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 (0.8m), 3s period with SSE swell.
The current surf forecast for Plum Island at 9AM is: 0.3m 8s primary swell from a Southeast direction and 0.2m 5s secondary swell from a South direction (forecast issued at 01:00am 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 (0.8m) | 3s |
Table - waves today at Plum Island. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 15mm), heaviest on Wed night. Warm (max 20°C on Mon afternoon, min 16°C on Tue afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | ||||||||||||||||||||||
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) | SE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SSE 3 | S 4 | SE 8 | SE 8 | SE 8 | SE 8 | SSE 4 | SSE 4 | SE 5 | SE 5 | SE 10 | SE 11 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 9 | 11 | 11 | 11 | 11 | 24 | 13 | 22 | 10 | 10 | 10 | 10 | 12 | 24 | 22 | 23 | 18 | 31 | 42 | 57 | 56 | 48 | 60 | 46 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | on | cross-on | cross-on | cross | cross-off | cross | cross-off | glassy | on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on |
High Tide | 2:06AM2.60m | 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 | ||||||||||||||||||
 | |  | | | |  | |  | |  |  | | | | | | |  | | | | | | |
 | — | 6:05 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:20 | — | — | — | — | — | — | — | 7:17 | — | — | — | — | — | — | — | 7:15 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 3 | 2 | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 19 | 18 | 19 | 20 | 20 | 19 | 20 | 19 | 19 | 19 | 19 | 16 | 16 | 17 | 17 | 17 | 18 | 18 | 19 | 19 | 19 | 18 | 18 |
Feels °C | 19 | 19 | 18 | 18 | 18 | 17 | 17 | 19 | 19 | 20 | 21 | 19 | 14 | 14 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | SSE 5 | SE 8 | SE 8 | SE 8 | SE 8 | NE 4 | — | SE 8 | SE 8 | SE 8 | SSE 3 | SE 8 | E 14 | ESE 8 | ESE 9 | SE 5 | SE 10 | SE 11 | SE 11 | SE 11 | SE 5 | SE 5 | SE 10 | SE 10 |
| kJ | 9 | 11 | 11 | 11 | 11 | 2 | — | 10 | 10 | 10 | 2 | 10 | 4 | 6 | 9 | 23 | 14 | 31 | 42 | 57 | 25 | 27 | 47 | 46 |
Swell 2 Height (m) Direction Period (s) | SE 7 | SSE 5 | S 5 | — | NE 4 | — | — | NE 4 | — | — | SE 8 | S 10 | — | SE 10 | SE 13 | SE 10 | ESE 12 | E 12 | — | ESE 8 | SE 11 | SE 10 | SE 10 | — |
| kJ | 7 | 5 | 2 | — | 2 | — | — | 1 | — | — | 10 | 2 | — | 4 | 7 | 14 | 14 | 3 | — | 7 | 56 | 48 | 60 | — |
Swell 3 Height (m) Direction Period (s) | ESE 9 | E 6 | E 5 | S 5 | S 5 | — | — | — | — | — | — | — | S 14 | E 13 | E 13 | SE 12 | E 12 | — | — | — | — | — | — | — |
| kJ | 7 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | 4 | 3 | 3 | 6 | 3 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 3 | NW 3 | — | NNE 3 | — | SE 8 | SSE 3 | S 4 | S 4 | SSE 4 | — | SE 3 | SSE 4 | SSE 4 | SE 5 | SE 5 | SE 5 | SE 5 | SE 5 | SE 5 | — | SE 5 | SE 6 | SE 6 |
| kJ | 2 | 1 | — | 2 | — | 24 | 13 | 22 | 10 | 4 | — | 2 | 12 | 24 | 22 | 21 | 18 | 16 | 21 | 19 | — | 29 | 24 | 31 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 235 | 626 | 649 | 627 | 499 | 1282 | 1282 | 1454 | 54 | 895 | 895 | 895 | 929 | 627 | 427 | 448 | 507 | 606 | 789 | 833 | 550 | 549 | 507 | 182 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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