Surf Forecasts:
How big are the waves at Plum Island today (31 Jul):
- Morning surf: Morning surf (31 Jul, local time) - 1.5ft (0.5m), 10s period with SE swell.
- Afternoon surf: Afternoon surf (31 Jul, local time) - 1.5ft (0.5m), 9s period with SE swell.
- Evening surf: Evening surf (31 Jul, local time) - 1.5ft (0.4m), 9s period with SE swell.
The current surf forecast for Plum Island at 2PM is: 0.5m 9s primary swell from a Southeast direction and 0.6m 6s secondary swell from a East direction (forecast issued at 01:00am July 31). The wind direction is predicted to be onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | 1.5ft (0.5m) | 10s |
| Afternoon (31 Jul) | 1.5ft (0.5m) | 9s |
| Evening (31 Jul) | 1.5ft (0.4m) | 9s |
Table - waves today at Plum Island. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Sun afternoon, min 18°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||||||
Friday 31 | Saturday 1 | Sunday 2 | ||||||||||||||||||||||
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 6 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 8 | SE 9 | SE 7 | SE 9 | S 4 | S 5 | SE 9 | SE 9 | SSE 4 | SSE 5 | SSE 5 | SSE 4 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 78 | 50 | 46 | 46 | 42 | 40 | 28 | 28 | 28 | 29 | 29 | 27 | 16 | 12 | 14 | 12 | 18 | 15 | 12 | 12 | 17 | 65 | 75 | 34 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | glassy | glassy | on | cross | cross-off | cross-off | off | cross-off | cross | cross-on | on | on | cross-on | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross | cross | cross-off |
High Tide | 1:15AM2.59m | 1:43PM2.36m | 1:52AM2.60m | 2:20PM2.44m | 2:32AM2.59m | 2:59PM2.51m | ||||||||||||||||||
Low Tide | 8:14AM0.07m | 8:20PM0.28m | 8:47AM0.06m | 8:57PM0.23m | 9:20AM0.07m | 9:36PM0.19m | ||||||||||||||||||
 | |  | | |  |  | | | | | | | | |  | | | | | | | | | |
 | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:05 | — | — | — | — | — | — | — | 8:04 | — | — | — | — | — | — | — | 8:02 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 18 | 18 | 20 | 21 | 22 | 22 | 22 | 21 | 19 | 18 | 20 | 21 | 21 | 22 | 22 | 21 | 20 | 21 | 25 | 27 | 27 | 25 | 22 |
Feels °C | 18 | 18 | 19 | 21 | 20 | 20 | 22 | 22 | 22 | 20 | 18 | 21 | 21 | 21 | 23 | 23 | 21 | 21 | 22 | 24 | 25 | 24 | 24 | 22 |
Swell 1 Height (m) Direction Period (s) | E 6 | ENE 6 | E 6 | E 6 | E 6 | E 6 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 8 | SE 7 | SE 7 | SE 9 | SE 9 | SE 7 | SE 7 | SE 7 | — | — | ESE 9 | ESE 9 |
| kJ | 78 | 50 | 36 | 35 | 26 | 18 | 28 | 28 | 28 | 29 | 29 | 27 | 16 | 8 | 14 | 12 | 12 | 8 | 8 | 8 | — | — | 8 | 8 |
Swell 2 Height (m) Direction Period (s) | SE 9 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | ENE 6 | ENE 6 | E 6 | SSW 3 | S 3 | E 6 | NNE 3 | SE 9 | SE 9 | ESE 7 | SE 7 | ESE 9 | SE 9 | SE 9 | — | — | — | — |
| kJ | 43 | 45 | 46 | 46 | 42 | 40 | 12 | 6 | 6 | 2 | 1 | 2 | 1 | 12 | 13 | 4 | 8 | 8 | 12 | 12 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SE 10 | SE 10 | — | — | — | — | NE 5 | NE 5 | NE 5 | E 6 | E 6 | E 6 | ESE 10 | NNE 3 | — | — | E 5 | E 5 | E 5 | E 5 | — | — | — | S 9 |
| kJ | 33 | 34 | — | — | — | — | 4 | 1 | 1 | 2 | 2 | 1 | 9 | 1 | — | — | 1 | 1 | 1 | 1 | — | — | — | 2 |
Wind waves Height (m) Direction Period (s) | — | WNW 2 | — | — | — | — | S 3 | S 3 | SSW 3 | WNW 2 | — | NNE 3 | — | — | — | S 3 | S 4 | S 5 | S 4 | S 3 | SSE 4 | SSE 5 | SSE 5 | SSE 4 |
| kJ | — | 1 | — | — | — | — | 4 | 5 | 4 | 1 | — | 1 | — | — | — | 8 | 18 | 15 | 10 | 5 | 17 | 65 | 75 | 34 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 166 | 110 | 4 | 13 | 13 | 54 | 113 | 166 | 182 | 626 | 499 | 499 | 54 | 9 | 626 | 182 | 1276 | 1713 | 1256 | 626 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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