Surf Forecasts:
How big are the waves at Plum Island today (20 Jun):
- Morning surf: Morning surf (20 Jun, local time) - 1ft (0.3m), 8s period with SSE swell.
- Afternoon surf: Afternoon surf (20 Jun, local time) - 0.5ft (0.2m), 8s period with SSE swell.
- Evening surf: Evening surf (20 Jun, local time) - 0.5ft (0.2m), 9s period with SSE swell.
The current surf forecast for Plum Island at 8AM is: 0.3m 8s primary swell from a South-southeast direction and 0.1m 13s secondary swell from a Southeast direction (forecast issued at 01:00am June 20). An open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jun) | 1ft (0.3m) | 8s |
| Afternoon (20 Jun) | 0.5ft (0.2m) | 8s |
| Evening (20 Jun) | 0.5ft (0.2m) | 9s |
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 33mm), heaviest during Mon night. Warm (max 23°C on Sat afternoon, min 14°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | ||||||||||||||||||||||
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) | SE 9 | SE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 10 | SE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 5 | SE 12 | SE 12 | SSE 7 | SSE 7 | SSE 7 | SE 11 | SE 11 | SE 4 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 19 | 18 | 14 | 7 | 7 | 7 | 6 | 10 | 15 | 8 | 8 | 7 | 7 | 6 | 6 | 3 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 18 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | cross-off | cross-off | off | off | off | off | off | off | cross-on | on | glassy | off | off | off | glassy | glassy | cross-off | cross-off | cross | on |
High Tide | 4:21AM2.69m | 5:04PM2.46m | 5:20AM2.51m | 6:01PM2.42m | 6:22AM2.34m | 7:00PM2.39m | ||||||||||||||||||
Low Tide | 11:20AM-0.09m | 11:45PM0.18m | 12:16PM0.02m | 00:47AM0.20m | 1:13PM0.11m | |||||||||||||||||||
 |  |  | |  |  |  | |  | | | | | | | | | | | | |  |  |  | |
 | — | 5:03 | — | — | — | — | — | — | — | 5:03 | — | — | — | — | — | — | — | 5:05 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:23 | — | — | — | — | — | — | — | 8:24 | — | — | — | — | — | — | — | 8:24 | — |
mm | — | — | — | — | — | — | 1 | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | 5 | 8 | 9 |
Temp °C | 18 | 17 | 18 | 21 | 23 | 23 | 19 | 17 | 15 | 14 | 17 | 22 | 21 | 20 | 21 | 19 | 18 | 16 | 17 | 21 | 21 | 16 | 15 | 14 |
Feels °C | 13 | 12 | 14 | 17 | 18 | 20 | 18 | 16 | 14 | 13 | 15 | 21 | 20 | 19 | 21 | 18 | 17 | 15 | 17 | 21 | 19 | 16 | 15 | 13 |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 10 | SE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 5 | SSE 5 | SSE 5 | SSE 7 | SSE 7 | SSE 7 | SE 6 | SE 6 | SE 11 |
| kJ | 19 | 18 | 14 | 7 | 7 | 7 | 6 | 10 | 15 | 8 | 8 | 7 | 7 | 6 | 6 | 3 | 3 | 3 | 5 | 5 | 4 | 2 | 2 | 5 |
Swell 2 Height (m) Direction Period (s) | SE 13 | SE 13 | SE 13 | SW 4 | SE 13 | SE 13 | SE 12 | SE 12 | SSE 10 | SE 12 | E 12 | E 12 | E 12 | SE 12 | S 3 | SE 7 | SE 7 | SE 7 | SE 12 | SE 11 | SE 11 | SE 11 | SE 11 | SE 9 |
| kJ | 7 | 7 | 7 | 1 | 7 | 6 | 6 | 6 | 9 | 6 | 3 | 3 | 3 | 6 | 1 | 2 | 2 | 2 | 5 | 5 | 5 | 5 | 5 | 3 |
Swell 3 Height (m) Direction Period (s) | E 7 | E 6 | E 6 | SE 13 | SE 13 | SW 4 | SE 10 | — | SE 12 | — | — | — | E 12 | SE 12 | SE 12 | — | SE 12 | SE 12 | — | — | — | S 9 | — | — |
| kJ | 1 | 1 | 1 | 7 | 7 | 1 | 4 | — | 6 | — | — | — | 3 | 6 | 6 | — | 6 | 5 | — | — | — | 2 | — | — |
Wind waves Height (m) Direction Period (s) | WSW 4 | WSW 4 | W 4 | W 4 | W 3 | NW 4 | NW 3 | WNW 3 | W 3 | W 3 | WSW 3 | — | — | — | — | — | — | — | — | — | — | SSE 3 | SSE 3 | SE 4 |
| kJ | 14 | 19 | 18 | 9 | 6 | 10 | 5 | 2 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 18 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 155 | 155 | 427 | 391 | 163 | 163 | 145 | 118 | 118 | 152 | 166 | 166 | 406 | 351 | 339 | 152 | 211 | 231 | 231 | 231 | 3519 | 1999 | 1891 | 2563 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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