Surf Forecasts:
How big are the waves at Green Harbor today (22 Sep):
- Morning surf: Morning surf (22 Sep, local time) - 0.5ft (0.1m), 15s period with E swell.
- Afternoon surf: Afternoon surf (22 Sep, local time) - 0.5ft (0.1m), 14s period with E swell.
- Evening surf: Evening surf (22 Sep, local time) - 4.5ft (1.3m), 6s period with ENE swell.
The current surf forecast for Green Harbor at 4PM is: 0.1m 14s primary swell from a East direction (forecast issued at 07:00am September 22). An open ocean swell of 1.4m 6s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Sep) | 0.5ft (0.1m) | 15s |
| Afternoon (22 Sep) | 0.5ft (0.1m) | 14s |
| Evening (22 Sep) | 4.5ft (1.3m) | 6s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 16°C on Tue morning, min 13°C on Wed afternoon). Mainly fresh winds. | |||||||||||||||||||||||
Tuesday 22 | Wednesday 23 | Thursday 24 | |||||||||||||||||||||
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) | E 10 | E 15 | E 14 | E 14 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 11 | E 11 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 7 | 4 | 4 | 4 | 150 | 123 | 117 | 160 | 188 | 261 | 360 | 469 | 572 | 630 | 647 | 740 | 807 | 898 | 999 | 1000 | 1039 | 1349 | 1379 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 8:59AM2.35m | 9:13PM2.67m | 9:46AM2.46m | 10:00PM2.75m | 10:28AM2.59m | 10:43PM2.82m | |||||||||||||||||
Low Tide | 2:41AM0.46m | 2:52PM0.61m | 3:30AM0.39m | 3:41PM0.50m | 4:14AM0.31m | 4:27PM0.37m | |||||||||||||||||
 |  |  | |  | |  |  | | | | | | | | | | | | | | | | |
 | 6:28 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — |
 | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 15 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 |
Feels °C | 12 | 10 | 9 | 8 | 9 | 9 | 9 | 9 | 9 | 8 | 7 | 5 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 |
Swell 1 Height (m) Direction Period (s) | E 10 | E 15 | E 14 | E 14 | E 14 | E 14 | E 14 | E 13 | — | S 10 | SE 10 | SE 10 | SSE 11 | SSE 11 | SSE 12 | S 12 | S 12 | S 13 | S 13 | S 13 | S 13 | ENE 11 | ENE 11 |
| kJ | 7 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | — | 2 | 4 | 4 | 11 | 12 | 13 | 3 | 3 | 3 | 3 | 3 | 3 | 1051 | 1086 |
Swell 2 Height (m) Direction Period (s) | E 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 5 | ENE 5 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 11 | E 11 |
| kJ | 31 | 72 | 126 | 140 | 150 | 123 | 117 | 160 | 188 | 261 | 360 | 469 | 572 | 630 | 647 | 740 | 807 | 898 | 999 | 1000 | 1039 | 1349 | 1379 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 515 | 106 | 515 | 571 | 60 | 0 | 60 | 132 | 647 | 529 | 2482 | 945 | 2661 | 83 | 83 | 83 | 83 | 529 | 655 | 959 | 959 | 83 | 49 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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