Surf Forecasts:
How big are the waves at Green Harbor today (31 Oct):
- Morning surf: Morning surf (31 Oct, local time) - 0.5ft (0.1m), 10s period with E swell.
- Afternoon surf: Afternoon surf (31 Oct, local time) - 3.5ft (1.1m), 6s period with NNE swell.
- Evening surf: Evening surf (31 Oct, local time) - 2.5ft (0.7m), 6s period with NNE swell.
The current surf forecast for Green Harbor at 12PM is: 1.2m 6s primary swell from a North direction and 0.1m 10s secondary swell from a East direction (forecast issued at 07:00am October 31). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Oct) | 0.5ft (0.1m) | 10s |
| Afternoon (31 Oct) | 3.5ft (1.1m) | 6s |
| Evening (31 Oct) | 2.5ft (0.7m) | 6s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Mon afternoon, min 6°C on Sat morning). Winds decreasing (fresh winds from the NW on Sat morning, calm by Sun afternoon). | |||||||||||||||||||||||
Saturday 31 | Sunday 1 | Monday 2 | |||||||||||||||||||||
5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 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 10 | E 10 | N 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 5 | NNE 5 | NNE 5 | N 5 | NNE 5 | NE 5 | NNE 4 | E 8 | E 8 | E 12 | ENE 11 | E 10 | E 10 | E 10 | E 9 | E 9 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 2 | 2 | 124 | 95 | 52 | 40 | 28 | 23 | 15 | 13 | 11 | 9 | 5 | 2 | 6 | 6 | 3 | 12 | 19 | 18 | 17 | 16 | 15 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | glassy | cross-on | on | cross-on | cross-on | cross-on | on | on | on | on | on |
High Tide | 3:44AM2.77m | 4:00PM3.22m | 4:45AM2.72m | 5:04PM3.11m | 5:50AM2.72m | 6:11PM3.01m | |||||||||||||||||
Low Tide | 9:42AM0.20m | 10:29PM-0.12m | 10:45AM0.25m | 11:30PM-0.03m | 11:51AM0.28m | ||||||||||||||||||
 |  | | | | | | | | | | | | | | | | | | |  | |  | |
 | 7:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — |
 | — | — | — | — | 5:37 | — | — | — | — | — | — | 4:37 | — | — | — | — | — | — | — | — | 5:35 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 8 | 6 | 7 | 9 | 11 | 11 | 9 | 8 | 7 | 6 | 8 | 12 | 13 | 14 | 13 | 13 | 13 | 14 | 14 | 18 | 17 | 16 | 14 |
Feels °C | -1 | -3 | -1 | 4 | 6 | 6 | 4 | 3 | 2 | 1 | 3 | 8 | 10 | 9 | 8 | 8 | 8 | 9 | 9 | 13 | 13 | 11 | 9 |
Swell 1 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | SE 9 | NNE 6 | NNE 6 | NNE 6 | NNE 5 | NNE 5 | NNE 5 | N 5 | NNE 5 | NE 5 | NNE 4 | NE 4 | E 8 | E 8 | ENE 11 | E 10 | E 10 | E 10 | E 9 | E 9 |
| kJ | 2 | 2 | 2 | 3 | 52 | 40 | 28 | 23 | 15 | 13 | 11 | 9 | 5 | 2 | 1 | 6 | 1 | 12 | 19 | 18 | 17 | 16 | 15 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | — | — | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | NE 4 | E 12 | E 8 | — | — | — | — | — |
| kJ | 1 | 1 | — | — | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 6 | 1 | 3 | 1 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | E 8 | S 9 | S 9 | S 9 | S 8 | S 8 | S 8 | S 8 | S 8 | — | — | E 12 | NE 4 | E 8 | — | SE 7 | — | — | — |
| kJ | — | — | — | — | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | — | — | 3 | 1 | 1 | — | 2 | — | — | — |
Wind waves Height (m) Direction Period (s) | N 6 | N 6 | N 6 | NNE 6 | — | — | NNE 6 | NNE 5 | N 5 | N 4 | NW 4 | — | — | — | — | W 2 | WSW 2 | WSW 2 | WSW 3 | WSW 2 | SW 2 | SW 2 | WSW 2 |
| kJ | 110 | 138 | 124 | 95 | — | — | 54 | 42 | 29 | 19 | 7 | — | — | — | — | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 649 | 1205 | 1206 | 381 | 56 | 56 | 381 | 554 | 1225 | 1225 | 2480 | 2480 | 1225 | 1225 | 2473 | 2473 | 515 | 1225 | 54 | 1894 | 649 | 515 | 524 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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