Surf Forecasts:
How big are the waves at Plum Island today (19 Jul):
- Morning surf: Morning surf (19 Jul, local time) - 2.5ft (0.7m), 6s period with SSE swell.
- Afternoon surf: Afternoon surf (19 Jul, local time) - 1.5ft (0.4m), 7s period with SSE swell.
- Evening surf: Evening surf (19 Jul, local time) - 1.5ft (0.4m), 7s period with SE swell.
The current surf forecast for Plum Island at 1AM is: 1.2m 6s primary swell from a South direction and 0.2m 13s secondary swell from a East-southeast direction, 0.1m 13s secondary swell from a Southeast direction (forecast issued at 07:00pm July 18). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Jul) | 2.5ft (0.7m) | 6s |
| Afternoon (19 Jul) | 1.5ft (0.4m) | 7s |
| Evening (19 Jul) | 1.5ft (0.4m) | 7s |
Table - waves today at Plum Island. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 13mm), heaviest on Sat night. Warm (max 26°C on Sun afternoon, min 17°C on Sun night). Winds decreasing (fresh winds from the SSW on Sat night, light winds from the SSE by Mon afternoon). | |||||||||||||||||||
Sat 18 | Sunday 19 | Monday 20 | |||||||||||||||||
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) | S 5 | S 6 | S 6 | S 6 | SSE 6 | SSE 6 | SSE 6 | SSE 7 | SE 7 | SE 7 | SE 8 | SSE 8 | SE 8 | SE 8 | SSE 8 | SE 9 | SSE 3 | SSE 4 | S 5 |
Wave Graph  | |||||||||||||||||||
 kJ | 117 | 152 | 125 | 78 | 73 | 45 | 23 | 17 | 14 | 13 | 15 | 13 | 16 | 10 | 7 | 19 | 6 | 22 | 51 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | cross-off | cross | cross | cross | cross-off |
High Tide | 3:42PM2.55m | 3:59AM2.60m | 4:33PM2.50m | 4:52AM2.41m | 5:24PM2.43m | ||||||||||||||
Low Tide | 10:22PM0.04m | 10:51AM-0.08m | 11:19PM0.09m | 11:43AM0.05m | |||||||||||||||
 | |  |  |  |  | | | | | | | | | |  | | |  | |
 | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — |
 | — | 8:16 | — | — | — | — | — | — | — | 8:16 | — | — | — | — | — | — | — | 8:15 | — |
mm | 5 | 4 | 4 | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 20 | 20 | 22 | 21 | 18 | 21 | 24 | 26 | 23 | 19 | 18 | 17 | 19 | 24 | 25 | 25 | 23 | 21 |
Feels °C | 17 | 17 | 19 | 22 | 20 | 13 | 16 | 20 | 22 | 20 | 16 | 14 | 13 | 16 | 22 | 23 | 20 | 18 | 17 |
Swell 1 Height (m) Direction Period (s) | ESE 13 | E 13 | E 13 | ESE 13 | SSE 6 | SSE 6 | SSE 6 | SSE 7 | SE 7 | SE 7 | SE 8 | SSE 8 | SE 8 | SE 8 | SSE 5 | E 12 | E 12 | E 12 | E 12 |
| kJ | 17 | 3 | 3 | 17 | 73 | 45 | 23 | 17 | 14 | 13 | 15 | 13 | 16 | 10 | 3 | 3 | 3 | 3 | 3 |
Swell 2 Height (m) Direction Period (s) | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | E 13 | E 13 | SE 13 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | SSE 8 | SE 12 | SE 12 | SE 12 | SE 12 |
| kJ | 7 | 7 | 7 | 7 | 7 | 3 | 3 | 7 | 3 | 3 | 3 | 3 | 3 | 3 | 7 | 6 | 6 | 6 | 6 |
Swell 3 Height (m) Direction Period (s) | E 8 | — | — | — | SE 13 | SE 13 | SE 13 | S 12 | SE 13 | SE 13 | SE 6 | SE 6 | SE 12 | SE 12 | — | — | SE 12 | — | — |
| kJ | 1 | — | — | — | 7 | 7 | 7 | 3 | 7 | 6 | 2 | 1 | 6 | 6 | — | — | 6 | — | — |
Wind waves Height (m) Direction Period (s) | S 5 | S 6 | S 6 | S 6 | WSW 3 | WNW 3 | NW 3 | NW 3 | NW 3 | NW 3 | NNW 3 | NW 3 | NW 3 | NW 3 | W 3 | SE 9 | SSE 3 | SSE 4 | S 5 |
| kJ | 117 | 152 | 125 | 78 | 4 | 7 | 9 | 7 | 5 | 2 | 4 | 2 | 2 | 2 | 1 | 19 | 5 | 22 | 51 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 3599 | 448 | 865 | 627 | 0 | 13 | 54 | 146 | 152 | 145 | 152 | 152 | 146 | 146 | 166 | 182 | 499 | 166 | 499 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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