Surf Forecasts:
How big are the waves at Block Island today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 10ft (3.0m), 9s period with ENE swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 10ft (3.0m), 10s period with E swell.
- Evening surf: Evening surf (21 Oct, local time) - 7.5ft (2.3m), 10s period with ESE swell.
The current surf forecast for Block Island at 2PM is: 3.0m 10s primary swell from a East direction (forecast issued at 07:00am October 21). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 10ft (3.0m) | 9s |
| Afternoon (21 Oct) | 10ft (3.0m) | 10s |
| Evening (21 Oct) | 7.5ft (2.3m) | 10s |
Table - waves today at Block Island. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Wed night. Very mild (max 16°C on Thu afternoon, min 8°C on Fri morning). Winds decreasing (near gales from the NE on Wed morning, light winds from the NE 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) | ENE 9 | ENE 9 | ENE 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | E 10 | E 10 | E 10 | E 9 | E 9 | ENE 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 11 | E 12 | E 12 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1382 | 1445 | 1825 | 1763 | 998 | 998 | 914 | 786 | 673 | 652 | 444 | 508 | 418 | 339 | 168 | 108 | 87 | 90 | 96 | 100 | 119 | 98 | 96 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross |
High Tide | 5:01AM0.76m | 5:07PM0.76m | 5:40AM0.84m | 5:47PM0.80m | 6:16AM0.92m | 6:26PM0.84m | |||||||||||||||||
Low Tide | 11:14AM0.19m | 11:21PM0.11m | 11:58AM0.13m | 11:52PM0.05m | 12:38PM0.07m | ||||||||||||||||||
 |  |  | | |  | |  | | | |  | | | |  | | | | | | | | |
 | 7:03 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — |
 | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:53 | — | — |
mm | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 11 | 10 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 14 | 16 | 15 | 12 | 10 | 9 | 8 | 9 | 11 | 13 | 11 | 10 |
Feels °C | 1 | 0 | 0 | 0 | -1 | -1 | 0 | -1 | 0 | 1 | 1 | 5 | 10 | 10 | 5 | 3 | 2 | 0 | 3 | 6 | 8 | 5 | 5 |
Swell 1 Height (m) Direction Period (s) | SSE 10 | SSE 11 | — | — | ESE 10 | ESE 10 | ESE 10 | E 10 | E 10 | E 10 | E 9 | E 9 | ENE 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | NE 6 | E 11 | E 12 | E 12 |
| kJ | 22 | 22 | — | — | 998 | 998 | 914 | 786 | 673 | 652 | 444 | 508 | 418 | 339 | 168 | 108 | 87 | 90 | 96 | 49 | 119 | 98 | 96 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | SE 10 | SSE 10 | SSE 10 | SSE 10 | SE 10 | SE 10 | SE 10 | — | — | — | — | — | — | E 10 | ENE 6 | SE 9 | SE 9 |
| kJ | — | — | — | — | — | — | 53 | 38 | 64 | 64 | 104 | 104 | 46 | — | — | — | — | — | — | 100 | 22 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 9 | ENE 9 | ENE 10 | E 10 | NE 6 | NE 6 | NE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | N 5 | NNW 4 | — | NNE 4 | NE 5 | NE 6 | NE 6 | NE 6 | — | — | ENE 5 | ENE 5 |
| kJ | 1382 | 1445 | 1825 | 1763 | 352 | 331 | 356 | 335 | 320 | 214 | 172 | 55 | 7 | — | 40 | 82 | 191 | 141 | 89 | — | — | 25 | 36 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 648 | 648 | 847 | 847 | 847 | 374 | 373 | 846 | 846 | 285 | 373 | 25 | 24 | 0 | 24 | 374 | 156 | 144 | 25 | 24 | 25 | 25 | 130 |
Best forecast wave conditions in Rhode Island | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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