Surf Forecasts:
How big are the waves at Green Harbor today (16 Jul):
- Morning surf: Morning surf (16 Jul, local time) - 0.5ft (0.1m), 15s period with E swell.
- Afternoon surf: Afternoon surf (16 Jul, local time) - 0.5ft (0.1m), 15s period with E swell.
- Evening surf: Evening surf (16 Jul, local time) - 0.5ft (0.1m), 15s period with E swell.
The current surf forecast for Green Harbor at 9AM is: 0.1m 15s primary swell from a East direction and 0.2m 4s secondary swell from a North-northwest direction, 0.1m 9s secondary swell from a East direction (forecast issued at 01:00am July 16). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Jul) | 0.5ft (0.1m) | 15s |
| Afternoon (16 Jul) | 0.5ft (0.1m) | 15s |
| Evening (16 Jul) | 0.5ft (0.1m) | 15s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 31°C on Thu afternoon, min 20°C on Thu night). Winds increasing (light winds from the ENE on Fri afternoon, fresh winds from the SSW by Sat night). | ||||||||||||||||||||||||
Thursday 16 | Friday 17 | Saturday 18 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | N 4 | E 15 | E 15 | E 15 | E 15 | E 15 | E 15 | E 15 | E 15 | E 15 | E 15 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 13 | E 13 | S 3 | S 3 | S 4 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 3 | 5 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 8 | 11 | 12 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross | cross-on | cross-on | on | cross-on | on | cross-on | cross-on | on | on | on |
High Tide | 00:59AM3.48m | 1:36PM3.00m | 1:52AM3.41m | 2:27PM3.04m | 2:44AM3.28m | 3:17PM3.05m | ||||||||||||||||||
Low Tide | 7:22AM-0.36m | 7:34PM-0.06m | 8:12AM-0.31m | 8:28PM-0.05m | 9:01AM-0.22m | 9:22PM0.00m | ||||||||||||||||||
 | |  | | | |  | | | | | | | | | |  | |  | | | | |  | |
 | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:15 | — | — | — | — | — | — | — | 8:15 | — | — | — | — | — | — | — | 8:14 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 21 | 22 | 28 | 30 | 31 | 25 | 24 | 22 | 20 | 20 | 24 | 25 | 25 | 24 | 23 | 22 | 20 | 20 | 26 | 28 | 26 | 21 | 20 |
Feels °C | 19 | 18 | 19 | 25 | 26 | 26 | 22 | 22 | 19 | 16 | 15 | 20 | 22 | 21 | 21 | 21 | 20 | 17 | 18 | 25 | 24 | 23 | 18 | 16 |
Swell 1 Height (m) Direction Period (s) | N 4 | N 4 | NNW 4 | N 4 | — | E 9 | SE 5 | SE 5 | N 3 | N 3 | E 15 | E 14 | N 4 | N 4 | — | E 14 | — | E 14 | E 14 | E 13 | E 13 | E 13 | E 13 | E 13 |
| kJ | 3 | 3 | 1 | 1 | — | 2 | 1 | 1 | 2 | 1 | 4 | 4 | 1 | 1 | — | 4 | — | 4 | 4 | 4 | 4 | 3 | 3 | 3 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 9 | E 15 | E 9 | E 9 | ENE 3 | — | E 9 | E 9 | E 14 | E 14 | E 14 | E 8 | E 14 | E 8 | SE 8 | SE 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 2 | 2 | 2 | 2 | 2 | 4 | 2 | 2 | 1 | — | 1 | 2 | 4 | 4 | 4 | 1 | 4 | 1 | 3 | 3 | 1 | 1 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | S 5 | E 15 | E 15 | E 15 | E 15 | — | E 15 | E 15 | E 15 | E 15 | — | E 10 | E 9 | E 8 | E 8 | E 9 | E 8 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | — |
| kJ | 1 | 5 | 4 | 4 | 4 | — | 4 | 5 | 5 | 5 | — | 2 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — |
Wind waves Height (m) Direction Period (s) | — | WNW 2 | — | — | — | WNW 3 | NNW 3 | N 3 | — | — | N 3 | N 4 | — | — | SSE 3 | S 3 | — | — | — | S 4 | S 2 | S 3 | S 3 | S 4 |
| kJ | — | 1 | — | — | — | 1 | 7 | 4 | — | — | 2 | 2 | — | — | 2 | 1 | — | — | — | 1 | 2 | 8 | 11 | 12 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 174 | 174 | 174 | 959 | 1825 | 959 | 87 | 96 | 959 | 515 | 515 | 2480 | 515 | 551 | 515 | 959 | 1875 | 515 | 524 | 3518 | 2787 | 487 | 611 | 745 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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