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Surf Forecasts:
K38 and 39 surfForecast / Rhode Island / USA
48hr Weather and Surf, issued 6 am Thursday 11 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
9.1° 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 8AM is: 1.7m 8s primary swell from a South-southwest direction and 0.1m 8s secondary swell from a East direction, 0.8m 4s secondary swell from a West-northwest direction (forecast issued at 06:00am December 11). The wind direction is predicted to be cross-shore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 5.5ft (1.7m) | 8s |
| Afternoon (11 Dec) | 5ft (1.5m) | 8s |
| Evening (11 Dec) | 6ft (1.9m) | 7s |
Table - waves today at K38 and 39. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| 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) (?) | 8 | 8 | 8 | 8 | 8 | 8 | 6 | 7 | 7 | 7 | 7 | 4 | 5 | 6 | 6 | 6 | 6 | 6 | 4 | 4 | 5 | 6 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 571 | 412 | 306 | 302 | 243 | 363 | 305 | 352 | 316 | 249 | 181 | 55 | 63 | 90 | 73 | 46 | 20 | 16 | 14 | 36 | 102 | 124 | 118 | 75 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | 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 | cross- on | cross- on | on | on | on | cross- on | cross- on | cross |
High Tide / height (m) | 12:47PM 0.84 | 1:21AM 0.84 | 1:44PM 0.78 | 2:18AM 0.84 | 2:39PM 0.74 | |||||||||||||||||||
Low Tide / height (m) | 6:52AM 0.08 | 7:25PM 0.07 | 8:07AM 0.11 | 8:24PM 0.09 | 9:15AM 0.12 | 9:17PM 0.09 | ||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| Sunrise | - | - | 7:01 | - | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:03 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:15 | - | - | - | - | - | - | - | 4:15 | - | - | - | - | - | - | - | 4:15 | - | - | - |
 |  |  | | | | | | | | | | | | | |  | |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 6 | 2 | -1 | 0 | -1 | -2 | -3 | -3 | -4 | -4 | -3 | -1 | 0 | -1 | -1 | -1 | -1 | 0 | 2 | 4 | 4 | 3 | 4 | 1 |
| Feels °C (?) | -2 | -6 | -10 | -10 | -12 | -13 | -14 | -14 | -14 | -13 | -12 | -10 | -8 | -9 | -8 | -7 | -6 | -6 | -4 | -3 | -4 | -5 | -4 | -6 |
- 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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