Surf Forecasts:
How big are the waves at Block Island today (20 Jul):
- Morning surf: Morning surf (20 Jul, local time) - 3ft (0.9m), 8s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Jul, local time) - 2.5ft (0.8m), 7s period with SSW swell.
- Evening surf: Evening surf (20 Jul, local time) - 2.5ft (0.8m), 7s period with SSW swell.
The current surf forecast for Block Island at 9AM is: 0.9m 8s primary swell from a South-southwest direction and 0.1m 12s secondary swell from a Southeast direction (forecast issued at 01:00am July 20). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jul) | 3ft (0.9m) | 8s |
| Afternoon (20 Jul) | 2.5ft (0.8m) | 7s |
| Evening (20 Jul) | 2.5ft (0.8m) | 7s |
Table - waves today at Block Island. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 27mm), heaviest during Tue night. Warm (max 24°C on Wed night, min 18°C on Wed night). Winds increasing (calm on Mon morning, strong winds from the SSW by Tue night). | ||||||||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | ||||||||||||||||||||||
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) | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | S 7 | S 7 | SSW 7 | SSW 7 | S 5 | S 6 | S 6 | S 6 | S 7 | SSW 7 | SSW 8 | SSW 9 | SSW 8 | SSW 8 | SSW 9 | SSW 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 123 | 135 | 105 | 96 | 73 | 71 | 67 | 52 | 66 | 64 | 38 | 37 | 55 | 91 | 154 | 239 | 250 | 458 | 709 | 795 | 755 | 974 | 1400 | 1859 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | off | glassy | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 00:50AM0.79m | 1:37PM0.91m | 1:44AM0.71m | 2:35PM0.87m | 2:44AM0.66m | 3:35PM0.84m | ||||||||||||||||||
Low Tide | 7:13AM0.09m | 8:13PM0.18m | 8:00AM0.14m | 9:16PM0.21m | 8:51AM0.18m | 10:16PM0.22m | ||||||||||||||||||
 | |  | | | | | | | |  | | |  |  |  |  |  | |  | | | | | |
 | — | 5:30 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:14 | — | — | — | — | — | — | — | 8:13 | — | — | — | — | — | — | — | 8:12 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 4 | 15 | 2 | — | — | — | 1 | 1 | 1 | 1 |
Temp °C | 20 | 19 | 19 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 23 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 24 | 23 |
Feels °C | 17 | 18 | 18 | 20 | 18 | 18 | 18 | 19 | 20 | 20 | 19 | 18 | 20 | 21 | 22 | 18 | 19 | 21 | 23 | 23 | 22 | 21 | 24 | 23 |
Swell 1 Height (m) Direction Period (s) | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SE 8 | SE 8 | SSW 7 | SSW 7 | SE 8 | SE 11 | SE 11 | SE 11 | S 11 | — | — | — | — | — | — | — |
| kJ | 123 | 135 | 105 | 96 | 73 | 71 | 67 | 52 | 3 | 3 | 38 | 37 | 2 | 5 | 5 | 5 | 2 | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 8 | SE 8 | SE 12 | SE 12 | SE 8 | SE 12 | SE 12 | — | SE 11 | — | — | — | — | — | — | — | — | — |
| kJ | 6 | 6 | 6 | 6 | 6 | 6 | 3 | 3 | 6 | 5 | 3 | 6 | 5 | — | 5 | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SE 8 | SE 12 | — | — | SE 12 | SE 8 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 2 | 6 | — | — | 6 | 3 | 6 | 6 | 5 | 5 | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 3 | NW 3 | NNW 3 | — | — | — | — | S 3 | S 7 | S 7 | S 3 | SSE 4 | S 5 | S 6 | S 6 | S 6 | S 7 | SSW 7 | SSW 8 | SSW 9 | SSW 8 | SSW 8 | SSW 9 | SSW 9 |
| kJ | 3 | 2 | 2 | — | — | — | — | 2 | 66 | 64 | 6 | 16 | 55 | 91 | 154 | 239 | 250 | 458 | 709 | 795 | 755 | 974 | 1400 | 1859 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 24 | 24 | 24 | 24 | 702 | 670 | 670 | 634 | 249 | 415 | 1148 | 1148 | 1148 | 1148 | 117 | 24 | 24 | 40 | 24 | 24 | 24 | 24 | 24 | 25 |
Best forecast wave conditions in Rhode Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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