Surf Forecasts:
How big are the waves at Plum Island today (16 Aug):
- Morning surf: Morning surf (16 Aug, local time) - 0.5ft (0.2m), 9s period with ESE swell.
- Afternoon surf: Afternoon surf (16 Aug, local time) - 1ft (0.3m), 9s period with SE swell.
- Evening surf: Evening surf (16 Aug, local time) - 4.5ft (1.3m), 5s period with S swell.
The current surf forecast for Plum Island at 12AM is: 0.1m 9s primary swell from a Southeast direction and 0.1m 12s secondary swell from a East direction (forecast issued at 07:00pm August 15). An open ocean swell of 0.2m 2s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Aug) | 0.5ft (0.2m) | 9s |
| Afternoon (16 Aug) | 1ft (0.3m) | 9s |
| Evening (16 Aug) | 4.5ft (1.3m) | 5s |
Table - waves today at Plum Island. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 13mm), heaviest on Mon afternoon. Warm (max 24°C on Sun night, min 17°C on Sun morning). Wind will be generally light. | |||||||||||||||||||
Sat 15 | Sunday 16 | Monday 17 | |||||||||||||||||
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 12 | E 12 | E 12 | ESE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | S 5 | S 5 | S 5 | S 5 | S 5 | S 4 | S 4 | SSE 4 | SSE 5 | SE 5 |
Wave Graph  | |||||||||||||||||||
 kJ | 3 | 3 | 3 | 8 | 12 | 12 | 3 | 12 | 12 | 71 | 68 | 52 | 42 | 42 | 31 | 38 | 36 | 33 | 23 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | off | cross-off | cross | cross-on | on | on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | glassy | cross |
High Tide | 2:25PM2.62m | 2:44AM2.65m | 3:10PM2.57m | 3:32AM2.48m | 3:55PM2.49m | ||||||||||||||
Low Tide | 9:04PM-0.09m | 9:30AM-0.12m | 9:56PM-0.05m | 10:18AM0.01m | 10:48PM0.03m | ||||||||||||||
 |  | | | |  | | | |  |  | | |  | | | |  | | |
 | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — |
 | 7:45 | — | — | — | — | — | — | — | 7:44 | — | — | — | — | — | — | — | 7:42 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 4 | 3 | 2 | — |
Temp °C | 23 | 22 | 20 | 19 | 18 | 17 | 19 | 22 | 22 | 24 | 22 | 21 | 21 | 20 | 19 | 19 | 20 | 20 | 20 |
Feels °C | 20 | 20 | 19 | 18 | 17 | 16 | 18 | 20 | 20 | 20 | 20 | 19 | 20 | 19 | 18 | 19 | 22 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | SSW 3 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | SE 8 | ESE 9 | SE 5 |
| kJ | 3 | 3 | 3 | 1 | 12 | 12 | 3 | 12 | 12 | 3 | 3 | 3 | 7 | 7 | 7 | 7 | 3 | 8 | 23 |
Swell 2 Height (m) Direction Period (s) | — | — | E 12 | ESE 9 | — | — | SE 6 | NNE 3 | — | E 11 | — | — | — | — | — | — | — | — | ESE 9 |
| kJ | — | — | 3 | 8 | — | — | 2 | 1 | — | 2 | — | — | — | — | — | — | — | — | 8 |
Swell 3 Height (m) Direction Period (s) | E 12 | E 12 | — | — | SE 7 | — | — | E 11 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | 3 | — | — | 2 | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | SSW 2 | — | — | NE 3 | NNE 3 | — | SE 2 | S 5 | S 5 | S 5 | S 5 | S 5 | S 4 | S 4 | SSE 4 | SSE 5 | — |
| kJ | — | — | 1 | — | — | 1 | 1 | — | 1 | 71 | 68 | 52 | 42 | 42 | 31 | 38 | 36 | 33 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 2533 | 2738 | 1546 | 1882 | 2557 | 1727 | 1285 | 1882 | 2533 | 3518 | 1666 | 800 | 1727 | 354 | 316 | 258 | 216 | 4 | 54 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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