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Surf Forecasts:
K38 and 39 surfForecast / Rhode Island / USA
48hr Weather and Surf, issued 6 am Wednesday 10 Dec 2025 ESTForecast 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
9.3° 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 12PM is: 2.2m 7s primary swell from a South-southwest direction and 0.1m 9s secondary swell from a Southeast direction (forecast issued at 06:00am December 10). The wind direction is predicted to be onshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Dec) | 6.5ft (2.0m) | 7s |
| Afternoon (10 Dec) | 8ft (2.5m) | 7s |
| Evening (10 Dec) | 8ft (2.5m) | 8s |
Table - waves today at K38 and 39. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 10 | Thursday 11 | Friday 12 | Sat 13 | |||||||||||||||||||||
| 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 390 | 374 | 361 | 540 | 894 | 989 | 920 | 868 | 732 | 663 | 422 | 321 | 277 | 458 | 403 | 384 | 443 | 376 | 294 | 228 | 151 | 129 | 75 | 53 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | on | on | on | on | on | cross- on | cross- on | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 11:50AM 0.93 | 12:22AM 0.85 | 12:47PM 0.84 | 1:21AM 0.84 | 1:44PM 0.78 | |||||||||||||||||||
Low Tide / height (m) | 5:39AM 0.02 | 6:24PM 0.03 | 6:52AM 0.08 | 7:25PM 0.07 | 8:07AM 0.11 | 8:24PM 0.09 | ||||||||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | Sat 13 | |||||||||||||||||||||
| Sunrise | - | - | 7:00 | - | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:01 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:15 | - | - | - | - | - | - | - | 4:15 | - | - | - | - | - | - | - | 4:15 | - | - | - |
 | |  |  |  | | |  |  | | | | |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 6 | 4 | 7 | 9 | 9 | 9 | 7 | 6 | 5 | 4 | 0 | 0 | -1 | -1 | -2 | -2 | -2 | -3 | -2 | 0 | 0 | -1 | -2 | -2 |
| Feels °C (?) | -3 | -4 | -1 | 0 | -1 | -1 | -1 | -1 | -3 | -4 | -9 | -10 | -11 | -12 | -13 | -14 | -13 | -13 | -12 | -9 | -8 | -9 | -10 | -9 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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