Surf Forecasts:
How big are the waves at Plum Island today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 1.5ft (0.5m), 7s period with E swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 1.5ft (0.4m), 7s period with ESE swell.
- Evening surf: Evening surf (18 Sep, local time) - 1.5ft (0.4m), 7s period with ESE swell.
The current surf forecast for Plum Island at 7AM is: 0.5m 7s primary swell from a East direction and 0.3m 4s secondary swell from a South-southeast direction, 0.3m 3s secondary swell from a North direction (forecast issued at 01:00am September 18). The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 1.5ft (0.5m) | 7s |
| Afternoon (18 Sep) | 1.5ft (0.4m) | 7s |
| Evening (18 Sep) | 1.5ft (0.4m) | 7s |
Table - waves today at Plum Island. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Sun night. Warm (max 25°C on Fri afternoon, min 10°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | ||||||||||||||||||||||
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 | 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 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | NE 5 | NNE 6 | NE 5 | NE 5 | NE 6 | ESE 8 | ESE 8 | ESE 8 | SE 8 | SE 8 | SE 8 | ESE 11 | ESE 11 | SE 11 | SE 11 | ESE 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 26 | 27 | 26 | 27 | 15 | 18 | 18 | 19 | 124 | 143 | 62 | 56 | 75 | 23 | 23 | 23 | 15 | 15 | 16 | 23 | 22 | 29 | 29 | 28 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-on | on |
High Tide | 5:23AM1.98m | 5:38PM2.23m | 6:18AM1.92m | 6:35PM2.19m | 7:19AM1.91m | 7:35PM2.21m | ||||||||||||||||||
Low Tide | 00:03AM0.27m | 12:17PM0.55m | 1:01AM0.36m | 1:15PM0.61m | 1:59AM0.40m | 2:14PM0.62m | ||||||||||||||||||
 |  |  |  | | |  | | |  | |  | | | | | | | | | | | | | |
 | — | 6:24 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 |
Temp °C | 18 | 18 | 18 | 23 | 23 | 25 | 20 | 16 | 14 | 11 | 10 | 12 | 13 | 14 | 13 | 13 | 13 | 12 | 12 | 15 | 15 | 14 | 11 | 11 |
Feels °C | 19 | 19 | 19 | 23 | 22 | 21 | 16 | 13 | 9 | 5 | 5 | 8 | 9 | 10 | 9 | 10 | 10 | 10 | 10 | 11 | 13 | 12 | 9 | 10 |
Swell 1 Height (m) Direction Period (s) | SSE 4 | SSE 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 | SE 8 | SE 8 | SE 8 | ESE 7 | ESE 11 | SE 11 | SE 4 | ESE 8 |
| kJ | 19 | 11 | 26 | 27 | 15 | 18 | 18 | 19 | 22 | 14 | 21 | 21 | 36 | 21 | 13 | 23 | 15 | 15 | 16 | 10 | 22 | 29 | 3 | 28 |
Swell 2 Height (m) Direction Period (s) | E 7 | 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 | ENE 5 | E 4 | ESE 11 | ESE 11 | ESE 7 | ESE 7 | SE 11 | SE 4 |
| kJ | 26 | 27 | 3 | 3 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 24 | 23 | 23 | 6 | 5 | 4 | 11 | 23 | 5 | 5 | 29 | 2 |
Swell 3 Height (m) Direction Period (s) | ESE 12 | ESE 12 | ESE 12 | ESE 12 | SSE 4 | NNE 3 | SE 8 | SE 8 | — | — | E 11 | — | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | NE 5 | — | SE 8 | E 9 | ESE 8 | SE 7 |
| kJ | 15 | 15 | 14 | 14 | 2 | 1 | 3 | 3 | — | — | 10 | — | 13 | 12 | 12 | 12 | 12 | 12 | 1 | — | 3 | 6 | 13 | 2 |
Wind waves Height (m) Direction Period (s) | — | NNW 2 | N 3 | N 3 | — | N 3 | NNW 3 | N 3 | NE 5 | NNE 6 | NE 5 | NE 5 | NE 6 | — | — | SE 3 | S 3 | S 3 | ESE 3 | SE 3 | SSE 3 | SSE 4 | — | SE 4 |
| kJ | — | 1 | 1 | 2 | — | 1 | 3 | 8 | 124 | 143 | 62 | 56 | 75 | — | — | 2 | 1 | 1 | 1 | 2 | 6 | 7 | — | 3 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 13 | 13 | 54 | 231 | 231 | 499 | 507 | 507 | 27 | 13 | 81 | 81 | 1282 | 1282 | 4 | 1099 | 926 | 926 | 926 | 926 | 4 | 865 | 833 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Plum Island surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest