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Surf Forecasts:
K38 and 39 surfForecast / Rhode Island / USA
48hr Weather and Surf, issued 1 pm Thursday 30 Apr 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
8.1° 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 5PM is: 0.9m 10s primary swell from a Southeast direction (forecast issued at 01:00pm April 30). The wind direction is predicted to be onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Apr) | 3ft (0.9m) | 10s |
| Afternoon (30 Apr) | 3ft (0.9m) | 10s |
| Evening (30 Apr) | 3ft (0.9m) | 10s |
Table - waves today at K38 and 39. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 13mm), heaviest on Sat night. Very mild (max 14°C on Fri afternoon, min 7°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 30 | Friday 1 | Saturday 2 | Sun 3 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
ESE 10 | ESE 10 | SE 10 | SE 10 | ESE 10 | ESE 10 | SE 9 | SE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | |
175 | 168 | 137 | 134 | 120 | 117 | 90 | 88 | 75 | 73 | 54 | 53 | 53 | 44 | 43 | 29 | 29 | 29 | 30 | 30 | 31 | 32 | 32 | 31 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | on | on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | on | on | cross-on | on | on | glassy | on | cross-on | on | cross-on | glassy | cross-off | cross-off | cross-off | |
High Tide | 7:47PM1.10m | 8:08AM0.88m | 8:26PM1.09m | 8:47AM0.87m | 9:04PM1.07m | |||||||||||||||||||
Low Tide | 1:38PM-0.04m | 2:24AM-0.07m | 2:08PM-0.04m | 2:56AM-0.05m | 2:37PM-0.02m | 3:27AM-0.02m | ||||||||||||||||||
 | |  |  |  | | |  | | | |  | | | | | | | | |  | | |  | |
 | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:41 | — |
 | — | — | 7:42 | — | — | — | — | — | — | — | 7:43 | — | — | — | — | — | — | — | 7:44 | — | — | — | — | 7:45 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 5 | 3 | |
Temp °C | 9 | 10 | 11 | 11 | 10 | 9 | 7 | 8 | 12 | 13 | 14 | 12 | 11 | 10 | 9 | 10 | 10 | 11 | 10 | 9 | 8 | 8 | 8 | 8 |
8 | 8 | 8 | 9 | 8 | 6 | 3 | 5 | 8 | 7 | 8 | 6 | 5 | 6 | 5 | 8 | 7 | 7 | 6 | 7 | 7 | 6 | 4 | 4 | |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 10 | SE 10 | SE 10 | ESE 10 | ESE 10 | SE 9 | SE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | SW 4 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | SSW 4 | ESE 9 | ESE 9 | ESE 9 |
 kJ | 175 | 168 | 137 | 134 | 120 | 117 | 90 | 88 | 75 | 73 | 54 | 53 | 53 | 44 | 14 | 29 | 29 | 29 | 30 | 30 | 9 | 32 | 32 | 31 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ESE 9 | SW 4 | SSW 6 | — | — | SW 5 | ESE 9 | SSW 4 | SSW 4 | SSW 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 43 | 9 | 3 | — | — | 1 | 31 | 3 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 6 | — | — | — | — | S 5 | S 5 | S 5 | S 5 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | 1 | 1 | 1 | 1 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | NW 2 | NW 2 | WNW 2 | WSW 3 | SW 4 | SW 4 | SW 4 | SW 4 | — | — | SSW 5 | SSW 5 | SSW 4 | SSW 4 | — | — | — | — |
| kJ | — | — | — | — | — | — | 1 | 1 | 1 | 7 | 22 | 28 | 21 | 25 | — | — | 8 | 15 | 11 | 12 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 106 | 108 | 45 | 45 | 101 | 44 | 44 | 109 | 114 | 68 | 78 | 45 | 50 | 50 |
Best forecast wave conditions in Rhode Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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