Surf Forecasts:
How big are the waves at Green Harbor today (03 Aug):
- Morning surf: Morning surf (03 Aug, local time) - 2.5ft (0.8m), 5s period with SSE swell.
- Afternoon surf: Afternoon surf (03 Aug, local time) - 1.5ft (0.4m), 8s period with SE swell.
- Evening surf: Evening surf (03 Aug, local time) - 1.5ft (0.4m), 8s period with SE swell.
The current surf forecast for Green Harbor at 3AM is: 0.4m 4s primary swell from a Southeast direction and 0.1m 9s secondary swell from a Southeast direction, 0.1m 9s secondary swell from a East direction (forecast issued at 07:00pm August 02). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 Aug) | 2.5ft (0.8m) | 5s |
| Afternoon (03 Aug) | 1.5ft (0.4m) | 8s |
| Evening (03 Aug) | 1.5ft (0.4m) | 8s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 28mm), heaviest during Mon afternoon. Warm (max 29°C on Tue afternoon, min 19°C on Mon night). Winds decreasing (strong winds from the SSW on Mon afternoon, light winds from the SSW by Wed morning). | |||||||||||||||||||
Sun 2 | Monday 3 | Tuesday 4 | |||||||||||||||||
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) | SSE 3 | SE 3 | SE 3 | SE 4 | SE 4 | SSE 5 | SSE 4 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | ESE 8 | ESE 8 | ESE 8 | S 3 | ESE 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 3 | 2 | 3 | 6 | 5 | 22 | 25 | 21 | 18 | 18 | 18 | 17 | 11 | 11 | 7 | 6 | 6 | 2 | 5 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on |
High Tide | 2:43PM2.76m | 2:59AM2.84m | 3:25PM2.84m | 3:45AM2.78m | 4:10PM2.90m | ||||||||||||||
Low Tide | 8:50PM0.24m | 9:13AM0.14m | 9:37PM0.20m | 9:56AM0.19m | 10:27PM0.17m | ||||||||||||||
 |  |  |  | |  |  | |  |  | |  | | | | | | | | |
 | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — |
 | — | 8:00 | — | — | — | — | — | — | 7:59 | — | — | — | — | — | — | — | 7:58 | — | — |
mm | — | — | — | — | — | 2 | 1 | 2 | 7 | 1 | 5 | — | — | — | — | — | — | — | — |
Temp °C | 26 | 24 | 23 | 23 | 23 | 23 | 25 | 24 | 23 | 23 | 21 | 19 | 19 | 20 | 25 | 29 | 29 | 24 | 24 |
Feels °C | 24 | 25 | 24 | 25 | 24 | 23 | 22 | 21 | 22 | 22 | 21 | 18 | 17 | 18 | 23 | 27 | 27 | 21 | 21 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | SE 9 | SE 9 | SE 4 | E 8 | E 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | ESE 8 | ESE 8 | ESE 8 | SE 7 | ESE 7 |
| kJ | 2 | 2 | 3 | 3 | 5 | 1 | 1 | 21 | 18 | 18 | 18 | 17 | 11 | 11 | 7 | 6 | 6 | 2 | 5 |
Swell 2 Height (m) Direction Period (s) | SE 6 | SE 6 | E 9 | E 9 | E 9 | E 9 | — | E 8 | E 8 | E 8 | SSW 4 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 8 | — |
| kJ | 2 | 2 | 2 | 2 | 2 | 1 | — | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | — |
Swell 3 Height (m) Direction Period (s) | E 5 | E 5 | — | E 9 | E 9 | — | — | — | — | — | — | SSW 8 | E 9 | E 8 | E 9 | — | — | E 9 | E 11 |
| kJ | 1 | 1 | — | 1 | 1 | — | — | — | — | — | — | 6 | 2 | 1 | 2 | — | — | 2 | 2 |
Wind waves Height (m) Direction Period (s) | SSE 3 | SE 3 | SE 3 | SE 4 | S 2 | SSE 5 | SSE 4 | S 4 | S 4 | SSW 4 | — | — | — | — | — | S 8 | — | S 3 | SW 2 |
| kJ | 3 | 2 | 2 | 6 | 1 | 22 | 25 | 18 | 18 | 12 | — | — | — | — | — | 30 | — | 2 | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1623 | 1658 | 341 | 1280 | 1287 | 124 | 1658 | 333 | 334 | 43 | 6 | 72 | 58 | 58 | 57 | 57 | 43 | 95 | 92 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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