Nov) | 0.5ft (0.2m) | 10s |
| Evening (11 Nov) | 0.5ft (0.2m) | 9s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 42mm), heaviest during Thu night. Very mild (max 13°C on Wed afternoon, min 4°C on Fri night). Winds increasing (calm on Wed night, strong winds from the NNE by Thu night). | ||||||||||||||||||||||||
Wed 11 | Thursday 12 | Friday 13 | Sat 14 | |||||||||||||||||||||
10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 12 | E 4 | ENE 6 | ENE 7 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NNE 8 | NE 8 | NE 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 17 | 16 | 8 | 7 | 7 | 7 | 2 | 6 | 6 | 6 | 3 | 0 | 0 | 493 | 902 | 1225 | 1303 | 1221 | 1140 | 1035 | 819 | 732 | 634 | 547 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross-on | cross-on | cross-on | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 12:16PM2.92m | 00:51AM2.52m | 12:55PM2.85m | 1:31AM2.46m | 1:36PM2.78m | 2:14AM2.40m | ||||||||||||||||||
Low Tide | 6:37PM0.11m | 6:42AM0.50m | 7:17PM0.18m | 7:23AM0.55m | 8:00PM0.25m | |||||||||||||||||||
 | |  |  | | |  |  | | | |  |  | | |  | | | | | | | | | |
 | 6:26 | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:30 | — |
 | — | — | 4:24 | — | — | — | — | — | — | — | 4:23 | — | — | — | — | — | — | — | 4:22 | — | — | — | — | 4:22 |
mm | — | — | — | — | — | — | — | — | — | — | — | 5 | 7 | 10 | 5 | 2 | 3 | 2 | 2 | 3 | 1 | 1 | — | 1 |
Temp °C | 11 | 12 | 13 | 11 | 11 | 10 | 10 | 10 | 11 | 12 | 11 | 10 | 9 | 9 | 9 | 9 | 7 | 6 | 5 | 5 | 5 | 4 | 4 | 4 |
Feels °C | 6 | 7 | 10 | 8 | 8 | 7 | 8 | 7 | 7 | 7 | 5 | 3 | 1 | 2 | -1 | -1 | -3 | -4 | -4 | -4 | -2 | -3 | -2 | -2 |
Swell 1 Height (m) Direction Period (s) | E 10 | NNW 4 | N 4 | N 4 | E 9 | NNE 5 | NE 4 | E 9 | NNE 3 | E 9 | E 12 | — | — | — | — | S 6 | SSE 6 | S 8 | S 8 | S 8 | SSE 9 | SE 10 | SE 10 | NE 8 |
| kJ | 17 | 6 | 4 | 1 | 7 | 2 | 1 | 6 | 1 | 6 | 3 | — | — | — | — | 2 | 4 | 4 | 5 | 5 | 8 | 15 | 4 | 547 |
Swell 2 Height (m) Direction Period (s) | — | E 10 | E 10 | E 10 | N 4 | E 9 | E 9 | NE 4 | E 9 | E 12 | — | — | — | — | — | — | — | — | — | SE 9 | SE 9 | S 9 | SSW 9 | SE 10 |
| kJ | — | 16 | 7 | 7 | 1 | 7 | 2 | 1 | 6 | 3 | — | — | — | — | — | — | — | — | — | 3 | 3 | 6 | 8 | 4 |
Swell 3 Height (m) Direction Period (s) | S 7 | S 7 | ENE 9 | E 8 | E 7 | NE 9 | E 9 | E 7 | E 7 | E 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 9 |
| kJ | 1 | 1 | 8 | 1 | 1 | 3 | 2 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 8 |
Wind waves Height (m) Direction Period (s) | NNW 4 | WNW 4 | — | — | — | — | — | — | — | ENE 2 | E 3 | E 4 | ENE 6 | ENE 7 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NNE 8 | NE 8 | NNW 5 |
| kJ | 8 | 3 | — | — | — | — | — | — | — | 1 | 7 | 36 | 188 | 493 | 902 | 1225 | 1303 | 1221 | 1140 | 1035 | 819 | 732 | 634 | 75 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 174 | 174 | 515 | 526 | 1626 | 1042 | 1671 | 1671 | 1808 | 395 | 298 | 337 | 312 | 276 | 276 | 275 | 375 | 272 | 127 | 125 | 85 | 55 | 55 | 39 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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