Surf Forecasts:
How big are the waves at Plum Island today (17 Sep):
- 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 10PM is: 0.5m 7s primary swell from a East direction and 0.2m 12s secondary swell from a East-southeast direction, 0.7m 4s secondary swell from a South-southeast direction (forecast issued at 07:00pm September 17). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | - | - |
| 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 25°C on Fri afternoon, min 10°C on Sat morning). Wind will be generally light. | |||||||||||||||||||
Thu 17 | Friday 18 | Saturday 19 | |||||||||||||||||
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) | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | NE 6 | NNE 6 | NE 5 | NE 6 | NE 6 | ESE 8 | ESE 8 | ESE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 26 | 25 | 24 | 26 | 27 | 26 | 27 | 15 | 18 | 18 | 19 | 154 | 202 | 85 | 72 | 86 | 23 | 23 | 23 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-on | on | cross-on | cross-on | cross |
High Tide | 4:46PM2.30m | 5:23AM1.98m | 5:38PM2.23m | 6:18AM1.92m | 6:35PM2.19m | ||||||||||||||
Low Tide | 00:03AM0.27m | 12:17PM0.55m | 1:01AM0.36m | 1:15PM0.61m | |||||||||||||||
 |  | | | |  | | | |  |  | | |  | | | | | | |
 | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | 6:50 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:45 | — | — |
mm | — | 3 | 4 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 21 | 20 | 19 | 19 | 19 | 22 | 23 | 25 | 20 | 16 | 14 | 11 | 10 | 12 | 13 | 13 | 13 | 14 |
Feels °C | 23 | 23 | 20 | 20 | 21 | 20 | 22 | 22 | 21 | 15 | 13 | 9 | 5 | 5 | 8 | 9 | 8 | 9 | 11 |
Swell 1 Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 7 | S 4 | E 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | SE 8 | ESE 8 | ESE 8 | NE 6 | NE 5 | ENE 5 | ESE 8 |
| kJ | 26 | 25 | 24 | 26 | 9 | 26 | 27 | 15 | 18 | 18 | 19 | 25 | 16 | 26 | 25 | 44 | 21 | 13 | 23 |
Swell 2 Height (m) Direction Period (s) | E 12 | ESE 12 | ESE 12 | ESE 12 | E 7 | SSE 4 | SSE 4 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 8 | ESE 8 | ESE 8 | NE 5 |
| kJ | 12 | 15 | 15 | 15 | 27 | 5 | 3 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 24 | 23 | 23 | 6 |
Swell 3 Height (m) Direction Period (s) | SE 12 | SE 12 | SE 12 | E 6 | ESE 12 | ESE 12 | ESE 12 | SSE 4 | SSE 4 | — | SE 8 | — | E 11 | E 11 | — | ESE 11 | ESE 11 | ESE 11 | ESE 11 |
| kJ | 6 | 6 | 6 | 7 | 15 | 14 | 14 | 2 | 1 | — | 3 | — | 10 | 10 | — | 13 | 12 | 12 | 12 |
Wind waves Height (m) Direction Period (s) | SE 3 | SSE 4 | SSE 4 | S 4 | S 4 | — | — | — | — | NNW 3 | N 3 | NE 6 | NNE 6 | NE 5 | NE 6 | NE 6 | — | — | SSE 2 |
| kJ | 2 | 10 | 17 | 13 | 11 | — | — | — | — | 3 | 5 | 154 | 202 | 85 | 72 | 86 | — | — | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 863 | 4 | 4 | 0 | 0 | 13 | 211 | 231 | 231 | 507 | 54 | 507 | 27 | 27 | 81 | 81 | 1282 | 1282 | 4 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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