Surf Forecasts:
How big are the waves at Plum Island today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 1.5ft (0.5m), 8s period with E swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 1.5ft (0.5m), 7s period with E swell.
- Evening surf: Evening surf (17 Sep, local time) - 1.5ft (0.5m), 7s period with E swell.
The current surf forecast for Plum Island at 4AM is: 0.5m 8s primary swell from a East direction and 0.3m 4s secondary swell from a South direction (forecast issued at 07:00pm September 16). The wind direction is predicted to be glassy.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 1.5ft (0.5m) | 8s |
| Afternoon (17 Sep) | 1.5ft (0.5m) | 7s |
| Evening (17 Sep) | 1.5ft (0.5m) | 7s |
Table - waves today at Plum Island. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Thu night. Warm (max 24°C on Fri afternoon, min 9°C on Sat morning). Wind will be generally light. | |||||||||||||||||||
Wed 16 | Thursday 17 | Friday 18 | |||||||||||||||||
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) | ESE 9 | ESE 8 | ESE 7 | ESE 8 | E 8 | E 8 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 16 | 11 | 18 | 19 | 29 | 29 | 28 | 27 | 26 | 25 | 24 | 26 | 27 | 26 | 27 | 15 | 18 | 18 | 19 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | glassy | glassy | glassy | glassy | cross-on | on | glassy | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 4:00PM2.38m | 4:33AM2.08m | 4:46PM2.30m | 5:23AM1.98m | 5:38PM2.23m | ||||||||||||||
Low Tide | 11:07PM0.15m | 11:21AM0.44m | 00:03AM0.27m | 12:17PM0.55m | |||||||||||||||
 |  | | |  |  | |  | |  | | | | | | | | | | |
 | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | 6:52 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:47 | — | — |
mm | — | — | — | — | — | — | — | — | — | 4 | 3 | 2 | — | — | — | — | — | — | — |
Temp °C | 24 | 23 | 22 | 21 | 19 | 18 | 20 | 23 | 22 | 19 | 18 | 18 | 19 | 19 | 22 | 24 | 23 | 19 | 15 |
Feels °C | 23 | 22 | 22 | 22 | 20 | 20 | 21 | 23 | 23 | 21 | 19 | 20 | 21 | 19 | 20 | 20 | 19 | 14 | 12 |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 8 | ESE 7 | SSE 4 | E 8 | E 8 | E 7 | E 7 | E 7 | SSE 4 | SSE 4 | SSE 4 | E 7 | E 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 |
| kJ | 16 | 11 | 18 | 5 | 29 | 29 | 28 | 27 | 26 | 12 | 11 | 7 | 27 | 26 | 27 | 15 | 18 | 18 | 19 |
Swell 2 Height (m) Direction Period (s) | SE 13 | SE 10 | ESE 13 | ESE 8 | S 4 | ESE 13 | ESE 13 | E 12 | E 12 | E 7 | E 7 | E 7 | SSE 4 | SSE 4 | SSE 4 | ESE 12 | ESE 12 | ESE 12 | ESE 12 |
| kJ | 7 | 4 | 17 | 19 | 2 | 16 | 16 | 12 | 12 | 25 | 24 | 26 | 3 | 3 | 2 | 14 | 14 | 14 | 13 |
Swell 3 Height (m) Direction Period (s) | E 14 | SE 13 | SE 13 | ESE 13 | ESE 13 | S 3 | E 13 | SE 12 | SE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | SSE 4 | S 4 | SE 8 | SE 8 |
| kJ | 4 | 7 | 7 | 17 | 17 | 1 | 13 | 6 | 6 | 15 | 15 | 15 | 15 | 14 | 14 | 2 | 1 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | SSE 3 | SSE 4 | S 4 | — | — | — | — | — | SE 3 | S 4 | S 4 | S 4 | — | — | — | — | NW 2 | NW 3 | N 3 |
| kJ | 7 | 11 | 12 | — | — | — | — | — | 2 | 21 | 17 | 7 | — | — | — | — | 2 | 5 | 6 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1276 | 499 | 4 | 110 | 4 | 4 | 4 | 863 | 863 | 0 | 0 | 4 | 4 | 4 | 231 | 231 | 231 | 499 | 507 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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