Surf Forecasts:
How big are the waves at Green Harbor today (13 Jul):
- Morning surf: Morning surf (13 Jul, local time) - 0.5ft (0.1m), 10s period with E swell.
- Afternoon surf: Afternoon surf (13 Jul, local time) - 1.5ft (0.5m), 3s period with S swell.
- Evening surf: Evening surf (13 Jul, local time) - 1.5ft (0.5m), 3s period with SSW swell.
The current surf forecast for Green Harbor at 1AM is: 0.2m 7s primary swell from a East direction and 0.2m 3s secondary swell from a East-northeast direction (forecast issued at 07:00pm July 12). The wind direction is predicted to be onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Jul) | 0.5ft (0.1m) | 10s |
| Afternoon (13 Jul) | 1.5ft (0.5m) | 3s |
| Evening (13 Jul) | 1.5ft (0.5m) | 3s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 32°C on Tue afternoon, min 20°C on Sun night). Winds decreasing (fresh winds from the SW on Tue night, light winds from the NNW by Wed afternoon). | ||||||||||||||||||||||||
Sun 12 | Monday 13 | Tuesday 14 | Wed 15 | |||||||||||||||||||||
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 7 | E 7 | E 7 | E 7 | E 7 | E 10 | E 10 | S 3 | S 3 | SSW 3 | SSW 3 | SW 3 | WSW 3 | SW 3 | SW 3 | SW 3 | SSW 3 | SW 4 | SW 3 | SW 3 | WSW 3 | W 3 | NW 3 | E 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 4 | 4 | 4 | 4 | 4 | 2 | 2 | 4 | 7 | 6 | 7 | 7 | 7 | 5 | 5 | 5 | 7 | 12 | 4 | 2 | 3 | 2 | 2 | 5 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-on | on | on | on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-off | cross-off |
High Tide | 10:14PM3.33m | 10:56AM2.76m | 11:11PM3.43m | 11:51AM2.85m | 00:05AM3.48m | 12:44PM2.94m | ||||||||||||||||||
Low Tide | 3:53PM0.21m | 4:43AM-0.22m | 4:50PM0.12m | 5:38AM-0.30m | 5:46PM0.03m | 6:31AM-0.35m | ||||||||||||||||||
 | |  | | | | | |  |  |  | | | | | | | | | | | | | | |
 | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:18 | — | — | — |
 | — | 8:17 | — | — | — | — | — | — | — | 8:17 | — | — | — | — | — | — | — | 8:16 | — | — | — | — | — | 8:15 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 22 | 21 | 20 | 20 | 20 | 25 | 26 | 23 | 21 | 21 | 20 | 20 | 22 | 27 | 32 | 32 | 25 | 24 | 24 | 26 | 27 | 30 | 29 |
Feels °C | 20 | 19 | 19 | 18 | 18 | 19 | 23 | 22 | 19 | 16 | 17 | 15 | 17 | 19 | 25 | 29 | 29 | 22 | 22 | 23 | 27 | 27 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | NE 3 | NE 3 | ENE 3 | — | — | E 7 | E 10 | E 10 | 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 |
| kJ | 2 | 2 | 1 | — | — | 1 | 2 | 2 | 2 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Swell 2 Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 7 | E 7 | E 10 | E 7 | E 7 | E 7 | E 10 | E 8 | E 8 | E 7 | E 8 | E 8 | SE 5 | SE 6 | E 7 | SE 6 | SE 5 | SE 5 | SE 5 | SE 5 | SE 5 |
| kJ | 4 | 4 | 4 | 4 | 4 | 2 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | E 10 | — | — | — | E 8 | S 10 | — | — | — | S 5 | S 5 | E 7 | E 7 | — | E 8 | — | — | S 6 | — | E 16 |
| kJ | 2 | 2 | 2 | 2 | 2 | — | — | — | 1 | 2 | — | — | — | 1 | 1 | 1 | 1 | — | 1 | — | — | 1 | — | 5 |
Wind waves Height (m) Direction Period (s) | NNE 3 | — | — | — | — | — | — | S 3 | S 3 | SSW 3 | SSW 3 | SW 3 | WSW 3 | SW 3 | SW 3 | SW 3 | SSW 3 | SW 4 | SW 3 | SW 3 | WSW 3 | W 3 | NW 3 | NNW 4 |
| kJ | 2 | — | — | — | — | — | — | 4 | 7 | 6 | 7 | 7 | 7 | 5 | 5 | 5 | 7 | 12 | 4 | 2 | 3 | 2 | 2 | 7 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 649 | 649 | 959 | 1228 | 381 | 649 | 977 | 973 | 977 | 81 | 97 | 973 | 194 | 194 | 1118 | 1205 | 346 | 973 | 91 | 794 | 99 | 99 | 102 | 102 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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