Surf Forecasts:
How big are the waves at Plum Island today (12 Sep):
- Morning surf: Morning surf (12 Sep, local time) - 0.5ft (0.2m), 10s period with ESE swell.
- Afternoon surf: Afternoon surf (12 Sep, local time) - 0.5ft (0.2m), 10s period with ESE swell.
- Evening surf: Evening surf (12 Sep, local time) - 2.5ft (0.8m), 4s period with SSE swell.
The current surf forecast for Plum Island at 1AM is: 0.3m 11s primary swell from a Southeast direction and 0.1m 8s secondary swell from a East direction, 0.3m 3s secondary swell from a North-northeast direction (forecast issued at 07:00pm September 11). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | 0.5ft (0.2m) | 10s |
| Afternoon (12 Sep) | 0.5ft (0.2m) | 10s |
| Evening (12 Sep) | 2.5ft (0.8m) | 4s |
Table - waves today at Plum Island. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Sun morning. Warm (max 20°C on Fri night, min 14°C on Sat morning). Wind will be generally light. | |||||||||||||||||||
Fri 11 | Saturday 12 | Sunday 13 | |||||||||||||||||
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 10 | ESE 11 | SE 11 | SE 11 | SE 11 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SSE 4 | SSE 4 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 |
Wave Graph  | |||||||||||||||||||
 kJ | 17 | 11 | 18 | 18 | 18 | 9 | 9 | 9 | 9 | 16 | 24 | 18 | 18 | 15 | 24 | 24 | 23 | 22 | 22 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-on | glassy | glassy | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | glassy | cross-off |
High Tide | 00:50AM2.72m | 1:14PM2.65m | 1:36AM2.63m | 1:55PM2.63m | |||||||||||||||
Low Tide | 7:06PM-0.14m | 7:32AM-0.18m | 7:54PM-0.17m | 8:16AM-0.11m | 8:41PM-0.15m | ||||||||||||||
 |  | | | | | | | |  | | |  |  |  | |  | | | |
 | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | 7:00 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:57 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 10 | 2 | — | — | — |
Temp °C | 23 | 20 | 17 | 16 | 15 | 14 | 17 | 19 | 18 | 19 | 18 | 18 | 17 | 17 | 17 | 18 | 18 | 18 | 18 |
Feels °C | 19 | 17 | 14 | 14 | 14 | 13 | 15 | 16 | 14 | 17 | 16 | 17 | 17 | 17 | 16 | 18 | 19 | 20 | 19 |
Swell 1 Height (m) Direction Period (s) | SE 10 | ESE 11 | SE 11 | SE 11 | NE 4 | NE 4 | ENE 4 | ESE 10 | ESE 10 | ESE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 |
| kJ | 17 | 11 | 18 | 18 | 3 | 4 | 1 | 9 | 9 | 9 | 15 | 15 | 15 | 15 | 24 | 24 | 23 | 22 | 22 |
Swell 2 Height (m) Direction Period (s) | NE 5 | NE 4 | E 8 | E 8 | SE 11 | ESE 10 | ESE 10 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 1 | 1 | 1 | 18 | 9 | 9 | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | NE 5 | SSE 6 | S 11 | — | — | SE 6 | SE 6 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 4 | 2 | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 2 | NW 3 | NNW 3 | NNE 3 | NE 3 | — | — | SE 6 | SE 3 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SE 4 | SE 4 | SSE 4 |
| kJ | 1 | 2 | 3 | 1 | 4 | — | — | 6 | 4 | 16 | 24 | 18 | 18 | 15 | 12 | 11 | 16 | 17 | 11 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 449 | 626 | 231 | 895 | 627 | 635 | 1276 | 1282 | 926 | 926 | 854 | 627 | 574 | 54 | 337 | 211 | 211 | 211 | 211 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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