Surf Forecasts:
How big are the waves at Plum Island today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 8ft (2.4m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 7.5ft (2.3m), 9s period with E swell.
- Evening surf: Evening surf (21 Oct, local time) - 8ft (2.4m), 9s period with E swell.
The current surf forecast for Plum Island at 11AM is: 1.8m 8s primary swell from a East direction and 1.4m 5s secondary swell from a Northeast direction (forecast issued at 07:00am October 21). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 8ft (2.4m) | 8s |
| Afternoon (21 Oct) | 7.5ft (2.3m) | 9s |
| Evening (21 Oct) | 8ft (2.4m) | 9s |
Table - waves today at Plum Island. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 15°C on Thu afternoon, min 6°C on Fri morning). Winds decreasing (fresh winds from the N on Thu night, light winds from the NW by Fri night). | |||||||||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 23 | |||||||||||||||||||||
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 9 | ENE 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | ENE 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 506 | 766 | 461 | 780 | 805 | 915 | 935 | 775 | 690 | 664 | 700 | 691 | 839 | 595 | 717 | 844 | 857 | 678 | 527 | 439 | 260 | 302 | 254 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on |
High Tide | 8:22AM2.16m | 8:39PM2.30m | 9:09AM2.29m | 9:29PM2.37m | 9:54AM2.44m | 10:16PM2.44m | |||||||||||||||||
Low Tide | 2:59AM0.39m | 3:18PM0.48m | 3:43AM0.31m | 4:04PM0.33m | 4:24AM0.23m | 4:47PM0.16m | |||||||||||||||||
 |  | | |  |  | | | | | |  | | | | | | | | | | | | |
 | 7:03 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — |
 | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:49 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 7 | 7 | 7 | 8 | 8 | 9 | 9 | 8 | 8 | 8 | 10 | 14 | 15 | 12 | 11 | 9 | 7 | 6 | 8 | 11 | 12 | 10 | 9 |
Feels °C | 0 | 1 | 0 | 1 | 2 | 3 | 3 | 2 | 2 | 1 | 3 | 8 | 11 | 5 | 5 | 3 | 1 | 1 | 3 | 5 | 7 | 5 | 4 |
Swell 1 Height (m) Direction Period (s) | E 9 | — | E 8 | E 9 | — | — | — | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | SSE 10 | SE 10 | E 14 | — | — | — | E 10 | E 9 | E 9 |
| kJ | 506 | — | 461 | 603 | — | — | — | 775 | 690 | 664 | 700 | 691 | 621 | 494 | 10 | 24 | 4 | — | — | — | 94 | 106 | 79 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | SE 10 | SE 10 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 26 | 4 | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NE 5 | ENE 8 | NE 5 | E 9 | E 9 | E 9 | E 9 | NNE 5 | NNE 5 | NNE 5 | N 5 | N 5 | ENE 9 | ENE 9 | ENE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | ENE 8 | ENE 8 |
| kJ | 115 | 766 | 106 | 780 | 805 | 915 | 935 | 67 | 77 | 92 | 64 | 22 | 839 | 595 | 717 | 844 | 857 | 678 | 527 | 439 | 260 | 302 | 254 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 512 | 512 | 1037 | 1037 | 1037 | 550 | 549 | 926 | 1036 | 460 | 549 | 27 | 13 | 166 | 27 | 550 | 27 | 0 | 13 | 25 | 25 | 25 | 13 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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