Surf Forecasts:
How big are the waves at Plum Island today (31 Aug):
- Morning surf: Morning surf (31 Aug, local time) - 1ft (0.3m), 8s period with SE swell.
- Afternoon surf: Afternoon surf (31 Aug, local time) - 1ft (0.3m), 8s period with SE swell.
- Evening surf: Evening surf (31 Aug, local time) - 2.5ft (0.7m), 3s period with SSE swell.
The current surf forecast for Plum Island at 9PM is: 0.7m 3s primary swell from a South-southeast direction and 0.1m 4s secondary swell from a Northeast direction, 0.1m 4s secondary swell from a Northeast direction (forecast issued at 01:00pm August 31). The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | 1ft (0.3m) | 8s |
| Afternoon (31 Aug) | 1ft (0.3m) | 8s |
| Evening (31 Aug) | 2.5ft (0.7m) | 3s |
Table - waves today at Plum Island. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 36mm), heaviest during Tue morning. Warm (max 20°C on Mon afternoon, min 15°C on Tue afternoon). Wind will be generally light. | |||||||||||||||||||||
Mon 31 | Tuesday 1 | Wednesday 2 | |||||||||||||||||||
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) | SE 8 | SE 8 | SE 8 | SSE 3 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SSE 4 | SSE 4 | SSE 4 | SE 10 | SE 10 | SE 11 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 11 | 11 | 17 | 12 | 10 | 10 | 10 | 10 | 10 | 18 | 24 | 18 | 14 | 14 | 43 | 58 | 57 | 56 | 48 | 47 | 46 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | cross-on | cross-on | cross-on |
High Tide | 2:27PM2.67m | 2:50AM2.55m | 3:10PM2.71m | 3:37AM2.47m | 3:57PM2.71m | ||||||||||||||||
Low Tide | 8:43AM0.02m | 9:08PM-0.02m | 9:20AM0.06m | 9:54PM-0.03m | 10:03AM0.13m | 10:46PM0.01m | |||||||||||||||
 | | |  |  | |  |  |  | | | |  | | |  |  | | | | | |
 | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | — | — | 7:20 | — | — | — | — | — | — | — | 7:17 | — | — | — | — | — | — | — | 7:15 | — | — |
mm | — | — | — | — | — | — | 2 | 4 | 11 | 3 | 3 | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 20 | 20 | 19 | 20 | 18 | 18 | 18 | 17 | 16 | 15 | 16 | 17 | 17 | 17 | 18 | 18 | 19 | 19 | 18 | 18 |
Feels °C | 18 | 18 | 17 | 16 | 18 | 17 | 19 | 19 | 16 | 14 | 13 | 15 | 16 | 16 | 16 | 17 | 16 | 17 | 18 | 17 | 18 |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 8 | — | NE 4 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | E 13 | ESE 8 | SE 9 | SE 10 | SE 10 | SE 11 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 |
| kJ | 11 | 11 | — | 1 | 10 | 10 | 10 | 10 | 10 | 4 | 6 | 14 | 14 | 14 | 43 | 58 | 57 | 56 | 48 | 47 | 46 |
Swell 2 Height (m) Direction Period (s) | — | — | — | NE 4 | — | — | ESE 8 | — | S 10 | — | SE 10 | SE 13 | ESE 12 | ESE 12 | E 12 | — | ESE 9 | — | — | — | — |
| kJ | — | — | — | 1 | — | — | 6 | — | 2 | — | 4 | 7 | 14 | 14 | 3 | — | 7 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | S 5 | — | — | — | — | — | — | — | S 14 | E 13 | E 13 | — | — | — | — | — | — | — | — | — |
| kJ | — | 1 | — | — | — | — | — | — | — | 4 | 3 | 3 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNE 2 | — | SE 8 | SSE 3 | S 4 | S 4 | S 4 | SSE 4 | SSE 3 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SE 4 | SE 4 | SE 4 | SE 4 | SE 5 | SE 5 | SE 6 | SE 6 |
| kJ | 1 | — | 17 | 12 | 27 | 15 | 7 | 4 | 4 | 18 | 24 | 18 | 13 | 9 | 12 | 16 | 16 | 23 | 27 | 43 | 43 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1282 | 1282 | 1282 | 1282 | 2554 | 54 | 895 | 895 | 895 | 929 | 627 | 448 | 480 | 443 | 499 | 156 | 790 | 549 | 550 | 2724 | 182 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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