Surf Forecasts:
How big are the waves at Plum Island today (19 Aug):
- Morning surf: Morning surf (19 Aug, local time) - 2ft (0.6m), 7s period with SE swell.
- Afternoon surf: Afternoon surf (19 Aug, local time) - 2ft (0.6m), 7s period with SE swell.
- Evening surf: Evening surf (19 Aug, local time) - 3.5ft (1.1m), 5s period with SSE swell.
The current surf forecast for Plum Island at 10AM is: 0.6m 7s primary swell from a Southeast direction and 0.4m 9s secondary swell from a Southeast direction (forecast issued at 07:00am August 19). An open ocean swell of 0.2m 2s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | 2ft (0.6m) | 7s |
| Afternoon (19 Aug) | 2ft (0.6m) | 7s |
| Evening (19 Aug) | 3.5ft (1.1m) | 5s |
Table - waves today at Plum Island. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 29°C on Wed afternoon, min 19°C on Wed morning). Wind will be generally light. | |||||||||||||||||||||||
Wednesday 19 | Thursday 20 | Friday 21 | |||||||||||||||||||||
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 7 | SE 7 | SE 7 | ESE 7 | SSE 5 | SE 6 | SE 6 | SE 6 | SE 8 | SE 8 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 48 | 30 | 29 | 36 | 29 | 59 | 45 | 45 | 31 | 50 | 46 | 37 | 35 | 34 | 40 | 38 | 40 | 30 | 39 | 38 | 38 | 37 | 36 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | off | glassy | cross | cross-off | off | off | off | off | off | cross-off | cross-on | cross-off | cross-off | off | cross-off | cross-off | cross | cross-on | on | cross-on | cross-on | cross |
High Tide | 5:10AM2.14m | 5:30PM2.31m | 6:04AM2.00m | 6:23PM2.24m | 7:03AM1.92m | 7:20PM2.21m | |||||||||||||||||
Low Tide | 11:59AM0.30m | 00:40AM0.21m | 12:55PM0.42m | 1:38AM0.27m | 1:53PM0.50m | ||||||||||||||||||
 |  | | | |  | | | |  | | |  | | | | | | | | | | | |
 | 5:52 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | — | — | — | — | 7:38 | — | — | — | — | — | — | — | 7:37 | — | — | — | — | — | — | — | 7:36 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 19 | 25 | 27 | 29 | 27 | 24 | 23 | 21 | 22 | 26 | 26 | 27 | 25 | 24 | 21 | 20 | 19 | 21 | 22 | 23 | 21 | 20 |
Feels °C | 21 | 21 | 25 | 26 | 28 | 26 | 24 | 23 | 21 | 22 | 26 | 25 | 26 | 24 | 22 | 18 | 18 | 17 | 19 | 19 | 19 | 19 | 19 |
Swell 1 Height (m) Direction Period (s) | SE 7 | SE 7 | SE 7 | SE 8 | ESE 7 | SE 6 | SE 6 | SE 6 | SE 6 | SE 8 | SE 8 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 |
| kJ | 48 | 30 | 29 | 18 | 29 | 39 | 45 | 45 | 31 | 50 | 46 | 37 | 35 | 34 | 40 | 38 | 40 | 30 | 39 | 38 | 38 | 37 | 36 |
Swell 2 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | ESE 8 | SE 8 | ESE 8 | — | — | SE 9 | E 9 | E 16 | — | E 8 | E 8 | E 15 | SE 14 | NE 3 | ENE 4 | SE 14 |
| kJ | 12 | 13 | 19 | 19 | 11 | 11 | 11 | 7 | 18 | 7 | — | — | 3 | 2 | 5 | — | 1 | 5 | 4 | 8 | 2 | 3 | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | E 16 | E 16 | E 15 | E 8 | E 15 | E 15 | E 15 | — | SE 14 | SE 14 | SE 13 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 5 | 5 | 1 | 4 | 4 | 4 | — | 8 | 8 | 7 |
Wind waves Height (m) Direction Period (s) | — | SSW 2 | — | SE 7 | SSE 3 | SSE 5 | WSW 3 | WSW 2 | — | — | — | — | SSE 2 | SSW 3 | SW 2 | — | — | NNE 3 | NE 4 | NE 4 | E 4 | — | E 4 |
| kJ | — | 1 | — | 36 | 2 | 59 | 1 | 1 | — | — | — | — | 1 | 1 | 1 | — | — | 3 | 6 | 5 | 1 | — | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 4 | 0 | 4 | 4 | 4 | 211 | 4 | 0 | 0 | 4 | 4 | 4 | 4 | 926 | 4 | 4 | 4 | 4 | 13 | 13 | 499 | 499 | 499 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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