Surf Forecasts:
How big are the waves at Green Harbor today (30 Sep):
- Morning surf: Morning surf (30 Sep, local time) - 2.5ft (0.7m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (30 Sep, local time) - 2.5ft (0.7m), 8s period with E swell.
- Evening surf: Evening surf (30 Sep, local time) - 2.5ft (0.7m), 8s period with ENE swell.
The current surf forecast for Green Harbor at 3PM is: 0.7m 8s primary swell from a East direction and 0.3m 5s secondary swell from a Northeast direction (forecast issued at 07:00am September 30). The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Sep) | 2.5ft (0.7m) | 8s |
| Afternoon (30 Sep) | 2.5ft (0.7m) | 8s |
| Evening (30 Sep) | 2.5ft (0.7m) | 8s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Fri night. Warm (max 27°C on Fri afternoon, min 15°C on Wed morning). Winds increasing (calm on Wed morning, fresh winds from the NW by Fri night). | |||||||||||||||||||||||
Wednesday 30 | Thursday 1 | Friday 2 | |||||||||||||||||||||
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) | ENE 9 | ENE 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | E 8 | E 8 | E 8 | ENE 12 | ENE 12 | ENE 12 | ENE 11 | E 11 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 77 | 75 | 75 | 69 | 73 | 72 | 72 | 50 | 50 | 50 | 34 | 34 | 33 | 33 | 21 | 19 | 19 | 19 | 26 | 26 | 26 | 24 | 37 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | glassy | cross-off | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on |
High Tide | 2:14AM2.89m | 2:27PM3.23m | 3:03AM2.82m | 3:18PM3.21m | 3:58AM2.72m | 4:15PM3.14m | |||||||||||||||||
Low Tide | 8:15AM0.12m | 8:51PM-0.17m | 9:04AM0.18m | 9:45PM-0.12m | 9:58AM0.26m | 10:44PM-0.03m | |||||||||||||||||
 |  |  |  | | | |  | | | | | | | |  | | | | | | |  | |
 | 6:37 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — |
 | — | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:22 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 15 | 15 | 17 | 18 | 18 | 18 | 17 | 17 | 17 | 18 | 21 | 22 | 22 | 20 | 19 | 19 | 19 | 19 | 24 | 27 | 25 | 22 | 20 |
Feels °C | 15 | 15 | 18 | 18 | 17 | 17 | 15 | 15 | 16 | 18 | 20 | 20 | 20 | 18 | 17 | 17 | 17 | 17 | 21 | 25 | 23 | 21 | 19 |
Swell 1 Height (m) Direction Period (s) | ENE 9 | ENE 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 11 |
| kJ | 77 | 75 | 75 | 69 | 73 | 72 | 72 | 50 | 50 | 50 | 34 | 34 | 33 | 33 | 21 | 19 | 19 | 19 | 19 | 12 | 12 | 12 | 37 |
Swell 2 Height (m) Direction Period (s) | NE 5 | NE 4 | NE 4 | NE 5 | E 13 | — | NNE 4 | — | S 7 | E 13 | E 12 | E 12 | E 12 | E 12 | E 12 | ENE 12 | E 12 | E 12 | ENE 12 | ENE 12 | ENE 12 | ENE 11 | SE 5 |
| kJ | 5 | 3 | 3 | 3 | 3 | — | 2 | — | 1 | 3 | 11 | 11 | 11 | 11 | 11 | 14 | 11 | 11 | 26 | 26 | 26 | 24 | 1 |
Swell 3 Height (m) Direction Period (s) | E 13 | E 13 | E 13 | E 13 | E 13 | — | — | — | S 7 | NE 4 | NE 4 | NE 4 | NE 4 | — | S 12 | — | S 12 | S 12 | S 12 | SE 5 | SE 5 | S 3 | — |
| kJ | 4 | 3 | 13 | 13 | 3 | — | — | — | 1 | 1 | 1 | 1 | 1 | — | 3 | — | 3 | 3 | 3 | 1 | 1 | 1 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | S 5 | SSW 2 | — | — | — | — | — | — | WSW 2 | SW 3 | SW 2 | WSW 2 | SW 2 | SW 2 | SW 3 | SSW 3 | S 3 | W 3 | WNW 2 |
| kJ | — | — | — | — | 1 | 1 | — | — | — | — | — | — | 1 | 2 | 2 | 1 | 2 | 2 | 2 | 3 | 4 | 1 | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 1 | 1 | 1 | 39 | 2 | 1 | 1 | 2 | 2 | 2 | 6 | 52 | 57 | 6 | 6 | 543 | 543 | 91 | 85 | 81 | 6 | 6 | 56 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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