Surf Forecasts:
How big are the waves at Green Harbor today (25 Sep):
- Morning surf: Morning surf (25 Sep, local time) - 8ft (2.5m), 11s period with ENE swell.
- Afternoon surf: Afternoon surf (25 Sep, local time) - 10ft (3.0m), 11s period with ENE swell.
- Evening surf: Evening surf (25 Sep, local time) - 11ft (3.5m), 11s period with ENE swell.
The current surf forecast for Green Harbor at 12AM is: 2.1m 11s primary swell from a East direction (forecast issued at 07:00pm September 24). An open ocean swell of 0.2m 13s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Sep) | 8ft (2.5m) | 11s |
| Afternoon (25 Sep) | 10ft (3.0m) | 11s |
| Evening (25 Sep) | 11ft (3.5m) | 11s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 66mm), heaviest during Fri night. Very mild (max 16°C on Sun morning, min 12°C on Fri night). Winds increasing (moderate winds from the NE on Thu night, near gales from the NE by Sat night). | |||||||||||||||||||
Thu 24 | Friday 25 | Saturday 26 | |||||||||||||||||
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 10 | ENE 10 | E 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | NE 10 | NE 10 | NE 10 |
Wave Graph  | |||||||||||||||||||
 kJ | 951 | 1007 | 1007 | 1143 | 1340 | 1510 | 1862 | 2091 | 2396 | 2728 | 3287 | 3195 | 3839 | 4159 | 3460 | 3371 | 3790 | 4172 | 3262 |
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 |
High Tide | 10:43PM2.82m | 11:06AM2.73m | 11:24PM2.88m | 11:43AM2.88m | |||||||||||||||
Low Tide | 4:27PM0.37m | 4:54AM0.23m | 5:10PM0.22m | 5:32AM0.17m | 5:51PM0.08m | ||||||||||||||
 |  | |  | |  | | |  |  |  | | | | | |  | | | |
 | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — |
 | 6:37 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:32 | — | — |
mm | — | — | — | — | — | — | — | — | 3 | 4 | 9 | 1 | 1 | 3 | 4 | 4 | 8 | 3 | 9 |
Temp °C | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 13 | 13 | 12 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 |
Feels °C | 7 | 7 | 8 | 7 | 8 | 7 | 7 | 7 | 5 | 5 | 2 | 3 | 4 | 4 | 4 | 4 | 5 | 5 | 4 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 14 | S 13 | S 13 | S 13 | S 13 | SSE 13 | S 12 | S 11 | S 11 | S 10 | S 9 | S 9 | S 9 |
| kJ | 13 | 13 | 13 | 3 | 14 | 14 | 14 | 14 | 3 | 3 | 4 | 16 | 11 | 10 | 21 | 8 | 15 | 25 | 14 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | SE 12 | — | — | — | SE 9 | — | ESE 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 6 | — | — | — | 3 | — | 7 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 10 | ENE 10 | E 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | NE 10 | NE 10 | NE 10 |
| kJ | 951 | 1007 | 1007 | 1143 | 1340 | 1510 | 1862 | 2091 | 2396 | 2728 | 3287 | 3195 | 3839 | 4159 | 3460 | 3371 | 3790 | 4172 | 3262 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 60 | 60 | 60 | 131 | 647 | 888 | 945 | 1118 | 945 | 649 | 945 | 671 | 976 | 976 | 976 | 976 | 959 | 959 | 945 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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