Surf Forecasts:
How big are the waves at Block Island today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 3ft (0.9m), 7s period with SSE swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 3ft (0.9m), 8s period with SSE swell.
- Evening surf: Evening surf (18 Aug, local time) - 2ft (0.6m), 8s period with SE swell.
The current surf forecast for Block Island at 9AM is: 0.9m 7s primary swell from a South-southeast direction and 0.1m 13s secondary swell from a South direction (forecast issued at 01:00am August 18). An open ocean swell of 0.5m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 3ft (0.9m) | 7s |
| Afternoon (18 Aug) | 3ft (0.9m) | 8s |
| Evening (18 Aug) | 2ft (0.6m) | 8s |
Table - waves today at Block Island. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Thu night. Warm (max 26°C on Wed afternoon, min 18°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 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 6 | S 6 | S 7 | SSE 7 | SSE 8 | SSE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SE 6 | SE 6 | SE 8 | SE 8 | ESE 8 | ESE 7 | SE 7 | SE 7 | SE 7 | ESE 7 | SE 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 81 | 64 | 74 | 91 | 99 | 97 | 53 | 53 | 53 | 58 | 64 | 51 | 39 | 33 | 18 | 18 | 15 | 22 | 21 | 26 | 25 | 25 | 20 | 12 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-off | off | cross-off | cross-off |
High Tide | 00:13AM0.76m | 12:54PM0.90m | 1:02AM0.69m | 1:51PM0.84m | 1:59AM0.63m | 2:56PM0.80m | ||||||||||||||||||
Low Tide | 5:54AM0.13m | 7:31PM0.20m | 6:30AM0.19m | 8:37PM0.25m | 7:19AM0.23m | 9:43PM0.27m | ||||||||||||||||||
 |  |  |  |  | |  | | | | | | | | | | | | | | | | |  | |
 | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:40 | — | — | — | — | — | — | — | 7:39 | — | — | — | — | — | — | — | 7:37 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 21 | 20 | 20 | 22 | 22 | 23 | 23 | 23 | 23 | 24 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 24 | 25 | 25 | 25 | 22 | 19 | 18 |
Feels °C | 21 | 20 | 20 | 24 | 24 | 25 | 24 | 24 | 24 | 25 | 26 | 26 | 25 | 24 | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 22 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | S 6 | S 6 | S 7 | SSE 7 | SSE 8 | SSE 7 | S 7 | S 7 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SE 6 | SE 6 | SE 6 | SSE 6 | ESE 8 | ESE 7 | SE 7 | SE 7 | SE 7 | ESE 7 | SE 7 |
| kJ | 81 | 64 | 74 | 91 | 99 | 97 | 34 | 33 | 53 | 58 | 64 | 51 | 39 | 33 | 18 | 18 | 13 | 22 | 21 | 26 | 25 | 25 | 20 | 12 |
Swell 2 Height (m) Direction Period (s) | SW 6 | SE 9 | S 13 | S 13 | ENE 4 | ENE 4 | SE 8 | SE 8 | S 7 | S 6 | SSW 6 | — | S 6 | SE 9 | SE 8 | SE 8 | SE 8 | SSE 6 | S 6 | S 6 | S 6 | SW 4 | SSW 4 | SE 8 |
| kJ | 5 | 12 | 3 | 3 | 3 | 1 | 53 | 53 | 33 | 22 | 13 | — | 7 | 14 | 9 | 15 | 15 | 11 | 10 | 6 | 6 | 3 | 2 | 11 |
Swell 3 Height (m) Direction Period (s) | S 14 | S 14 | S 13 | — | SE 12 | SE 12 | ENE 4 | SSE 11 | SSE 11 | SE 11 | NE 4 | NE 4 | SE 10 | SSW 6 | SE 9 | SSW 6 | SSE 9 | SW 3 | SSE 9 | SE 9 | ESE 9 | S 6 | ESE 9 | SW 4 |
| kJ | 4 | 4 | 3 | — | 6 | 6 | 1 | 12 | 12 | 5 | 1 | 1 | 14 | 3 | 13 | 3 | 8 | 3 | 8 | 3 | 8 | 2 | 8 | 3 |
Wind waves Height (m) Direction Period (s) | ENE 4 | NE 4 | NE 4 | ENE 4 | NE 4 | — | — | — | — | — | — | S 6 | SSW 3 | SSW 6 | SSW 6 | SSW 3 | SW 3 | SW 3 | — | SW 5 | SW 5 | — | — | — |
| kJ | 5 | 4 | 5 | 6 | 3 | — | — | — | — | — | — | 20 | 4 | 13 | 18 | 4 | 3 | 1 | — | 4 | 4 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 634 | 195 | 195 | 159 | 159 | 159 | 49 | 207 | 249 | 249 | 198 |
Best forecast wave conditions in Rhode Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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