Surf Forecasts:
How big are the waves at Green Harbor today (30 Oct):
- Morning surf: Morning surf (30 Oct, local time) - 1.5ft (0.4m), 3s period with SW swell.
- Afternoon surf: Afternoon surf (30 Oct, local time) - 0.5ft (0.1m), 7s period with SE swell.
- Evening surf: Evening surf (30 Oct, local time) - 0.5ft (0.1m), 15s period with E swell.
The current surf forecast for Green Harbor at 11AM is: 0.1m 7s primary swell from a East direction and 0.3m 2s secondary swell from a West-southwest direction (forecast issued at 07:00am October 30). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Oct) | 1.5ft (0.4m) | 3s |
| Afternoon (30 Oct) | 0.5ft (0.1m) | 7s |
| Evening (30 Oct) | 0.5ft (0.1m) | 15s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 20°C on Fri afternoon, min 6°C on Sat morning). Winds decreasing (fresh winds from the NW on Fri night, calm by Sat afternoon). | |||||||||||||||||||||||
Friday 30 | Saturday 31 | Sunday 1 | |||||||||||||||||||||
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 | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SW 3 | SW 3 | E 7 | E 7 | NW 3 | SE 8 | E 8 | E 8 | E 14 | E 10 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NE 7 | NE 6 | NNE 6 | NE 5 | NE 5 | NE 5 | NE 5 | NE 5 | E 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 3 | 2 | 1 | 2 | 5 | 3 | 1 | 1 | 4 | 2 | 134 | 107 | 71 | 27 | 44 | 34 | 24 | 14 | 7 | 6 | 4 | 3 | 1 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | glassy | glassy | cross | cross | cross | cross | cross-on | cross-on | on | on | on |
High Tide | 2:48AM2.83m | 3:01PM3.31m | 3:44AM2.77m | 4:00PM3.22m | 4:45AM2.72m | 5:04PM3.11m | |||||||||||||||||
Low Tide | 8:45AM0.14m | 9:30PM-0.22m | 9:42AM0.20m | 10:29PM-0.12m | 10:45AM0.25m | ||||||||||||||||||
 |  |  | | | | | | | | | | | | | | | | | | | | | |
 | 7:11 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | — | — | — | — | 5:38 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | 4:37 | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 18 | 20 | 17 | 12 | 11 | 9 | 7 | 6 | 6 | 8 | 10 | 9 | 9 | 8 | 7 | 6 | 8 | 12 | 14 | 13 | 12 |
Feels °C | 10 | 11 | 15 | 15 | 11 | 4 | 3 | 1 | -1 | -2 | -1 | 3 | 7 | 6 | 5 | 4 | 2 | 1 | 4 | 8 | 10 | 8 | 7 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 7 | E 7 | E 7 | SE 8 | SE 8 | E 8 | E 8 | E 10 | E 10 | SE 8 | SE 9 | NNE 6 | NNE 6 | NE 7 | NE 6 | NNE 6 | NE 5 | NE 5 | NE 5 | NE 5 | NE 5 | NE 4 |
| kJ | 1 | 1 | 1 | 1 | 3 | 3 | 1 | 1 | 2 | 2 | 2 | 3 | 71 | 27 | 44 | 34 | 24 | 14 | 7 | 6 | 4 | 3 | 1 |
Swell 2 Height (m) Direction Period (s) | — | S 7 | E 7 | SE 7 | — | — | — | — | E 14 | — | — | — | E 9 | NE 7 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 |
| kJ | — | 1 | 1 | 2 | — | — | — | — | 4 | — | — | — | 2 | 12 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | E 8 | — | — | — | — | E 8 | E 9 | S 9 | S 9 | S 8 | S 8 | S 8 | S 8 | S 8 | — | — |
| kJ | — | — | — | — | — | — | — | 1 | — | — | — | — | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | — | — |
Wind waves Height (m) Direction Period (s) | SW 3 | SW 3 | WSW 2 | WNW 2 | NW 3 | NNW 4 | NNW 5 | N 6 | N 6 | N 6 | NNE 6 | NNE 6 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | 2 | 1 | 1 | 5 | 20 | 61 | 89 | 89 | 104 | 134 | 107 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 555 | 131 | 85 | 208 | 524 | 973 | 888 | 649 | 649 | 649 | 1205 | 0 | 2 | 52 | 52 | 381 | 174 | 973 | 2480 | 1894 | 2492 | 526 | 2477 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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