Surf Forecasts:
How big are the waves at Green Harbor today (19 Oct):
- Morning surf: Morning surf (19 Oct, local time) - 0.5ft (0.2m), 7s period with E swell.
- Afternoon surf: Afternoon surf (19 Oct, local time) - 1ft (0.3m), 9s period with E swell.
- Evening surf: Evening surf (19 Oct, local time) - 3.5ft (1.1m), 9s period with E swell.
The current surf forecast for Green Harbor at 2AM is: 0.3m 5s primary swell from a East direction and 0.1m 5s secondary swell from a Northeast direction (forecast issued at 07:00pm October 18). The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Oct) | 0.5ft (0.2m) | 7s |
| Afternoon (19 Oct) | 1ft (0.3m) | 9s |
| Evening (19 Oct) | 3.5ft (1.1m) | 9s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 12°C on Tue night, min 8°C on Sun night). Winds increasing (calm on Sun night, strong winds from the NE by Tue night). | |||||||||||||||||||
Sun 18 | Monday 19 | Tuesday 20 | |||||||||||||||||
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) | NE 5 | NE 5 | NE 5 | E 5 | ENE 5 | E 7 | E 10 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | ENE 10 | ENE 9 | ENE 9 | ENE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 11 | 8 | 3 | 4 | 7 | 4 | 8 | 15 | 104 | 166 | 262 | 318 | 392 | 450 | 500 | 913 | 784 | 791 | 698 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross | glassy | cross-off | off | off | cross-off | off | off | off | off | cross-off | off | off | off | off | off |
High Tide | 5:40PM2.56m | 6:24AM2.28m | 6:39PM2.54m | 7:21AM2.33m | 7:37PM2.56m | ||||||||||||||
Low Tide | 00:06AM0.49m | 12:21PM0.73m | 1:02AM0.49m | 1:19PM0.68m | |||||||||||||||
 |  | | | | | | | | |  |  | |  | | |  | | | |
 | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — |
 | 5:55 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 12 | 11 |
Feels °C | 5 | 4 | 5 | 6 | 7 | 6 | 5 | 4 | 5 | 4 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 6 | 3 |
Swell 1 Height (m) Direction Period (s) | NE 5 | NE 5 | NE 5 | E 5 | ENE 5 | E 7 | E 10 | E 9 | S 12 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | SE 12 | SE 9 | SE 9 |
| kJ | 11 | 8 | 3 | 4 | 7 | 4 | 8 | 15 | 3 | 166 | 262 | 318 | 392 | 450 | 500 | 600 | 6 | 3 | 3 |
Swell 2 Height (m) Direction Period (s) | NE 6 | NE 6 | E 7 | NE 5 | E 7 | E 10 | S 12 | SE 12 | SSE 12 | S 12 | S 12 | S 12 | S 12 | S 12 | — | — | — | S 12 | — |
| kJ | 2 | 1 | 1 | 1 | 4 | 2 | 3 | 5 | 13 | 3 | 3 | 3 | 3 | 3 | — | — | — | 3 | — |
Swell 3 Height (m) Direction Period (s) | E 11 | E 11 | E 10 | E 7 | E 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 2 | 2 | 2 | 3 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | E 5 | E 5 | — | E 5 | E 5 | E 5 | E 5 | E 9 | ENE 9 | NNE 4 | NNE 4 | NNE 4 | NNE 5 | NNE 6 | ENE 10 | ENE 9 | ENE 9 | ENE 8 |
| kJ | — | 2 | 4 | — | 10 | 7 | 12 | 18 | 104 | 124 | 7 | 13 | 28 | 74 | 114 | 913 | 784 | 791 | 698 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 174 | 888 | 888 | 504 | 127 | 276 | 106 | 106 | 83 | 0 | 0 | 0 | 49 | 55 | 529 | 197 | 60 | 132 | 529 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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