Surf Forecasts:
How big are the waves at Plum Island today (20 Oct):
- Morning surf: Morning surf (20 Oct, local time) - 5.5ft (1.7m), 11s period with ESE swell.
- Afternoon surf: Afternoon surf (20 Oct, local time) - 6ft (1.8m), 10s period with ESE swell.
- Evening surf: Evening surf (20 Oct, local time) - 6ft (1.8m), 9s period with ESE swell.
The current surf forecast for Plum Island at 7AM is: 1.6m 10s primary swell from a East-southeast direction and 0.7m 4s secondary swell from a Northeast direction (forecast issued at 01:00am October 20). The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | 5.5ft (1.7m) | 11s |
| Afternoon (20 Oct) | 6ft (1.8m) | 10s |
| Evening (20 Oct) | 6ft (1.8m) | 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 6°C on Tue night). Mainly fresh winds. | ||||||||||||||||||||||||
Tuesday 20 | Wednesday 21 | Thursday 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) | ESE 10 | ESE 10 | ESE 11 | ESE 10 | ESE 10 | E 10 | ESE 9 | E 9 | E 9 | ENE 9 | ENE 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ESE 9 | E 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 267 | 436 | 649 | 692 | 650 | 821 | 589 | 734 | 899 | 803 | 704 | 617 | 546 | 630 | 554 | 554 | 509 | 593 | 541 | 473 | 455 | 395 | 304 | 239 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-on | cross | cross |
High Tide | 7:29AM2.05m | 7:45PM2.25m | 8:22AM2.16m | 8:39PM2.30m | 9:09AM2.29m | 9:29PM2.37m | ||||||||||||||||||
Low Tide | 2:10AM0.44m | 2:28PM0.60m | 2:59AM0.39m | 3:18PM0.48m | 3:43AM0.31m | 4:04PM0.33m | ||||||||||||||||||
 | |  | | | | | | | |  | | | | | |  | |  | | | | | | |
 | — | 7:01 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:50 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 9 | 9 | 9 | 12 | 13 | 12 | 12 | 11 | 9 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 7 | 6 | 6 | 9 | 12 | 13 | 12 | 10 |
Feels °C | 6 | 5 | 5 | 7 | 8 | 8 | 8 | 6 | 2 | 0 | 0 | 0 | 2 | 2 | 4 | 4 | 3 | 1 | 1 | 4 | 7 | 10 | 8 | 2 |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 11 | ESE 10 | ESE 10 | E 10 | ESE 9 | — | — | — | — | — | — | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ESE 9 | E 8 |
| kJ | 267 | 436 | 649 | 692 | 650 | 683 | 589 | — | — | — | — | — | — | 524 | 554 | 554 | 509 | 593 | 541 | 473 | 455 | 395 | 304 | 239 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 10 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 9 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | N 2 | NNE 3 | NE 4 | NE 5 | NE 5 | E 10 | — | E 9 | E 9 | ENE 9 | ENE 8 | E 8 | E 8 | E 8 | — | — | NNE 4 | NNE 4 | N 3 | N 3 | N 4 | — | NNE 4 | NNE 6 |
| kJ | 1 | 3 | 13 | 56 | 64 | 821 | — | 734 | 899 | 803 | 704 | 617 | 546 | 630 | — | — | 22 | 17 | 3 | 6 | 7 | — | 37 | 173 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 13 | 13 | 13 | 509 | 342 | 25 | 173 | 512 | 512 | 512 | 512 | 1050 | 1050 | 1037 | 25 | 13 | 13 | 27 | 27 | 27 | 13 | 25 | 27 | 170 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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