Surf Forecasts:
How big are the waves at Plum Island today (16 Aug):
- Morning surf: Morning surf (16 Aug, local time) - 0.5ft (0.1m), 9s period with SE 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) - 3.5ft (1.1m), 4s period with S swell.
The current surf forecast for Plum Island at 10AM is: 0.1m 9s primary swell from a Southeast direction and 0.3m 3s secondary swell from a Northeast direction, 0.2m 3s secondary swell from a North-northeast direction (forecast issued at 01:00am August 16). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Aug) | 0.5ft (0.1m) | 9s |
| Afternoon (16 Aug) | 1ft (0.3m) | 9s |
| Evening (16 Aug) | 3.5ft (1.1m) | 4s |
Table - waves today at Plum Island. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 15mm), heaviest on Mon afternoon. Warm (max 23°C on Sun night, min 16°C on Sun morning). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 16 | Monday 17 | Tuesday 18 | ||||||||||||||||||||||
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 | 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) | ESE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | S 4 | S 5 | S 5 | S 5 | S 4 | S 4 | S 4 | SSE 4 | SSE 4 | SSE 4 | SE 5 | SE 5 | SE 5 | SSE 6 | SE 8 | SE 8 | SE 8 | SE 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 8 | 12 | 3 | 3 | 12 | 12 | 43 | 52 | 41 | 35 | 32 | 28 | 28 | 17 | 17 | 24 | 23 | 19 | 15 | 12 | 95 | 125 | 101 | 84 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | on | cross-on | cross-on | cross | cross-off | cross-off | cross | cross-off | cross | cross | cross | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on |
High Tide | 2:44AM2.65m | 3:10PM2.57m | 3:32AM2.48m | 3:55PM2.49m | 4:20AM2.30m | 4:42PM2.40m | ||||||||||||||||||
Low Tide | 9:30AM-0.12m | 9:56PM-0.05m | 10:18AM0.01m | 10:48PM0.03m | 11:07AM0.16m | |||||||||||||||||||
 | |  | | |  |  | | |  |  | | | |  | | | |  | | | | | | |
 | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:44 | — | — | — | — | — | — | — | 7:42 | — | — | — | — | — | — | — | 7:40 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 4 | 4 | 2 | 1 | — | — | — | — | — | — | — |
Temp °C | 19 | 17 | 16 | 19 | 21 | 22 | 23 | 22 | 21 | 21 | 20 | 19 | 19 | 19 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 18 | 18 |
Feels °C | 17 | 15 | 15 | 19 | 19 | 19 | 20 | 20 | 19 | 20 | 20 | 19 | 20 | 20 | 22 | 22 | 22 | 20 | 20 | 19 | 19 | 19 | 18 | 19 |
Swell 1 Height (m) Direction Period (s) | ESE 9 | SE 9 | SE 9 | NE 3 | NNE 3 | SE 9 | — | SE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | SE 9 | ESE 9 | SE 5 | SE 5 | SE 5 | ESE 5 | SE 8 | SE 8 | SE 8 | SE 8 |
| kJ | 8 | 12 | 3 | 1 | 1 | 12 | — | 3 | 7 | 7 | 7 | 7 | 7 | 7 | 12 | 8 | 23 | 19 | 15 | 8 | 95 | 125 | 101 | 84 |
Swell 2 Height (m) Direction Period (s) | — | — | SE 6 | SE 9 | SE 9 | — | — | — | — | — | — | — | — | — | — | — | ESE 9 | SE 9 | SE 8 | SSE 6 | — | — | — | — |
| kJ | — | — | 2 | 3 | 12 | — | — | — | — | — | — | — | — | — | — | — | 8 | 12 | 11 | 12 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | SE 6 | E 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 8 | SE 8 | — | — | — | — |
| kJ | — | — | — | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | 11 | 11 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | NNE 3 | — | — | SE 2 | S 4 | S 5 | S 5 | S 5 | S 4 | S 4 | S 4 | SSE 4 | SSE 4 | SSE 4 | — | — | — | — | NNE 2 | NE 3 | — | — |
| kJ | — | — | 1 | — | — | 1 | 43 | 52 | 41 | 35 | 32 | 28 | 28 | 17 | 17 | 24 | — | — | — | — | 1 | 2 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1882 | 2557 | 1285 | 1727 | 1882 | 3528 | 1678 | 1727 | 2554 | 800 | 351 | 324 | 307 | 272 | 169 | 145 | 145 | 145 | 152 | 152 | 182 | 145 | 177 | 177 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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