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K38 and 39 surfForecast / Rhode Island / USA
48hr Weather and Surf, issued 1 pm Tuesday 12 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
9.9° 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 5PM is: 0.5m 7s primary swell from a Southeast direction and 0.3m 11s secondary swell from a Southeast direction, 0.6m 3s secondary swell from a Southwest direction (forecast issued at 01:00pm May 12). The wind direction is predicted to be onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 2ft (0.6m) | 8s |
| Afternoon (12 May) | 1.5ft (0.5m) | 7s |
| Evening (12 May) | 3ft (0.9m) | 4s |
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 5mm), mostly falling on Thu afternoon. Very mild (max 14°C on Tue afternoon, min 10°C on Tue night). Winds decreasing (fresh winds from the S on Wed afternoon, calm by Thu night). | ||||||||||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Fri 15 | |||||||||||||||||||||
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 | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SE 8 | SE 7 | SE 7 | SW 4 | SW 4 | SW 4 | SW 5 | SSW 5 | SSW 5 | SSW 5 | SSW 6 | SSW 6 | S 6 | S 6 | S 6 | S 6 | S 6 | SSE 6 | S 6 | S 6 | SE 8 | SE 9 | SE 9 | SE 9 | |
28 | 27 | 26 | 35 | 32 | 23 | 35 | 28 | 48 | 94 | 126 | 109 | 106 | 121 | 123 | 91 | 50 | 65 | 39 | 60 | 67 | 126 | 293 | 294 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-off | cross-on | cross-on | cross-on | glassy | cross-off | cross-off | |
High Tide | 4:57PM0.98m | 5:20AM0.87m | 5:47PM1.09m | 6:11AM0.93m | 6:36PM1.19m | 7:02AM0.97m | ||||||||||||||||||
Low Tide | 10:15AM0.05m | 11:10PM0.04m | 11:09AM-0.02m | 00:05AM-0.05m | 11:59AM-0.09m | 00:56AM-0.12m | ||||||||||||||||||
 | | |  |  |  | |  |  | | | | | | |  |  | | | | | | | | |
 | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:26 | — |
 | — | — | 7:53 | — | — | — | — | — | — | — | 7:54 | — | — | — | — | — | — | — | 7:55 | — | — | — | — | 7:57 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 1 | — | — | — | — | — | |
Temp °C | 13 | 13 | 14 | 13 | 11 | 10 | 10 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 12 | 13 | 14 | 12 | 12 | 12 | 12 | 13 | 13 | 12 |
10 | 8 | 9 | 7 | 6 | 5 | 6 | 7 | 6 | 6 | 7 | 8 | 8 | 9 | 8 | 10 | 12 | 10 | 11 | 11 | 11 | 13 | 12 | 11 | |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | SE 10 | SE 10 | SE 10 | ESE 10 | SE 10 | S 6 | SSE 6 | S 6 | S 6 | SE 8 | SE 9 | SE 9 | SE 9 |
 kJ | 28 | 27 | 26 | 13 | 12 | 12 | 12 | 9 | 5 | 5 | 5 | 4 | 4 | 4 | 10 | 4 | 50 | 65 | 39 | 60 | 67 | 126 | 293 | 294 |
Swell 2 Height (m) Direction Period (s) | S 6 | SSE 11 | SE 11 | SE 10 | SE 10 | SE 10 | SSE 10 | SE 10 | SE 10 | SE 10 | SE 10 | ESE 7 | E 7 | — | ESE 10 | SE 10 | ESE 5 | SE 10 | ESE 5 | ESE 5 | S 7 | S 8 | SSW 7 | SSW 7 |
| kJ | 6 | 11 | 18 | 17 | 17 | 16 | 10 | 16 | 16 | 4 | 4 | 5 | 1 | — | 10 | 4 | 15 | 4 | 17 | 10 | 44 | 90 | 15 | 9 |
Swell 3 Height (m) Direction Period (s) | SSE 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 10 | SW 6 | SE 10 | SE 10 | ESE 5 | — | — | — |
| kJ | 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 5 | 4 | 4 | 9 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SW 6 | SW 3 | SW 4 | SW 4 | SW 4 | SW 5 | SSW 5 | SSW 5 | SSW 5 | SSW 6 | SSW 6 | S 6 | S 6 | S 6 | S 6 | — | — | — | — | — | — | — | — |
| kJ | — | 8 | 9 | 35 | 32 | 23 | 35 | 28 | 48 | 94 | 126 | 109 | 106 | 121 | 123 | 91 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 44 | 127 | 127 | 615 | 169 | 169 | 141 | 181 | 1012 | 1119 | 868 | 868 | 277 | 290 | 468 | 21 | 103 | 0 | 158 | 44 | 21 | 0 | 0 | 0 |
Best forecast wave conditions in Rhode Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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