Surf Forecasts:
How big are the waves at Green Harbor today (10 Nov):
- Morning surf: Morning surf (10 Nov, local time) - 1.5ft (0.4m), 11s period with E swell.
- Afternoon surf: Afternoon surf (10 Nov, local time) - 1.5ft (0.4m), 10s period with E swell.
- Evening surf: Evening surf (10 Nov, local time) - 1ft (0.3m), 11s period with ENE swell.
The current surf forecast for Green Harbor at 3PM is: 0.4m 10s primary swell from a East direction and 0.3m 3s secondary swell from a West-southwest direction (forecast issued at 12:00pm November 10). The wind direction is predicted to be cross-onshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Nov) | 1.5ft (0.4m) | 11s |
| Afternoon (10 Nov) | 1.5ft (0.4m) | 10s |
| Evening (10 Nov) | 1ft (0.3m) | 11s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 30mm), heaviest during Thu afternoon. Very mild (max 12°C on Tue morning, min 8°C on Tue night). Winds increasing (calm on Wed afternoon, fresh winds from the ESE by Thu afternoon). | ||||||||||||||||||||||||
Tue 10 | Wednesday 11 | Thursday 12 | Fri 13 | |||||||||||||||||||||
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 11 | E 11 | E 10 | E 10 | ENE 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 12 | E 12 | E 6 | E 6 | E 7 | E 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 36 | 35 | 34 | 33 | 22 | 18 | 17 | 17 | 17 | 16 | 8 | 7 | 7 | 3 | 2 | 6 | 6 | 6 | 3 | 3 | 0 | 228 | 278 | 289 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross | cross | glassy | glassy | cross-off | glassy | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 11:38AM2.99m | 00:13AM2.60m | 12:16PM2.92m | 00:51AM2.52m | 12:55PM2.85m | 1:31AM2.46m | ||||||||||||||||||
Low Tide | 5:58PM0.05m | 6:03AM0.43m | 6:37PM0.11m | 6:42AM0.50m | 7:17PM0.18m | |||||||||||||||||||
 |  |  |  | | | | | | | |  |  | | | | | |  |  |  | | | | |
 | 6:24 | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — |
 | — | — | 4:25 | — | — | — | — | — | — | — | 4:24 | — | — | — | — | — | — | — | 4:23 | — | — | — | — | 4:22 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 15 | 4 | 3 | 2 | 2 |
Temp °C | 9 | 12 | 12 | 11 | 11 | 10 | 9 | 8 | 10 | 12 | 12 | 10 | 10 | 10 | 10 | 10 | 11 | 12 | 11 | 11 | 11 | 11 | 11 | 11 |
Feels °C | 3 | 6 | 7 | 6 | 5 | 4 | 3 | 3 | 5 | 7 | 10 | 8 | 7 | 8 | 6 | 6 | 7 | 7 | 5 | 4 | 5 | 4 | 5 | 5 |
Swell 1 Height (m) Direction Period (s) | E 11 | E 11 | E 10 | E 10 | ENE 11 | E 10 | E 10 | E 10 | E 10 | E 10 | N 4 | N 4 | E 10 | E 10 | NNE 3 | NNE 3 | E 9 | E 9 | E 12 | E 12 | — | E 11 | E 11 | E 11 |
| kJ | 36 | 35 | 34 | 33 | 22 | 18 | 17 | 17 | 17 | 16 | 3 | 1 | 7 | 2 | 1 | 1 | 6 | 6 | 3 | 3 | — | 2 | 2 | 2 |
Swell 2 Height (m) Direction Period (s) | NNW 4 | NNW 4 | — | — | ESE 10 | S 6 | ENE 10 | ENE 10 | W 5 | — | E 10 | E 10 | N 4 | NE 9 | E 9 | E 9 | — | E 12 | — | — | — | — | — | — |
| kJ | 3 | 1 | — | — | 9 | 1 | 10 | 10 | 1 | — | 7 | 7 | 1 | 3 | 2 | 6 | — | 3 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | S 11 | S 11 | — | — | — | S 6 | S 5 | E 10 | E 10 | E 10 | ENE 9 | E 8 | E 9 | — | E 9 | E 7 | E 13 | — | — | — | — | — | — | — |
| kJ | 3 | 3 | — | — | — | 1 | 1 | 2 | 2 | 2 | 8 | 1 | 2 | — | 2 | 1 | 3 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 3 | WSW 3 | WSW 3 | WSW 2 | W 3 | WNW 3 | WNW 4 | NW 4 | NW 4 | NW 4 | — | — | — | NNE 3 | — | E 3 | ESE 3 | E 3 | E 4 | E 5 | E 6 | E 6 | E 7 | E 7 |
| kJ | 3 | 1 | 1 | 1 | 4 | 9 | 7 | 8 | 9 | 5 | — | — | — | 1 | — | 1 | 2 | 5 | 28 | 90 | 154 | 228 | 278 | 289 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 43 | 43 | 6 | 341 | 81 | 81 | 95 | 85 | 174 | 515 | 515 | 647 | 1626 | 655 | 655 | 656 | 656 | 281 | 109 | 102 | 102 | 102 | 102 | 106 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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