Surf Forecasts:
How big are the waves at Plum Island today (18 Oct):
- Morning surf: Morning surf (18 Oct, local time) - 1.5ft (0.4m), 5s period with NE swell.
- Afternoon surf: Afternoon surf (18 Oct, local time) - 0.5ft (0.2m), 5s period with NNE swell.
- Evening surf: Evening surf (18 Oct, local time) - 0.5ft (0.1m), 9s period with SE swell.
The current surf forecast for Plum Island at 6PM is: 0.1m 14s primary swell from a East direction and 0.2m 4s secondary swell from a East-northeast direction, 0.1m 8s secondary swell from a Southeast direction, 0.3m 4s secondary swell from a East direction (forecast issued at 01:00pm October 18). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | 1.5ft (0.4m) | 5s |
| Afternoon (18 Oct) | 0.5ft (0.2m) | 5s |
| Evening (18 Oct) | 0.5ft (0.1m) | 9s |
Table - waves today at Plum Island. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 13°C on Tue afternoon, min 5°C on Tue night). Winds increasing (calm on Mon morning, fresh winds from the NNE by Tue night). | |||||||||||||||||||||
Sun 18 | Monday 19 | Tuesday 20 | |||||||||||||||||||
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) | NE 4 | NNE 5 | E 14 | E 11 | SE 3 | SE 3 | SE 3 | ESE 10 | ESE 10 | SE 10 | ESE 10 | ESE 9 | ESE 10 | ESE 10 | ESE 11 | ESE 10 | ESE 10 | ESE 10 | E 9 | E 9 | E 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 7 | 3 | 4 | 3 | 4 | 5 | 4 | 10 | 10 | 25 | 103 | 184 | 314 | 554 | 637 | 749 | 663 | 664 | 718 | 686 | 828 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross | cross-on | cross | cross | cross-off | off | glassy | cross-on | on | on | on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 5:52PM2.23m | 6:33AM1.99m | 6:49PM2.23m | 7:29AM2.05m | 7:45PM2.25m | ||||||||||||||||
Low Tide | 12:35PM0.68m | 1:17AM0.45m | 1:33PM0.67m | 2:10AM0.44m | 2:28PM0.60m | ||||||||||||||||
 | | |  | | | | | | | | |  | | |  | | |  | | | |
 | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — |
 | — | — | 5:55 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 7 | 9 | 10 | 9 | 9 | 8 | 8 | 7 | 8 | 9 | 9 | 9 | 9 | 8 | 8 | 9 | 11 | 12 | 13 | 12 | 10 |
Feels °C | 4 | 5 | 6 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 5 | 3 | 2 | 3 | 4 | 6 | 8 | 7 | 3 |
Swell 1 Height (m) Direction Period (s) | NE 4 | NNE 5 | ENE 4 | ENE 4 | E 4 | SE 10 | SE 3 | SE 4 | SE 4 | ESE 5 | ESE 10 | ESE 9 | ESE 10 | ESE 10 | ESE 11 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | — | — |
| kJ | 7 | 2 | 1 | 2 | 1 | 4 | 4 | 3 | 5 | 10 | 103 | 184 | 314 | 554 | 637 | 749 | 663 | 664 | 540 | — | — |
Swell 2 Height (m) Direction Period (s) | SE 8 | E 4 | SE 9 | SE 8 | SE 10 | E 10 | SE 10 | ESE 10 | ESE 10 | SE 10 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | 1 | 3 | 3 | 4 | 2 | 4 | 10 | 10 | 25 | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | S 8 | SE 8 | E 14 | E 11 | E 11 | E 6 | E 10 | E 9 | E 9 | E 10 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 3 | 4 | 2 | 2 | 1 | 2 | 2 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | E 4 | SE 2 | SE 3 | SE 3 | SE 3 | — | — | — | — | — | — | NNE 4 | NE 4 | NE 4 | NE 5 | NE 5 | E 9 | E 9 | E 9 |
| kJ | — | — | 1 | 1 | 2 | 5 | 3 | — | — | — | — | — | — | 11 | 14 | 44 | 107 | 106 | 718 | 686 | 828 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 52 | 231 | 339 | 342 | 863 | 553 | 183 | 169 | 169 | 169 | 25 | 25 | 13 | 512 | 512 | 512 | 512 | 512 | 512 | 633 | 633 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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