Surf Forecasts:
How big are the waves at Plum Island today (13 Aug):
- Morning surf: Morning surf (13 Aug, local time) - 0.5ft (0.2m), 8s period with ESE swell.
- Afternoon surf: Afternoon surf (13 Aug, local time) - 1.5ft (0.5m), 3s period with S swell.
- Evening surf: Evening surf (13 Aug, local time) - 0.5ft (0.2m), 10s period with ESE swell.
The current surf forecast for Plum Island at 1AM is: 0.1m 14s primary swell from a Southeast direction and 0.1m 8s secondary swell from a Southeast direction (forecast issued at 07:00pm August 12). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Aug) | 0.5ft (0.2m) | 8s |
| Afternoon (13 Aug) | 1.5ft (0.5m) | 3s |
| Evening (13 Aug) | 0.5ft (0.2m) | 10s |
Table - waves today at Plum Island. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Thu morning. Warm (max 27°C on Thu afternoon, min 16°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Wed 12 | Thursday 13 | Friday 14 | |||||||||||||||||
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 14 | E 14 | E 14 | SE 14 | ESE 14 | ESE 8 | SE 14 | S 3 | SSE 4 | SE 4 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SE 10 | SE 10 | ESE 10 | ESE 9 | N 4 |
Wave Graph  | |||||||||||||||||||
 kJ | 4 | 4 | 4 | 8 | 20 | 8 | 8 | 5 | 4 | 4 | 9 | 9 | 9 | 9 | 15 | 15 | 9 | 9 | 9 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | off | cross-off | cross-off | off | glassy | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross |
High Tide | 00:13AM2.92m | 12:49PM2.58m | 1:06AM2.88m | 1:38PM2.62m | |||||||||||||||
Low Tide | 6:28PM0.01m | 7:07AM-0.28m | 7:21PM-0.06m | 7:56AM-0.28m | 8:13PM-0.10m | ||||||||||||||
 |  |  | | |  |  | | | | | | | | | | | |  | |
 | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — |
 | 7:50 | — | — | — | — | — | — | — | 7:47 | — | — | — | — | — | — | — | 7:46 | — | — |
mm | — | — | — | — | — | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 24 | 22 | 22 | 20 | 19 | 24 | 26 | 27 | 24 | 21 | 20 | 19 | 19 | 23 | 26 | 27 | 23 | 20 |
Feels °C | 26 | 23 | 21 | 21 | 19 | 18 | 24 | 27 | 26 | 25 | 20 | 18 | 17 | 16 | 19 | 22 | 22 | 19 | 16 |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | W 3 | SE 8 | SE 10 | SSE 4 | SE 4 | SE 4 | SSE 4 | ESE 10 | ESE 10 | SE 10 | SE 10 | ESE 10 | ESE 9 | ESE 9 |
| kJ | 3 | 3 | 3 | 3 | 3 | 1 | 3 | 4 | 4 | 4 | 5 | 2 | 9 | 9 | 15 | 15 | 9 | 9 | 8 |
Swell 2 Height (m) Direction Period (s) | E 14 | E 14 | E 14 | SE 14 | ESE 14 | ESE 8 | SE 14 | SE 8 | SE 10 | SE 10 | ESE 10 | ESE 10 | SSE 4 | SE 4 | SE 13 | SE 13 | SE 13 | E 13 | E 13 |
| kJ | 4 | 4 | 4 | 8 | 20 | 7 | 8 | 3 | 4 | 4 | 9 | 9 | 2 | 1 | 7 | 7 | 7 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | E 8 | E 8 | E 11 | SE 11 | E 11 | SE 14 | SE 10 | E 14 | SE 8 | SE 8 | E 13 | E 13 | E 13 | SE 13 | E 8 | — | E 13 | E 13 | E 13 |
| kJ | 1 | 1 | 2 | 4 | 2 | 8 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 7 | 1 | — | 3 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | SSE 3 | S 3 | S 3 | S 3 | SW 4 | SSW 4 | SSW 3 | S 3 | — | — | NNW 2 | NW 2 | NW 3 | NW 3 | NW 3 | — | NNW 2 | NNW 3 | N 4 |
| kJ | 2 | 2 | 5 | 6 | 12 | 4 | 7 | 5 | — | — | 1 | 1 | 5 | 5 | 1 | — | 1 | 4 | 9 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 509 | 532 | 507 | 2554 | 626 | 231 | 2573 | 231 | 274 | 145 | 231 | 507 | 863 | 863 | 2737 | 3518 | 3538 | 895 | 627 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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