Surf Forecasts:
How big are the waves at Plum Island today (10 Sep):
- Morning surf: Morning surf (10 Sep, local time) - 3ft (0.9m), 6s period with SSE swell.
- Afternoon surf: Afternoon surf (10 Sep, local time) - 1.5ft (0.5m), 6s period with S swell.
- Evening surf: Evening surf (10 Sep, local time) - 1ft (0.3m), 10s period with SE swell.
The current surf forecast for Plum Island at 9PM is: 0.3m 10s primary swell from a Southeast direction and 0.4m 7s secondary swell from a Southeast direction (forecast issued at 01:00pm September 10). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Sep) | 3ft (0.9m) | 6s |
| Afternoon (10 Sep) | 1.5ft (0.5m) | 6s |
| Evening (10 Sep) | 1ft (0.3m) | 10s |
Table - waves today at Plum Island. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 24mm), heaviest during Sun morning. Warm (max 29°C on Thu afternoon, min 16°C on Fri morning). Wind will be generally light. | |||||||||||||||||||||
Thu 10 | Friday 11 | Saturday 12 | |||||||||||||||||||
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) | S 6 | S 6 | SSE 7 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 | SE 11 | SE 11 | SE 10 | ESE 10 | ESE 10 | ESE 10 | SSE 3 | S 4 | S 4 |
Wave Graph  | |||||||||||||||||||||
 kJ | 36 | 15 | 20 | 14 | 14 | 15 | 24 | 15 | 15 | 15 | 16 | 18 | 18 | 18 | 17 | 9 | 9 | 9 | 10 | 38 | 31 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | glassy | cross-on | cross-on | cross | cross-off |
High Tide | 11:43AM2.56m | 00:02AM2.77m | 12:30PM2.63m | 00:50AM2.72m | 1:14PM2.65m | ||||||||||||||||
Low Tide | 6:17PM-0.06m | 6:46AM-0.20m | 7:06PM-0.14m | 7:32AM-0.18m | 7:54PM-0.17m | ||||||||||||||||
 |  | |  | |  | | | | | |  | | | | | | | | | | |
 | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | 7:01 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 6:59 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 29 | 29 | 24 | 21 | 19 | 18 | 16 | 19 | 22 | 24 | 21 | 19 | 16 | 16 | 16 | 19 | 21 | 20 | 21 | 20 |
Feels °C | 24 | 24 | 26 | 21 | 19 | 17 | 15 | 11 | 14 | 17 | 20 | 18 | 17 | 14 | 14 | 14 | 18 | 18 | 17 | 18 | 18 |
Swell 1 Height (m) Direction Period (s) | S 6 | S 6 | SSE 7 | SE 7 | SE 7 | SSE 6 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 | SE 11 | SE 11 | SE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SE 10 |
| kJ | 36 | 15 | 20 | 11 | 11 | 8 | 24 | 15 | 15 | 15 | 16 | 18 | 18 | 18 | 17 | 9 | 9 | 9 | 9 | 9 | 15 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | ESE 10 | ESE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SSE 6 | SSE 6 | NW 3 | NNE 4 | NE 4 | — | — | — | SSE 6 | SSE 6 | — | — | — | — |
| kJ | 9 | 9 | 9 | 14 | 14 | 15 | 15 | 4 | 4 | 1 | 2 | 1 | — | — | — | 4 | 4 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | E 8 | SSE 7 | E 8 | E 8 | E 8 | SE 10 | — | S 9 | — | NE 4 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 5 | 1 | 1 | 1 | 15 | — | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 4 | WSW 3 | W 3 | W 3 | W 3 | WNW 3 | NW 3 | NW 3 | NW 3 | — | — | WNW 2 | — | — | — | — | — | SSE 2 | SSE 3 | S 4 | S 4 |
| kJ | 8 | 7 | 8 | 5 | 5 | 3 | 4 | 9 | 5 | — | — | 1 | — | — | — | — | — | 1 | 10 | 38 | 31 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 9 | 354 | 54 | 145 | 166 | 166 | 166 | 170 | 177 | 231 | 499 | 211 | 211 | 231 | 895 | 895 | 1276 | 1282 | 1282 | 926 | 14 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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