Surf Forecasts:
How big are the waves at Green Harbor today (14 Jul):
- Morning surf: Morning surf (14 Jul, local time) - 1.5ft (0.4m), 3s period with WSW swell.
- Afternoon surf: Afternoon surf (14 Jul, local time) - 1.5ft (0.4m), 3s period with SW swell.
- Evening surf: Evening surf (14 Jul, local time) - 2.5ft (0.8m), 4s period with SSW swell.
The current surf forecast for Green Harbor at 2AM is: 0.6m 3s primary swell from a Southwest direction and 0.1m 10s secondary swell from a East direction, 0.1m 8s secondary swell from a East direction (forecast issued at 07:00pm July 13). The wind direction is predicted to be onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Jul) | 1.5ft (0.4m) | 3s |
| Afternoon (14 Jul) | 1.5ft (0.4m) | 3s |
| Evening (14 Jul) | 2.5ft (0.8m) | 4s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Mon night. Warm (max 33°C on Tue afternoon, min 20°C on Mon night). Winds decreasing (fresh winds from the SSW on Mon night, calm by Wed afternoon). | ||||||||||||||||||||||||
Mon 13 | Tuesday 14 | Wednesday 15 | Thu 16 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | E 10 | SSW 3 | SW 3 | SW 3 | SW 3 | SW 3 | SW 3 | SW 3 | SSW 3 | SSW 4 | SW 3 | SW 3 | WSW 3 | W 3 | E 17 | E 16 | S 4 | E 9 | E 9 | E 16 | E 9 | E 15 | E 9 | E 15 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 7 | 6 | 5 | 6 | 5 | 5 | 2 | 3 | 5 | 14 | 5 | 3 | 3 | 2 | 5 | 5 | 3 | 2 | 2 | 5 | 2 | 4 | 2 | 4 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | cross | cross-off | glassy | cross-off | cross-on | cross-off | cross-on | cross-on | cross | cross-off | cross-off |
High Tide | 11:11PM3.43m | 11:51AM2.85m | 00:05AM3.48m | 12:44PM2.94m | 00:59AM3.48m | 1:36PM3.00m | ||||||||||||||||||
Low Tide | 4:50PM0.12m | 5:38AM-0.30m | 5:46PM0.03m | 6:31AM-0.35m | 6:40PM-0.04m | 7:22AM-0.36m | ||||||||||||||||||
 | |  |  |  |  |  | | | | | | | | | | | |  | | | | | | |
 | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:20 | — | — | — |
 | — | 8:17 | — | — | — | — | — | — | — | 8:16 | — | — | — | — | — | — | — | 8:15 | — | — | — | — | — | 8:15 |
mm | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 21 | 21 | 20 | 20 | 22 | 29 | 32 | 33 | 27 | 25 | 25 | 25 | 26 | 27 | 30 | 30 | 27 | 27 | 25 | 23 | 24 | 27 | 28 |
Feels °C | 21 | 17 | 17 | 16 | 17 | 19 | 27 | 30 | 31 | 25 | 24 | 24 | 25 | 25 | 28 | 32 | 30 | 28 | 26 | 23 | 20 | 21 | 26 | 27 |
Swell 1 Height (m) Direction Period (s) | E 10 | E 8 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | N 3 | — | — | E 9 | N 3 | N 3 | N 3 | N 4 |
| kJ | 7 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | — | — | 2 | 1 | 1 | 1 | 1 |
Swell 2 Height (m) Direction Period (s) | E 7 | E 10 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | SE 6 | E 7 | SE 6 | SE 6 | SE 5 | SE 5 | SE 5 | S 5 | E 9 | E 9 | E 9 | SE 6 | E 9 | SE 9 | E 9 | E 9 |
| kJ | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 1 | 2 | 3 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | S 5 | S 5 | S 5 | E 7 | — | E 8 | E 8 | E 8 | — | E 17 | E 16 | SE 6 | — | — | E 16 | SE 5 | E 15 | SE 5 | E 15 |
| kJ | — | — | — | — | — | 1 | 1 | 1 | 1 | — | 1 | 1 | 1 | — | 5 | 5 | 1 | — | — | 5 | 1 | 4 | 1 | 4 |
Wind waves Height (m) Direction Period (s) | S 3 | SSW 3 | SW 3 | SW 3 | SW 3 | SW 3 | SW 3 | SW 3 | SSW 3 | SSW 4 | SW 3 | SW 3 | WSW 3 | W 3 | NW 3 | NNW 3 | S 4 | — | — | N 3 | NNW 3 | NNW 3 | — | — |
| kJ | 7 | 6 | 5 | 6 | 5 | 5 | 2 | 3 | 5 | 14 | 5 | 3 | 3 | 2 | 2 | 2 | 3 | — | — | 1 | 2 | 2 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1820 | 543 | 543 | 977 | 194 | 194 | 611 | 1118 | 1245 | 991 | 977 | 91 | 102 | 99 | 72 | 72 | 98 | 102 | 151 | 96 | 151 | 174 | 151 | 238 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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