Surf Forecasts:
How big are the waves at Plum Island today (13 Sep):
- Morning surf: Morning surf (13 Sep, local time) - 1.5ft (0.4m), 10s period with SE swell.
- Afternoon surf: Afternoon surf (13 Sep, local time) - 1.5ft (0.4m), 10s period with SE swell.
- Evening surf: Evening surf (13 Sep, local time) - 1.5ft (0.4m), 9s period with SE swell.
The current surf forecast for Plum Island at 8PM is: 0.4m 9s primary swell from a Southeast direction and 0.7m 4s secondary swell from a Southeast direction (forecast issued at 01:00pm September 13). The wind direction is predicted to be glassy.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Sep) | 1.5ft (0.4m) | 10s |
| Afternoon (13 Sep) | 1.5ft (0.4m) | 10s |
| Evening (13 Sep) | 1.5ft (0.4m) | 9s |
Table - waves today at Plum Island. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Sun afternoon. Warm (max 22°C on Mon afternoon, min 13°C on Mon night). Wind will be generally light. | |||||||||||||||||||||
Sun 13 | Monday 14 | Tuesday 15 | |||||||||||||||||||
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 10 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 7 | SE 8 | ESE 8 | SE 8 | NNE 5 | NNE 5 | NE 5 | NE 5 | NE 5 | ENE 6 | ENE 6 | ENE 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 24 | 24 | 27 | 22 | 22 | 22 | 21 | 21 | 37 | 21 | 48 | 39 | 28 | 94 | 38 | 25 | 30 | 18 | 21 | 18 | 11 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | glassy | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross |
High Tide | 1:55PM2.63m | 2:19AM2.50m | 2:36PM2.56m | 3:02AM2.36m | 3:16PM2.48m | ||||||||||||||||
Low Tide | 8:16AM-0.11m | 8:41PM-0.15m | 8:59AM0.00m | 9:28PM-0.08m | 9:44AM0.14m | 10:16PM0.02m | |||||||||||||||
 |  | |  | | |  |  | | | |  | | | | | | | | | | |
 | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | — | — | 6:57 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:52 | — | — |
mm | 2 | 10 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 19 | 19 | 19 | 20 | 19 | 19 | 17 | 19 | 21 | 22 | 17 | 16 | 14 | 13 | 13 | 13 | 14 | 15 | 14 | 14 |
Feels °C | 18 | 20 | 21 | 22 | 22 | 20 | 18 | 15 | 14 | 15 | 17 | 12 | 13 | 11 | 10 | 10 | 10 | 12 | 13 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | SE 4 | SE 4 | SE 5 | SE 5 | SE 9 | SE 9 | SE 7 | SE 8 | ESE 8 | SE 8 | SE 7 | SE 7 | ESE 9 | ESE 9 | NE 5 | ENE 6 | ENE 6 | ENE 5 |
| kJ | 24 | 24 | 23 | 18 | 20 | 22 | 18 | 21 | 37 | 21 | 48 | 39 | 28 | 27 | 18 | 8 | 8 | 18 | 21 | 18 | 11 |
Swell 2 Height (m) Direction Period (s) | — | — | — | SE 9 | SE 9 | SE 9 | SE 9 | SE 5 | — | SE 8 | — | W 4 | E 15 | E 15 | E 15 | SE 7 | SE 7 | SSE 7 | SE 9 | SE 9 | ESE 9 |
| kJ | — | — | — | 22 | 22 | 21 | 21 | 7 | — | 18 | — | 1 | 4 | 4 | 4 | 7 | 7 | 5 | 13 | 13 | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | E 4 | E 4 | E 4 | — | — | — | — | — | — | — | E 15 | E 15 | ESE 9 | E 15 | E 14 | SE 14 |
| kJ | — | — | — | — | — | 3 | 1 | 1 | — | — | — | — | — | — | — | 4 | 4 | 8 | 4 | 4 | 8 |
Wind waves Height (m) Direction Period (s) | SSE 4 | SSE 4 | SE 4 | — | — | — | WSW 3 | WNW 3 | NNW 4 | NNW 4 | NNW 3 | NNW 3 | NNE 4 | NNE 5 | NNE 5 | NE 5 | NE 5 | — | — | — | SSE 2 |
| kJ | 13 | 22 | 27 | — | — | — | 1 | 6 | 18 | 8 | 8 | 7 | 25 | 94 | 38 | 25 | 30 | — | — | — | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 337 | 211 | 145 | 4 | 4 | 4 | 54 | 316 | 865 | 211 | 231 | 54 | 9 | 20 | 626 | 633 | 626 | 626 | 627 | 920 | 113 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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