Surf Forecasts:
How big are the waves at Plum Island today (29 Aug):
- Morning surf: Morning surf (29 Aug, local time) - 2.5ft (0.7m), 7s period with SE swell.
- Afternoon surf: Afternoon surf (29 Aug, local time) - 2.5ft (0.7m), 7s period with SE swell.
- Evening surf: Evening surf (29 Aug, local time) - 2ft (0.6m), 7s period with ESE swell.
The current surf forecast for Plum Island at 7PM is: 0.6m 7s primary swell from a Southeast direction and 0.2m 4s secondary swell from a East-northeast direction, 0.4m 3s secondary swell from a South-southeast direction (forecast issued at 01:00pm August 29). The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Aug) | 2.5ft (0.7m) | 7s |
| Afternoon (29 Aug) | 2.5ft (0.7m) | 7s |
| Evening (29 Aug) | 2ft (0.6m) | 7s |
Table - waves today at Plum Island. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 15mm), heaviest on Tue morning. Warm (max 29°C on Sun afternoon, min 18°C on Sun night). Wind will be generally light. | |||||||||||||||||||||
Sat 29 | Sunday 30 | Monday 31 | |||||||||||||||||||
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 7 | SE 7 | ESE 7 | ESE 7 | ESE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SSE 5 | SE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SSE 8 | SSE 4 | S 4 |
Wave Graph  | |||||||||||||||||||||
 kJ | 53 | 50 | 51 | 33 | 33 | 33 | 31 | 23 | 23 | 23 | 17 | 18 | 15 | 9 | 11 | 11 | 11 | 11 | 26 | 13 | 21 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | cross | cross-off | off | cross-off | cross-off | cross-off | off | off | off | cross-off | off | cross-off | glassy | on | cross-on | cross-on | cross | cross |
High Tide | 1:09PM2.52m | 1:25AM2.62m | 1:47PM2.61m | 2:06AM2.60m | 2:27PM2.67m | ||||||||||||||||
Low Tide | 7:50PM0.08m | 8:09AM0.02m | 8:27PM0.02m | 8:43AM0.02m | 9:08PM-0.02m | ||||||||||||||||
 | | |  | | |  |  | |  | |  | | | | | | | | | | |
 | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | — | 7:22 | — | — | — | — | — | — | — | 7:21 | — | — | — | — | — | — | — | 7:20 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 20 | 21 | 20 | 20 | 20 | 20 | 20 | 24 | 29 | 28 | 23 | 22 | 21 | 18 | 18 | 20 | 21 | 22 | 20 | 20 |
Feels °C | 17 | 18 | 19 | 18 | 19 | 18 | 17 | 17 | 21 | 26 | 25 | 21 | 22 | 21 | 18 | 19 | 20 | 19 | 20 | 19 | 20 |
Swell 1 Height (m) Direction Period (s) | SE 7 | SE 7 | SE 7 | ESE 7 | ESE 7 | ESE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 4 | SSE 5 | SSE 5 | SE 8 | SE 8 | SE 8 | SE 8 | — | — | SE 8 |
| kJ | 53 | 50 | 51 | 33 | 33 | 33 | 31 | 23 | 23 | 23 | 17 | 5 | 15 | 9 | 11 | 11 | 11 | 11 | — | — | 10 |
Swell 2 Height (m) Direction Period (s) | — | NE 4 | NE 4 | ENE 4 | NE 4 | ESE 8 | E 6 | E 6 | E 6 | E 6 | E 5 | SE 8 | ESE 9 | W 3 | S 5 | S 5 | — | — | — | — | — |
| kJ | — | 5 | 4 | 1 | 1 | 7 | 1 | 3 | 2 | 2 | 1 | 18 | 7 | 2 | 4 | 2 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | E 9 | E 9 | E 9 | NE 4 | E 6 | — | E 9 | E 8 | E 8 | E 5 | ESE 7 | SE 7 | W 3 | — | S 5 | — | — | — | — |
| kJ | — | — | 2 | 2 | 2 | 1 | 1 | — | 1 | 1 | 1 | 1 | 4 | 7 | 1 | — | 1 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NE 4 | — | — | SSE 3 | S 4 | SSW 4 | SSW 3 | SW 3 | SW 3 | SSW 3 | SSW 3 | WSW 3 | W 3 | — | — | — | — | — | SSE 8 | SSE 4 | S 4 |
| kJ | 4 | — | — | 2 | 13 | 11 | 5 | 3 | 5 | 4 | 4 | 6 | 6 | — | — | — | — | — | 26 | 13 | 21 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 9 | 211 | 499 | 391 | 14 | 4 | 54 | 626 | 854 | 895 | 381 | 351 | 183 | 231 | 231 | 231 | 509 | 499 | 499 | 635 | 895 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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