Surf Forecasts:
How big are the waves at Green Harbor today (14 Aug):
- Morning surf: Morning surf (14 Aug, local time) - 0.5ft (0.1m), 13s period with E swell.
- Afternoon surf: Afternoon surf (14 Aug, local time) - 1ft (0.3m), 4s period with N swell.
- Evening surf: Evening surf (14 Aug, local time) - 0.5ft (0.1m), 13s period with E swell.
The current surf forecast for Green Harbor at 2PM is: 0.4m 4s primary swell from a North direction and 0.1m 10s secondary swell from a East direction (forecast issued at 07:00am August 14). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Aug) | 0.5ft (0.1m) | 13s |
| Afternoon (14 Aug) | 1ft (0.3m) | 4s |
| Evening (14 Aug) | 0.5ft (0.1m) | 13s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sun night. Warm (max 26°C on Sun afternoon, min 19°C on Fri night). Winds increasing (light winds from the N on Sat morning, fresh winds from the S by Sun afternoon). | |||||||||||||||||||||||
Friday 14 | Saturday 15 | Sunday 16 | |||||||||||||||||||||
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) | E 13 | E 13 | E 13 | N 4 | E 13 | E 13 | E 9 | E 12 | NNE 4 | NNE 4 | NE 4 | E 12 | E 12 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | SSE 3 | SSE 3 | SSE 3 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 3 | 3 | 3 | 5 | 3 | 3 | 2 | 3 | 5 | 6 | 4 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-off | cross-off | cross-on | cross-on | cross | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | on | cross-on | cross-off | cross-on | cross-on | cross-on | cross-on |
High Tide | 1:15PM3.07m | 1:34AM3.27m | 2:01PM3.10m | 2:22AM3.14m | 2:47PM3.08m | ||||||||||||||||||
Low Tide | 7:01AM-0.26m | 7:17PM-0.11m | 7:47AM-0.20m | 8:07PM-0.09m | 8:32AM-0.09m | 8:56PM-0.03m | |||||||||||||||||
 |  | |  | |  | | | | | | |  | | | | | | | | |  | | |
 | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — |
 | — | — | — | — | 7:45 | — | — | — | — | — | — | — | 7:43 | — | — | — | — | — | — | — | 7:42 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 21 | 24 | 24 | 24 | 23 | 22 | 21 | 19 | 19 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 19 | 23 | 26 | 25 | 22 | 21 |
Feels °C | 19 | 19 | 22 | 22 | 21 | 21 | 20 | 19 | 17 | 18 | 20 | 18 | 18 | 19 | 19 | 19 | 20 | 19 | 23 | 23 | 21 | 19 | 19 |
Swell 1 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | N 4 | N 4 | N 4 | — | E 9 | NNE 4 | NNE 4 | NE 4 | E 9 | NNE 4 | NNE 4 | NE 4 | NE 4 | E 9 | E 9 | — | — | — | E 9 | E 9 |
| kJ | 2 | 2 | 2 | 5 | 3 | 1 | — | 2 | 5 | 6 | 4 | 2 | 1 | 1 | 1 | 1 | 2 | 2 | — | — | — | 2 | 2 |
Swell 2 Height (m) Direction Period (s) | E 13 | E 13 | E 13 | E 10 | E 10 | E 10 | E 9 | — | E 9 | E 9 | E 9 | E 12 | E 9 | E 9 | E 9 | E 9 | — | — | E 9 | E 9 | E 9 | — | — |
| kJ | 3 | 3 | 3 | 2 | 2 | 2 | 2 | — | 2 | 2 | 2 | 3 | 2 | 2 | 2 | 2 | — | — | 2 | 2 | 2 | — | — |
Swell 3 Height (m) Direction Period (s) | E 7 | — | — | E 13 | E 13 | E 13 | — | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | — | — | — | — | — | — | — | E 11 | — | — |
| kJ | 1 | — | — | 3 | 3 | 3 | — | 3 | 3 | 3 | 3 | 3 | 3 | — | — | — | — | — | — | — | 2 | — | — |
Wind waves Height (m) Direction Period (s) | NNW 3 | NNW 3 | N 4 | — | — | SW 3 | WSW 3 | N 4 | — | N 4 | — | NE 4 | — | — | — | — | — | — | — | — | SSE 3 | SSE 3 | SSE 3 |
| kJ | 1 | 2 | 5 | — | — | 2 | 1 | 2 | — | 8 | — | 4 | — | — | — | — | — | — | — | — | 3 | 3 | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 649 | 2482 | 2656 | 945 | 649 | 3518 | 649 | 1042 | 832 | 878 | 973 | 3505 | 3503 | 2481 | 2659 | 1162 | 1042 | 1074 | 1671 | 1204 | 1671 | 735 | 735 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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