- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
K38 and 39 surfForecast / Rhode Island / USA
48hr Weather and Surf, issued 7 am Monday 18 May 2026 EDTForecast update in hr min s Forecast update imminent
K38 and 39 surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's K38 and 39 sea temperature is
10.7° C
(Which is normal for this time of year)How big are the waves at K38 and 39 today?
The current surf forecast for K38 and 39 at 11AM is: 0.7m 7s primary swell from a South-southwest direction and 0.5m 8s secondary swell from a South-southeast direction (forecast issued at 07:00am May 18). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 2.5ft (0.7m) | 7s |
| Afternoon (18 May) | 2.5ft (0.7m) | 6s |
| Evening (18 May) | 3ft (0.9m) | 5s |
Table - waves today at K38 and 39. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 9mm), mostly falling on Wed night. Warm (max 24°C on Tue afternoon, min 14°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SSE 8 | SSW 7 | SSW 7 | SSE 8 | SSW 6 | SSW 5 | SSW 5 | SSW 5 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | |
58 | 60 | 45 | 44 | 37 | 33 | 46 | 51 | 69 | 80 | 80 | 90 | 93 | 140 | 185 | 247 | 254 | 180 | 158 | 186 | 202 | 186 | 144 | 96 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | cross-off | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross | |
High Tide | 9:34AM1.00m | 9:57PM1.27m | 10:27AM0.98m | 10:51PM1.20m | 11:23AM0.95m | 11:47PM1.12m | ||||||||||||||||||
Low Tide | 3:28AM-0.20m | 3:21PM-0.16m | 4:21AM-0.17m | 4:17PM-0.11m | 5:16AM-0.12m | 5:17PM-0.05m | ||||||||||||||||||
 |  |  | | | |  | | | | | | |  | | | | | | |  |  |  |  | |
 | 5:24 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | 5:22 |
 | — | — | — | — | — | 8:00 | — | — | — | — | — | — | — | 8:00 | — | — | — | — | — | — | — | 8:01 | — | 8:02 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 6 | 2 | — | |
Temp °C | 20 | 18 | 20 | 21 | 22 | 19 | 19 | 18 | 19 | 20 | 22 | 24 | 20 | 20 | 19 | 20 | 19 | 20 | 24 | 24 | 21 | 20 | 17 | 15 |
19 | 17 | 19 | 20 | 20 | 17 | 18 | 16 | 17 | 18 | 20 | 21 | 17 | 18 | 17 | 17 | 17 | 18 | 22 | 21 | 18 | 19 | 14 | 11 | |
Swell 1 Height (m) Direction Period (s) | SSW 6 | SSW 7 | SSW 7 | SSE 8 | SSE 7 | SSE 7 | SSE 7 | SE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SSW 7 | SSW 7 | SSW 7 |
 kJ | 48 | 60 | 45 | 44 | 31 | 21 | 21 | 25 | 21 | 30 | 32 | 32 | 33 | 25 | 31 | 26 | 27 | 20 | 20 | 20 | 21 | 186 | 144 | 96 |
Swell 2 Height (m) Direction Period (s) | SSE 8 | SSE 8 | SSE 8 | — | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 16 | S 16 | S 16 | S 16 | S 16 | S 16 | SE 15 | S 15 | S 15 | S 15 | SE 9 | SE 9 | SE 9 |
| kJ | 58 | 33 | 33 | — | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 9 | 4 | 4 | 4 | 21 | 21 | 21 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | S 18 | — | — | — | — | S 16 | S 16 | S 13 | S 16 | — | — | — | — | — | SE 12 | SE 12 | S 12 | S 15 | S 15 | S 15 |
| kJ | — | — | — | — | 6 | — | — | — | — | 5 | 5 | 3 | 5 | — | — | — | — | — | 6 | 6 | 3 | 4 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | SSW 6 | SSW 6 | SSW 5 | SSW 5 | SSW 5 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 6 | — | — | NW 3 |
| kJ | — | — | — | 22 | 37 | 33 | 46 | 51 | 69 | 80 | 80 | 90 | 93 | 140 | 185 | 247 | 254 | 180 | 158 | 186 | 202 | — | — | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 615 | 615 | 615 | 2 | 183 | 178 | 223 | 236 | 236 | 223 | 169 | 21 | 169 | 14 | 232 | 419 | 236 | 223 | 2 | 2 | 2 |
Best forecast wave conditions in Rhode Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our K38 and 39 surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest