Surf Forecasts:
How big are the waves at Block Island today (17 Aug):
- Afternoon surf: Afternoon surf (17 Aug, local time) - 4ft (1.2m), 6s period with S swell.
- Evening surf: Evening surf (17 Aug, local time) - 4ft (1.2m), 6s period with S swell.
The current surf forecast for Block Island at 10PM is: 1.1m 6s primary swell from a South direction and 0.1m 9s secondary swell from a Southeast direction (forecast issued at 07:00pm August 17). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | - | - |
| Afternoon (17 Aug) | 4ft (1.2m) | 6s |
| Evening (17 Aug) | 4ft (1.2m) | 6s |
Table - waves today at Block Island. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Wed afternoon, min 20°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||||
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 6 | SSE 6 | S 6 | S 6 | S 6 | S 7 | S 7 | SSE 8 | SSE 8 | S 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SSE 6 | ESE 8 | SE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 127 | 134 | 92 | 79 | 64 | 74 | 112 | 131 | 102 | 53 | 42 | 63 | 61 | 57 | 51 | 43 | 27 | 22 | 28 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-on | cross | cross | glassy | cross-on | cross | cross-on | cross-on | cross |
High Tide | 00:13AM0.76m | 12:54PM0.90m | 1:02AM0.69m | 1:51PM0.84m | |||||||||||||||
Low Tide | 6:30PM0.15m | 5:54AM0.13m | 7:31PM0.20m | 6:30AM0.19m | 8:37PM0.25m | ||||||||||||||
 |  | |  | | |  | | | | | | | | | | | | | |
 | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | 7:42 | — | — | — | — | — | — | — | 7:40 | — | — | — | — | — | — | — | 7:39 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 21 | 21 | 21 | 20 | 20 | 22 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 26 | 25 | 25 |
Feels °C | 20 | 21 | 21 | 21 | 20 | 20 | 24 | 24 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 24 | 25 |
Swell 1 Height (m) Direction Period (s) | S 6 | SSE 6 | S 6 | S 6 | S 6 | S 7 | S 7 | SSE 8 | SSE 8 | S 7 | S 7 | SE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SSE 6 | ESE 8 | SE 8 |
| kJ | 127 | 134 | 92 | 79 | 64 | 74 | 112 | 131 | 102 | 46 | 34 | 63 | 61 | 57 | 51 | 43 | 27 | 22 | 28 |
Swell 2 Height (m) Direction Period (s) | — | SE 9 | SW 6 | SW 6 | SE 9 | S 13 | S 13 | SE 12 | SE 12 | SE 8 | SE 8 | S 7 | S 7 | S 6 | SSW 6 | SSW 6 | ESE 6 | SSE 6 | SSE 6 |
| kJ | — | 3 | 18 | 5 | 12 | 3 | 3 | 6 | 6 | 53 | 42 | 32 | 23 | 22 | 13 | 12 | 7 | 15 | 7 |
Swell 3 Height (m) Direction Period (s) | — | — | — | S 14 | S 13 | SE 13 | — | — | SE 12 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | — | SE 10 | SSE 10 | SE 9 | SE 9 | SSW 6 |
| kJ | — | — | — | 4 | 4 | 7 | — | — | 6 | 13 | 12 | 12 | 12 | — | 15 | 9 | 14 | 13 | 6 |
Wind waves Height (m) Direction Period (s) | ENE 3 | NE 4 | NE 3 | NE 3 | NE 4 | NE 3 | NE 4 | — | — | — | — | — | — | — | — | — | SW 6 | SSW 6 | SW 3 |
| kJ | 4 | 3 | 5 | 7 | 6 | 6 | 5 | — | — | — | — | — | — | — | — | — | 8 | 13 | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 152 | 81 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 24 | 25 | 24 | 24 | 24 | 24 | 24 | 634 |
Best forecast wave conditions in Rhode Island | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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