
Surf Forecasts:
How big are the waves at Plum Island today (21 Jun):
- Morning surf: Morning surf (21 Jun, local time) - 0.5ft (0.2m), 9s period with SSE swell.
- Afternoon surf: Afternoon surf (21 Jun, local time) - 0.5ft (0.2m), 8s period with SSE swell.
- Evening surf: Evening surf (21 Jun, local time) - 0.5ft (0.2m), 8s period with SSE swell.
The current surf forecast for Plum Island at 9PM is: 0.2m 8s primary swell from a South-southeast direction and 0.1m 12s secondary swell from a Southeast direction (forecast issued at 01:00pm June 21). The wind direction is predicted to be glassy.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jun) | 0.5ft (0.2m) | 9s |
| Afternoon (21 Jun) | 0.5ft (0.2m) | 8s |
| Evening (21 Jun) | 0.5ft (0.2m) | 8s |
Table - waves today at Plum Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 32mm), heaviest during Mon night. Warm (max 24°C on Sun afternoon, min 14°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 21 | Monday 22 | Tuesday 23 | Wed 24 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | |
Swell Height Map | ||||||||||||||||||||||||
Wave Height (m) Direction Period (s) | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SE 12 | SE 12 | SE 12 | SE 12 | SSE 7 | SSE 7 | SSE 6 | SSE 6 | SE 3 | SSE 4 | SSE 5 | SE 5 | SE 5 | SE 5 | SE 5 | SSE 5 | SE 5 | SE 7 | SE 7 | SE 6 |
Wave Graph | ||||||||||||||||||||||||
8 | 7 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 10 | 28 | 23 | 22 | 23 | 14 | 10 | 7 | 8 | 35 | 30 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross | on | glassy | off | off | off | glassy | glassy | cross-off | glassy | on | cross-on | cross-on | cross-on | cross-off | cross | cross | cross-on | cross-on | glassy | off | cross-off | off |
High Tide | 6:01PM2.42m | 6:22AM2.34m | 7:00PM2.39m | 7:25AM2.20m | 7:57PM2.37m | |||||||||||||||||||
Low Tide | 12:16PM0.02m | 00:47AM0.20m | 1:13PM0.11m | 1:48AM0.18m | 2:08PM0.20m | 2:46AM0.15m | ||||||||||||||||||
— | — | — | — | — | — | 5:05 | — | — | — | — | — | — | — | 5:05 | — | — | — | — | — | — | — | 5:05 | — | |
— | — | — | 8:24 | — | — | — | — | — | — | — | 8:24 | — | — | — | — | — | — | — | 8:24 | — | — | — | 8:24 | |
mm | — | — | — | — | — | — | — | — | — | — | 3 | 12 | 6 | 2 | 2 | 4 | 1 | 1 | 1 | — | — | — | — | — |
Temp °C | 23 | 24 | 21 | 21 | 20 | 19 | 18 | 18 | 21 | 22 | 16 | 15 | 14 | 14 | 16 | 16 | 15 | 16 | 17 | 17 | 16 | 16 | 17 | 18 |
Feels °C | 21 | 23 | 20 | 21 | 19 | 18 | 17 | 18 | 21 | 20 | 17 | 15 | 12 | 13 | 16 | 16 | 14 | 15 | 17 | 17 | 16 | 16 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 7 | SSE 7 | SSE 6 | SSE 6 | SE 6 | S 6 | SE 11 | SE 5 | SE 8 | SE 5 | SE 5 | SSE 5 | SE 5 | ESE 5 | SE 7 | SE 6 |
8 | 7 | 6 | 6 | 2 | 2 | 2 | 2 | 5 | 4 | 4 | 4 | 2 | 1 | 5 | 23 | 3 | 23 | 14 | 10 | 7 | 4 | 35 | 30 | |
Swell 2 Height (m) Direction Period (s) | E 12 | — | — | SE 12 | SE 8 | SE 7 | SE 7 | SE 7 | SE 11 | SE 11 | — | SE 11 | SE 11 | SE 11 | — | SE 9 | E 11 | SE 8 | SE 8 | ESE 4 | ESE 5 | SE 5 | — | — |
3 | — | — | 6 | 2 | 2 | 2 | 2 | 5 | 5 | — | 5 | 5 | 5 | — | 3 | 2 | 3 | 3 | 4 | 4 | 7 | — | — | |
Swell 3 Height (m) Direction Period (s) | E 12 | E 12 | E 12 | — | SE 12 | SE 12 | SE 12 | SE 12 | — | — | SE 11 | — | — | SE 8 | — | SE 11 | — | E 11 | E 11 | E 11 | E 11 | SE 7 | — | — |
3 | 3 | 3 | — | 6 | 6 | 5 | 5 | — | — | 5 | — | — | 2 | — | 5 | — | 2 | 2 | 2 | 2 | 8 | — | — | |
Wind waves Height (m) Direction Period (s) | WSW 2 | — | — | — | — | — | — | — | — | — | — | — | SE 3 | SSE 4 | SSE 5 | — | SE 5 | — | — | NNE 3 | NNE 3 | NNE 3 | NNE 3 | NNE 3 |
1 | — | — | — | — | — | — | — | — | — | — | — | 3 | 10 | 28 | — | 22 | — | — | 1 | 2 | 2 | 2 | 1 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 166 | 626 | 258 | 448 | 146 | 169 | 231 | 633 | 3352 | 2736 | 354 | 3552 | 1282 | 373 | 324 | 166 | 166 | 145 | 152 | 170 | 177 | 146 | 118 | 118 |
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)










