Surf Forecasts:
How big are the waves at Green Harbor today (30 Aug):
- Morning surf: Morning surf (30 Aug, local time) - 0.5ft (0.2m), 8s period with ESE swell.
- Afternoon surf: Afternoon surf (30 Aug, local time) - 0.5ft (0.2m), 5s period with E swell.
- Evening surf: Evening surf (30 Aug, local time) - 1.5ft (0.4m), 3s period with SSW swell.
The current surf forecast for Green Harbor at 9PM is: 0.1m 9s primary swell from a Southeast direction and 0.1m 5s secondary swell from a East direction, 0.4m 3s secondary swell from a South-southwest direction (forecast issued at 01:00pm August 30). The wind direction is predicted to be onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Aug) | 0.5ft (0.2m) | 8s |
| Afternoon (30 Aug) | 0.5ft (0.2m) | 5s |
| Evening (30 Aug) | 1.5ft (0.4m) | 3s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 13mm), heaviest on Tue morning. Warm (max 28°C on Sun afternoon, min 18°C on Tue morning). Wind will be generally light. | |||||||||||||||||||||
Sun 30 | Monday 31 | Tuesday 1 | |||||||||||||||||||
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) | ESE 8 | E 5 | E 9 | SSW 3 | E 9 | SE 9 | SE 8 | E 8 | SE 9 | SE 9 | SE 9 | SE 9 | E 9 | E 8 | E 8 | SSE 3 | E 14 | E 13 | E 13 | E 13 | E 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 7 | 3 | 3 | 3 | 1 | 3 | 3 | 1 | 3 | 3 | 3 | 3 | 1 | 1 | 1 | 2 | 4 | 4 | 3 | 3 | 3 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | glassy | cross-off | cross-off | cross | cross | cross-off | cross-off |
High Tide | 1:32PM2.90m | 1:51AM2.92m | 2:11PM2.99m | 2:35AM2.88m | 2:53PM3.04m | ||||||||||||||||
Low Tide | 7:41PM0.08m | 8:00AM0.10m | 8:25PM0.02m | 8:42AM0.13m | 9:12PM-0.01m | ||||||||||||||||
 | |  |  |  |  |  | |  | | | |  | | |  |  | | | | | |
 | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | — | — | 7:20 | — | — | — | — | — | — | — | 7:17 | — | — | — | — | — | — | — | 7:16 | — | — |
mm | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | 1 | 3 | 2 | 5 | — | — | — | — |
Temp °C | 25 | 28 | 28 | 22 | 20 | 20 | 19 | 19 | 20 | 21 | 21 | 21 | 20 | 20 | 19 | 19 | 18 | 18 | 19 | 19 | 19 |
Feels °C | 22 | 25 | 24 | 21 | 19 | 19 | 18 | 19 | 19 | 19 | 18 | 20 | 19 | 21 | 21 | 20 | 17 | 16 | 18 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | E 6 | E 5 | SE 8 | SE 9 | E 9 | SE 9 | SE 8 | E 8 | SE 9 | SE 9 | — | NE 3 | NE 4 | NE 4 | NE 4 | E 8 | E 8 | E 10 | E 10 | E 10 | E 12 |
| kJ | 2 | 2 | 3 | 3 | 1 | 3 | 3 | 1 | 3 | 3 | — | 2 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 |
Swell 2 Height (m) Direction Period (s) | ESE 8 | SE 8 | E 5 | E 5 | E 5 | E 8 | — | — | S 5 | S 5 | SE 9 | SE 9 | E 9 | E 8 | E 8 | — | — | E 13 | E 13 | E 13 | E 10 |
| kJ | 7 | 3 | 1 | 1 | 1 | 1 | — | — | 1 | 1 | 3 | 3 | 1 | 1 | 1 | — | — | 4 | 3 | 3 | 2 |
Swell 3 Height (m) Direction Period (s) | E 8 | E 9 | E 9 | — | E 8 | SSW 5 | — | — | — | E 8 | — | — | E 8 | — | S 7 | — | E 14 | — | E 13 | E 13 | S 12 |
| kJ | 1 | 2 | 1 | — | 1 | 2 | — | — | — | 1 | — | — | 1 | — | 1 | — | 4 | — | 3 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | SSW 2 | SSW 3 | SW 3 | — | — | N 3 | N 3 | NNE 3 | — | SE 2 | SSE 3 | — | — | SSE 3 | ESE 2 | SE 3 | SE 4 | SE 4 | SE 4 |
| kJ | — | — | 1 | 3 | 1 | — | — | 1 | 1 | 1 | — | 1 | 1 | — | — | 2 | 1 | 1 | 3 | 4 | 4 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 977 | 2718 | 1936 | 2481 | 151 | 174 | 832 | 650 | 1799 | 524 | 515 | 1204 | 1204 | 832 | 832 | 832 | 832 | 872 | 551 | 1096 | 524 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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