Surf Forecasts:
How big are the waves at Plum Island today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 2ft (0.6m), 8s period with SE swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 2ft (0.6m), 7s period with ESE swell.
- Evening surf: Evening surf (20 Aug, local time) - 2ft (0.6m), 7s period with ESE swell.
The current surf forecast for Plum Island at 1PM is: 0.6m 8s primary swell from a East-southeast direction (forecast issued at 07:00am August 20). The wind direction is predicted to be onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 2ft (0.6m) | 8s |
| Afternoon (20 Aug) | 2ft (0.6m) | 7s |
| Evening (20 Aug) | 2ft (0.6m) | 7s |
Table - waves today at Plum Island. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sat afternoon. Warm (max 26°C on Thu morning, min 16°C on Sat night). Wind will be generally light. | |||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||||||||
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 8 | SE 8 | SE 8 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | SE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ENE 4 | ESE 5 | ESE 6 | ESE 6 | ESE 5 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 32 | 50 | 46 | 37 | 35 | 34 | 40 | 39 | 35 | 28 | 39 | 39 | 38 | 37 | 36 | 36 | 35 | 35 | 34 | 45 | 57 | 47 | 29 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | glassy | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-on | on | cross-on | cross-on | glassy | cross-off | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross |
High Tide | 6:04AM2.00m | 6:23PM2.24m | 7:03AM1.92m | 7:20PM2.21m | 8:05AM1.89m | 8:19PM2.22m | |||||||||||||||||
Low Tide | 12:55PM0.42m | 1:38AM0.27m | 1:53PM0.50m | 2:37AM0.30m | 2:49PM0.53m | ||||||||||||||||||
 |  |  | |  |  | | | | | | | | | | | | | | |  |  | | |
 | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | — | 7:37 | — | — | — | — | — | — | — | 7:36 | — | — | — | — | — | — | — | 7:35 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — |
Temp °C | 22 | 22 | 26 | 26 | 25 | 24 | 19 | 21 | 19 | 18 | 20 | 20 | 21 | 20 | 20 | 19 | 18 | 18 | 19 | 18 | 17 | 17 | 17 |
Feels °C | 22 | 22 | 26 | 25 | 24 | 24 | 17 | 20 | 17 | 16 | 17 | 17 | 19 | 19 | 20 | 18 | 17 | 16 | 16 | 15 | 16 | 16 | 15 |
Swell 1 Height (m) Direction Period (s) | SE 6 | SE 8 | SE 8 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | SE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 5 | ESE 6 | ESE 6 | ESE 5 |
| kJ | 22 | 50 | 46 | 37 | 35 | 34 | 40 | 39 | 35 | 28 | 39 | 39 | 38 | 37 | 36 | 36 | 35 | 35 | 20 | 45 | 57 | 47 | 29 |
Swell 2 Height (m) Direction Period (s) | SE 8 | ESE 8 | — | — | SE 9 | SSE 3 | E 16 | E 8 | E 7 | E 7 | E 15 | SE 14 | SE 14 | SE 14 | SE 14 | ESE 14 | ESE 14 | ESE 13 | ESE 13 | ESE 8 | ESE 13 | ESE 13 | ESE 8 |
| kJ | 32 | 7 | — | — | 3 | 1 | 5 | 1 | 4 | 4 | 4 | 8 | 8 | 8 | 8 | 18 | 18 | 18 | 17 | 20 | 17 | 17 | 11 |
Swell 3 Height (m) Direction Period (s) | — | — | — | E 16 | E 16 | E 9 | E 15 | E 15 | E 15 | E 15 | — | E 14 | E 14 | — | SE 13 | E 14 | E 14 | E 13 | SE 9 | ESE 13 | SE 9 | E 8 | ESE 13 |
| kJ | — | — | — | 5 | 5 | 2 | 5 | 4 | 4 | 4 | — | 4 | 4 | — | 7 | 4 | 4 | 4 | 3 | 17 | 3 | 5 | 16 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SSE 2 | — | — | — | — | NNE 3 | NE 4 | NE 4 | NE 4 | NE 4 | ENE 4 | ENE 3 | NE 3 | ENE 4 | ENE 4 | NE 4 | NE 4 | NNE 4 | NE 4 |
| kJ | — | — | — | — | 1 | — | — | — | — | 3 | 10 | 10 | 7 | 3 | 2 | 1 | 6 | 19 | 34 | 14 | 8 | 6 | 4 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 4 | 4 | 4 | 926 | 4 | 113 | 4 | 4 | 13 | 13 | 499 | 926 | 499 | 499 | 4 | 9 | 13 | 627 | 854 | 1282 | 319 | 319 | 110 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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