Surf Forecasts:
How big are the waves at Green Harbor today (23 Sep):
- Morning surf: Morning surf (23 Sep, local time) - 6ft (1.8m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (23 Sep, local time) - 7ft (2.2m), 7s period with ENE swell.
- Evening surf: Evening surf (23 Sep, local time) - 7ft (2.1m), 8s period with ENE swell.
The current surf forecast for Green Harbor at 3PM is: 2.2m 7s primary swell from a East-northeast direction (forecast issued at 07:00am September 23). An open ocean swell of 0.2m 10s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Sep) | 6ft (1.8m) | 7s |
| Afternoon (23 Sep) | 7ft (2.2m) | 7s |
| Evening (23 Sep) | 7ft (2.1m) | 8s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 19mm), heaviest on Fri night. Very mild (max 14°C on Wed morning, min 12°C on Fri afternoon). Winds increasing (moderate winds from the ENE on Wed night, near gales from the NNE by Fri night). | |||||||||||||||||||||||
Wednesday 23 | Thursday 24 | Friday 25 | |||||||||||||||||||||
5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 11 | ENE 11 | ENE 11 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 11 | ENE 11 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 200 | 245 | 350 | 444 | 540 | 534 | 547 | 603 | 646 | 808 | 863 | 1021 | 999 | 1082 | 1121 | 1347 | 1768 | 2281 | 2783 | 3191 | 3270 | 3613 | 4366 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 9:46AM2.46m | 10:00PM2.75m | 10:28AM2.59m | 10:43PM2.82m | 11:06AM2.73m | ||||||||||||||||||
Low Tide | 3:30AM0.39m | 3:41PM0.50m | 4:14AM0.31m | 4:27PM0.37m | 4:54AM0.23m | 5:10PM0.22m | |||||||||||||||||
 |  | | | |  | | | | | | | | | |  | |  | |  | |  | | |
 | 6:30 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — |
 | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:35 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 3 |
Temp °C | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 13 |
Feels °C | 9 | 8 | 7 | 7 | 6 | 7 | 8 | 7 | 7 | 7 | 6 | 7 | 7 | 7 | 9 | 8 | 6 | 5 | 5 | 5 | 1 | 2 | 3 |
Swell 1 Height (m) Direction Period (s) | — | S 10 | SE 10 | SE 10 | SSE 11 | SSE 11 | S 12 | S 12 | S 12 | S 12 | S 12 | S 13 | S 13 | S 13 | S 13 | S 13 | S 14 | S 14 | S 14 | S 14 | S 14 | SSE 13 | SE 13 |
| kJ | — | 2 | 4 | 4 | 11 | 12 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 13 | 13 | 14 | 15 | 14 | 15 | 15 | 4 | 17 | 7 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 11 | ENE 11 | ENE 11 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 11 | ENE 11 |
| kJ | 200 | 245 | 350 | 444 | 540 | 534 | 547 | 603 | 646 | 808 | 863 | 1021 | 999 | 1082 | 1121 | 1347 | 1768 | 2281 | 2783 | 3191 | 3270 | 3613 | 4366 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 526 | 529 | 1948 | 2661 | 945 | 945 | 649 | 83 | 83 | 647 | 571 | 888 | 959 | 529 | 49 | 131 | 888 | 945 | 1118 | 945 | 945 | 463 | 564 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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