Surf Forecasts:
How big are the waves at Plum Island today (18 Jun):
- Morning surf: Morning surf (18 Jun, local time) - 1.5ft (0.5m), 4s period with S swell.
- Afternoon surf: Afternoon surf (18 Jun, local time) - 6ft (1.8m), 6s period with SSE swell.
- Evening surf: Evening surf (18 Jun, local time) - 5ft (1.5m), 6s period with SSE swell.
The current surf forecast for Plum Island at 7AM is: 0.5m 4s primary swell from a South direction and 0.2m 8s secondary swell from a East direction, 0.2m 7s secondary swell from a South-southeast direction (forecast issued at 01:00am June 18). The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jun) | 1.5ft (0.5m) | 4s |
| Afternoon (18 Jun) | 6ft (1.8m) | 6s |
| Evening (18 Jun) | 5ft (1.5m) | 6s |
Table - waves today at Plum Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Thu night. Warm (max 26°C on Thu afternoon, min 14°C on Sat night). Mainly fresh winds. | ||||||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | ||||||||||||||||||||||
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) | S 4 | S 4 | S 4 | SSE 4 | SSE 6 | SSE 6 | SSE 6 | SSE 7 | SE 7 | SSE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SSE 8 | SSE 8 | SE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 12 | 7 | 6 | 25 | 173 | 309 | 186 | 163 | 106 | 88 | 57 | 49 | 29 | 28 | 28 | 28 | 27 | 18 | 14 | 7 | 7 | 6 | 6 | 6 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross | cross | cross-off | glassy | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | cross-off | off |
High Tide | 2:27AM2.98m | 3:10PM2.52m | 3:23AM2.85m | 4:06PM2.50m | 4:21AM2.69m | 5:04PM2.46m | ||||||||||||||||||
Low Tide | 9:28AM-0.29m | 9:43PM0.11m | 10:24AM-0.20m | 10:43PM0.15m | 11:20AM-0.09m | |||||||||||||||||||
 | |  | |  |  |  |  |  | | | | | | | | | | | | | | | | |
 | — | 5:03 | — | — | — | — | — | — | — | 5:03 | — | — | — | — | — | — | — | 5:03 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:23 | — | — | — | — | — | — | — | 8:23 | — | — | — | — | — | — | — | 8:23 | — |
mm | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — |
Temp °C | 18 | 16 | 16 | 18 | 21 | 26 | 22 | 19 | 18 | 18 | 18 | 22 | 25 | 26 | 22 | 19 | 18 | 17 | 18 | 18 | 23 | 22 | 19 | 16 |
Feels °C | 16 | 14 | 14 | 14 | 16 | 22 | 24 | 18 | 15 | 13 | 13 | 18 | 20 | 21 | 17 | 15 | 14 | 12 | 13 | 13 | 18 | 17 | 17 | 14 |
Swell 1 Height (m) Direction Period (s) | E 7 | E 8 | E 8 | E 7 | E 7 | E 8 | E 7 | SSE 7 | SE 7 | SSE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SSE 8 | SSE 8 | SE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 |
| kJ | 4 | 5 | 4 | 4 | 4 | 4 | 4 | 163 | 106 | 88 | 57 | 49 | 29 | 28 | 28 | 28 | 27 | 18 | 14 | 7 | 7 | 6 | 6 | 6 |
Swell 2 Height (m) Direction Period (s) | SE 7 | SE 7 | SSE 7 | E 14 | SE 14 | SE 14 | SE 14 | E 7 | E 7 | E 7 | SE 14 | SE 13 | SE 13 | SW 4 | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | SW 4 | SE 12 | — |
| kJ | 2 | 2 | 5 | 4 | 8 | 8 | 8 | 4 | 1 | 1 | 7 | 7 | 7 | 1 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 1 | 6 | — |
Swell 3 Height (m) Direction Period (s) | E 15 | E 15 | E 15 | S 14 | — | SE 14 | — | SE 14 | SE 14 | SE 14 | E 7 | E 7 | E 7 | SE 13 | E 7 | E 7 | E 7 | E 6 | E 6 | — | SE 13 | SE 13 | — | SE 10 |
| kJ | 4 | 4 | 4 | 4 | — | 8 | — | 8 | 8 | 8 | 1 | 1 | 1 | 7 | 1 | 1 | 1 | 1 | 1 | — | 7 | 6 | — | 4 |
Wind waves Height (m) Direction Period (s) | S 4 | S 4 | S 4 | SSE 4 | SSE 6 | SSE 6 | SSE 6 | — | WSW 3 | WSW 4 | WSW 4 | W 4 | WSW 3 | W 3 | W 3 | WSW 4 | WSW 4 | WSW 4 | WSW 4 | W 4 | W 4 | WNW 4 | NW 3 | WNW 2 |
| kJ | 12 | 7 | 6 | 25 | 173 | 309 | 186 | — | 3 | 14 | 14 | 9 | 4 | 5 | 5 | 14 | 14 | 14 | 15 | 18 | 13 | 8 | 3 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 532 | 507 | 182 | 805 | 1727 | 574 | 0 | 0 | 0 | 129 | 162 | 4 | 9 | 377 | 54 | 118 | 14 | 155 | 391 | 166 | 390 | 391 | 154 | 154 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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