Surf Forecasts:
How big are the waves at Green Harbor today (15 Oct):
- Afternoon surf: Afternoon surf (15 Oct, local time) - 3.5ft (1.0m), 6s period with NNE swell.
- Evening surf: Evening surf (15 Oct, local time) - 2ft (0.6m), 5s period with NE swell.
The current surf forecast for Green Harbor at 10PM is: 0.6m 5s primary swell from a North-northeast direction and 0.1m 7s secondary swell from a East direction (forecast issued at 07:00pm October 15). The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Oct) | - | - |
| Afternoon (15 Oct) | 3.5ft (1.0m) | 6s |
| Evening (15 Oct) | 2ft (0.6m) | 5s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 16mm), heaviest on Fri afternoon. Very mild (max 19°C on Fri afternoon, min 6°C on Sat night). Winds increasing (light winds from the SE on Thu night, fresh winds from the NNW by Sat morning). | |||||||||||||||||||
Thu 15 | Friday 16 | Saturday 17 | |||||||||||||||||
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 6 | NE 6 | NE 5 | NE 5 | NE 4 | NE 5 | SSE 4 | SSE 4 | SE 6 | SE 6 | SE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | SE 9 | SE 9 | E 9 | NNE 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 80 | 32 | 12 | 7 | 3 | 4 | 16 | 20 | 11 | 9 | 14 | 11 | 12 | 6 | 7 | 3 | 3 | 2 | 350 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 3:06PM2.81m | 3:43AM2.44m | 3:53PM2.71m | 4:33AM2.35m | 4:44PM2.62m | ||||||||||||||
Low Tide | 9:29PM0.25m | 9:38AM0.60m | 10:17PM0.36m | 10:28AM0.68m | |||||||||||||||
 |  | |  |  |  |  |  | |  | | | | | |  | | | | |
 | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — |
 | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 5:58 | — | — |
mm | — | — | — | — | — | — | 1 | 8 | 1 | 1 | 1 | — | 1 | 2 | 1 | — | — | — | — |
Temp °C | 12 | 12 | 11 | 11 | 11 | 14 | 16 | 18 | 19 | 19 | 18 | 14 | 10 | 7 | 8 | 9 | 9 | 7 | 6 |
Feels °C | 9 | 9 | 7 | 7 | 6 | 8 | 11 | 15 | 16 | 17 | 18 | 8 | 3 | -1 | 1 | 2 | 0 | -2 | -3 |
Swell 1 Height (m) Direction Period (s) | NE 6 | NE 6 | NE 5 | NE 5 | NE 4 | NE 5 | NE 6 | E 9 | SE 6 | SE 6 | SE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | SE 9 | SE 9 | E 9 | S 7 |
| kJ | 80 | 32 | 12 | 7 | 3 | 3 | 1 | 6 | 11 | 9 | 14 | 11 | 12 | 6 | 7 | 3 | 3 | 2 | 1 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 7 | E 7 | E 7 | E 10 | E 9 | E 9 | NE 5 | E 9 | E 9 | S 4 | SSW 6 | SSW 7 | SSW 7 | S 7 | S 7 | S 7 | — | — |
| kJ | 2 | 4 | 1 | 1 | 2 | 2 | 6 | 1 | 6 | 6 | 1 | 13 | 9 | 5 | 4 | 4 | 4 | — | — |
Swell 3 Height (m) Direction Period (s) | E 14 | E 10 | E 10 | E 10 | NE 6 | E 7 | E 14 | — | — | — | E 9 | E 10 | E 10 | — | — | — | — | — | — |
| kJ | 4 | 2 | 2 | 2 | 2 | 1 | 4 | — | — | — | 2 | 2 | 2 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SSE 2 | SSE 3 | SSE 4 | SSE 4 | SSW 3 | SSW 3 | WSW 3 | WNW 3 | NW 4 | N 5 | N 5 | N 5 | NNE 6 | NNE 6 | NNE 7 |
| kJ | — | — | — | — | 1 | 4 | 16 | 20 | 8 | 8 | 2 | 1 | 10 | 54 | 62 | 82 | 90 | 104 | 350 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1205 | 1205 | 872 | 810 | 734 | 574 | 738 | 738 | 1198 | 6 | 81 | 395 | 131 | 131 | 94 | 515 | 515 | 101 | 81 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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