Surf Forecasts:
How big are the waves at Block Island today (19 Sep):
- Afternoon surf: Afternoon surf (19 Sep, local time) - 1ft (0.3m), 12s period with SE swell.
- Evening surf: Evening surf (19 Sep, local time) - 1ft (0.3m), 9s period with SE swell.
The current surf forecast for Block Island at 12AM is: 0.3m 12s primary swell from a Southeast direction and 0.4m 4s secondary swell from a Southwest direction, 0.3m 7s secondary swell from a East-southeast direction (forecast issued at 07:00pm September 18). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | - | - |
| Afternoon (19 Sep) | 1ft (0.3m) | 12s |
| Evening (19 Sep) | 1ft (0.3m) | 9s |
Table - waves today at Block Island. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Sun night. Warm (max 24°C on Fri night, min 13°C on Sun night). Winds increasing (light winds from the NNW on Fri night, strong winds from the NNE by Sun night). | |||||||||||||||||||
Fri 18 | Saturday 19 | Sunday 20 | |||||||||||||||||
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) | SE 12 | SE 9 | SE 12 | SE 12 | SE 12 | ENE 5 | ENE 6 | ENE 6 | ENE 5 | E 8 | ESE 8 | SE 11 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 | SE 10 |
Wave Graph  | |||||||||||||||||||
 kJ | 22 | 12 | 21 | 21 | 21 | 91 | 109 | 67 | 49 | 90 | 23 | 19 | 18 | 18 | 18 | 28 | 26 | 27 | 26 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on |
High Tide | 2:11PM0.77m | 2:30AM0.59m | 3:24PM0.75m | 3:49AM0.61m | 4:27PM0.76m | ||||||||||||||
Low Tide | 9:08PM0.29m | 7:41AM0.28m | 10:08PM0.27m | 9:50AM0.27m | 10:58PM0.24m | ||||||||||||||
 |  | |  | |  | | |  | | |  | | | | |  |  |  | |
 | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — |
 | 6:51 | — | — | — | — | — | — | — | 6:49 | — | — | — | — | — | — | — | 6:46 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 6 | 1 |
Temp °C | 24 | 24 | 20 | 17 | 16 | 16 | 15 | 16 | 16 | 16 | 15 | 15 | 16 | 16 | 17 | 19 | 18 | 18 | 20 |
Feels °C | 25 | 24 | 14 | 10 | 10 | 11 | 10 | 12 | 11 | 11 | 10 | 11 | 13 | 12 | 13 | 16 | 15 | 16 | 19 |
Swell 1 Height (m) Direction Period (s) | SW 5 | SSW 5 | SW 4 | ESE 7 | SE 8 | SE 8 | SE 12 | SE 8 | ESE 8 | SE 11 | ESE 8 | ESE 7 | ESE 7 | SE 11 | SE 11 | SE 10 | SE 10 | SE 4 | SE 10 |
| kJ | 10 | 8 | 5 | 9 | 11 | 11 | 21 | 11 | 23 | 5 | 23 | 11 | 10 | 18 | 18 | 28 | 26 | 16 | 26 |
Swell 2 Height (m) Direction Period (s) | ESE 7 | ESE 7 | ESE 7 | SSW 4 | SE 12 | SE 12 | SW 4 | ESE 11 | SE 11 | — | SE 11 | SE 11 | SE 11 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | SE 10 | SE 7 |
| kJ | 9 | 9 | 9 | 2 | 21 | 21 | 1 | 13 | 5 | — | 5 | 19 | 18 | 9 | 9 | 9 | 9 | 27 | 11 |
Swell 3 Height (m) Direction Period (s) | SE 12 | SE 9 | SE 12 | SE 12 | SSW 4 | SW 4 | SW 4 | — | — | — | — | SE 9 | E 7 | — | — | — | SE 7 | ESE 7 | SSE 8 |
| kJ | 22 | 12 | 21 | 21 | 2 | 1 | 1 | — | — | — | — | 3 | 1 | — | — | — | 12 | 9 | 7 |
Wind waves Height (m) Direction Period (s) | — | — | — | NNE 4 | ENE 4 | ENE 5 | ENE 6 | ENE 6 | ENE 5 | E 8 | E 4 | E 4 | ESE 4 | ESE 4 | ESE 4 | SE 4 | SE 4 | — | SE 4 |
| kJ | — | — | — | 17 | 31 | 91 | 109 | 67 | 49 | 90 | 17 | 12 | 14 | 15 | 16 | 17 | 19 | — | 13 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 49 | 49 | 642 | 642 | 157 | 130 | 130 | 130 | 1156 | 1156 | 198 | 198 | 847 | 846 | 749 | 161 | 1084 | 219 | 178 |
Best forecast wave conditions in Rhode Island | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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