Surf Forecasts:
How big are the waves at Green Harbor today (13 Sep):
- Morning surf: Morning surf (13 Sep, local time) - 0.5ft (0.2m), 10s period with E swell.
- Afternoon surf: Afternoon surf (13 Sep, local time) - 0.5ft (0.2m), 10s period with E swell.
- Evening surf: Evening surf (13 Sep, local time) - 0.5ft (0.2m), 10s period with E swell.
The current surf forecast for Green Harbor at 3PM is: 0.2m 10s primary swell from a East direction (forecast issued at 07:00am September 13). An open ocean swell of 0.2m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Sep) | 0.5ft (0.2m) | 10s |
| Afternoon (13 Sep) | 0.5ft (0.2m) | 10s |
| Evening (13 Sep) | 0.5ft (0.2m) | 10s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 58mm), heaviest during Sun afternoon. Warm (max 21°C on Mon afternoon, min 14°C on Mon night). Wind will be generally light. | |||||||||||||||||||||||
Sunday 13 | Monday 14 | Tuesday 15 | |||||||||||||||||||||
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 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | ESE 9 | E 9 | E 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 9 | E 9 | E 9 | NE 5 | NE 5 | ENE 6 | ENE 6 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 17 | 7 | 6 | 15 | 15 | 16 | 8 | 7 | 7 | 7 | 41 | 42 | 46 | 29 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-off | off | glassy | cross-on | on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | cross-on |
High Tide | 1:33PM3.12m | 1:59AM2.96m | 2:15PM3.06m | 2:43AM2.82m | 2:57PM2.97m | ||||||||||||||||||
Low Tide | 7:19AM-0.02m | 7:44PM-0.09m | 8:01AM0.10m | 8:29PM-0.01m | 8:43AM0.23m | 9:14PM0.09m | |||||||||||||||||
 |  |  |  | | |  | |  |  |  | | | | | | | | | | | | | |
 | 6:18 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:53 | — | — | — | — | — | — | — | 6:52 | — | — |
mm | — | — | 2 | 41 | 14 | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 20 | 18 | 19 | 21 | 21 | 19 | 16 | 16 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
Feels °C | 18 | 19 | 21 | 21 | 20 | 21 | 20 | 19 | 19 | 16 | 14 | 16 | 17 | 14 | 11 | 11 | 10 | 10 | 11 | 12 | 12 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | E 10 | ESE 4 | ESE 4 | ESE 4 | E 4 | ESE 9 | E 9 | E 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 9 | E 9 | E 9 | NE 5 | NE 5 | ENE 6 | ENE 6 |
| kJ | 8 | 8 | 8 | 8 | 7 | 3 | 3 | 3 | 1 | 17 | 7 | 6 | 15 | 15 | 16 | 8 | 7 | 7 | 7 | 41 | 42 | 46 | 29 |
Swell 2 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | — | E 9 | E 10 | E 9 | E 9 | E 9 | E 4 | SE 6 | ESE 6 | E 7 | S 6 | S 6 | E 15 | E 15 | E 15 | E 15 | E 9 | E 9 | E 9 | E 10 |
| kJ | 2 | 2 | 2 | — | 2 | 7 | 7 | 7 | 7 | 1 | 1 | 4 | 4 | 3 | 1 | 4 | 4 | 4 | 4 | 7 | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | S 9 | S 9 | S 9 | S 5 | E 4 | — | — | — | — | — | E 15 | — | — | — | — | E 15 | E 15 | E 14 | E 14 |
| kJ | — | — | — | — | 2 | 2 | 2 | 2 | 1 | — | — | — | — | — | 4 | — | — | — | — | 4 | 4 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | SSE 3 | SE 4 | SE 4 | ESE 3 | ESE 4 | — | — | — | — | NW 2 | NNW 3 | N 4 | N 4 | N 4 | N 4 | NE 6 | NNE 6 | NE 6 | NE 6 | NE 5 | — | — | — |
| kJ | 1 | 2 | 2 | 1 | 1 | — | — | — | — | 1 | 3 | 14 | 13 | 7 | 10 | 88 | 112 | 108 | 69 | 29 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 525 | 341 | 272 | 113 | 85 | 102 | 152 | 341 | 127 | 272 | 650 | 94 | 515 | 131 | 647 | 131 | 466 | 94 | 571 | 647 | 1206 | 647 | 54 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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