Surf Forecasts:
How big are the waves at Block Island today (21 Jun):
- Morning surf: Morning surf (21 Jun, local time) - 3ft (0.9m), 8s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Jun, local time) - 3ft (0.9m), 8s period with SSW swell.
- Evening surf: Evening surf (21 Jun, local time) - 3.5ft (1.0m), 7s period with SSW swell.
The current surf forecast for Block Island at 1PM is: 0.9m 8s primary swell from a South-southwest direction and 0.1m 12s secondary swell from a Southeast direction, 0.1m 12s secondary swell from a Southeast direction (forecast issued at 07:00am June 21). The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jun) | 3ft (0.9m) | 8s |
| Afternoon (21 Jun) | 3ft (0.9m) | 8s |
| Evening (21 Jun) | 3.5ft (1.0m) | 7s |
Table - waves today at Block Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 31mm), heaviest during Tue morning. Warm (max 23°C on Sun night, min 16°C on Mon afternoon). Winds decreasing (fresh winds from the E on Mon night, calm by Tue afternoon). | ||||||||||||||||||||||||
Sunday 21 | Monday 22 | Tuesday 23 | Wed 24 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | S 7 | S 7 | SSW 7 | S 7 | S 6 | S 6 | SSW 6 | SW 6 | S 4 | S 6 | S 6 | S 6 | S 6 | SSE 6 | SSE 7 | S 6 | SSE 7 | SSE 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 137 | 130 | 99 | 81 | 104 | 108 | 35 | 23 | 48 | 43 | 29 | 28 | 15 | 10 | 12 | 67 | 122 | 130 | 109 | 60 | 78 | 123 | 102 | 108 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross | cross | cross | cross | cross-off | off | cross-off | cross-off | on | cross | cross | cross-on | on | cross-on | cross-on | cross-on | off | glassy | cross-on | cross-on | cross-on | cross-off |
High Tide | 2:14PM0.90m | 2:24AM0.74m | 3:13PM0.89m | 3:25AM0.69m | 4:11PM0.88m | |||||||||||||||||||
Low Tide | 8:07AM0.05m | 8:49PM0.16m | 8:59AM0.09m | 9:51PM0.17m | 9:49AM0.12m | 10:48PM0.17m | ||||||||||||||||||
 |  | | | | | |  |  |  |  | |  |  |  | | |  | | | | | | | |
 | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | 5:13 |
 | — | — | — | — | — | 8:22 | — | — | — | — | — | — | — | 8:22 | — | — | — | — | — | — | — | 8:22 | — | 8:22 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 4 | 1 | 1 | 2 | 11 | 6 | — | — | — | — | — |
Temp °C | 18 | 19 | 20 | 21 | 22 | 23 | 23 | 22 | 21 | 21 | 22 | 20 | 16 | 17 | 20 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 |
Feels °C | 16 | 17 | 17 | 16 | 17 | 19 | 20 | 20 | 20 | 20 | 21 | 20 | 13 | 12 | 18 | 17 | 19 | 19 | 18 | 22 | 21 | 21 | 21 | 21 |
Swell 1 Height (m) Direction Period (s) | SSW 8 | SSW 8 | SSW 8 | SE 12 | SE 12 | SE 12 | S 7 | SW 4 | SSW 7 | S 7 | S 6 | S 6 | SSW 6 | SW 6 | SSE 6 | SE 8 | SE 11 | S 6 | S 6 | SSE 6 | SSE 7 | S 6 | SSE 7 | SSE 7 |
| kJ | 137 | 130 | 99 | 6 | 6 | 6 | 35 | 14 | 48 | 43 | 29 | 28 | 15 | 10 | 7 | 3 | 5 | 130 | 109 | 60 | 78 | 123 | 102 | 108 |
Swell 2 Height (m) Direction Period (s) | SE 12 | SE 12 | SE 12 | SE 12 | — | — | SE 12 | S 7 | SE 12 | SE 12 | SE 11 | SE 11 | SSE 6 | SSE 6 | SE 9 | SE 11 | — | SE 11 | SE 11 | SSW 6 | SSW 6 | SW 6 | SW 6 | SW 6 |
| kJ | 6 | 6 | 6 | 6 | — | — | 6 | 23 | 5 | 5 | 5 | 5 | 12 | 7 | 3 | 5 | — | 5 | 5 | 49 | 60 | 33 | 18 | 19 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | SE 12 | — | — | — | — | SE 9 | SE 9 | SE 11 | — | — | — | SSW 6 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 6 | — | — | — | — | 3 | 3 | 5 | — | — | — | 30 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | SSW 8 | SSW 7 | SSW 7 | SW 4 | SW 4 | — | — | — | — | — | SE 3 | S 4 | S 6 | S 6 | SSE 6 | — | — | — | — | — | — |
| kJ | — | — | — | 81 | 104 | 108 | 26 | 8 | — | — | — | — | — | 3 | 12 | 67 | 122 | 51 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 24 | 24 | 24 | 767 | 81 | 767 | 25 | 29 | 49 | 775 | 3162 | 2565 | 1808 | 3426 | 436 | 219 | 181 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
Best forecast wave conditions in Rhode Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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