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Surf Forecasts:

K38 and 39 surf break

K38 and 39 surfForecast / Rhode Island / USA

information circle48hr Weather and Surf, issued 7 am Friday 20 Mar 2026 EDT
Forecast 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
3.3° C
 (Which is 1.2°C colder than average for this time of year)

How big are the waves at K38 and 39 today?

The current surf forecast for K38 and 39 at 10AM is: 0.6m 8s primary swell from a Southeast direction and 0.3m 8s secondary swell from a South direction, 0.4m 3s secondary swell from a Southwest direction (forecast issued at 07:00am March 20). The wind direction is predicted to be onshore.

Time (EDT) & DateWave HeightWave Period
Morning (20 Mar)2ft (0.6m)8s
Afternoon (20 Mar)2ft (0.6m)8s
Evening (20 Mar)5ft (1.6m)6s

Table - waves today at K38 and 39. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Friday
20
Saturday
21
Sunday
22
Mon
23
5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.5
SE
0.6
SE
0.5
SE
0.6
SE
1.2
SSW
1.6
SSW
1.8
SSW
2.1
SSW
2
SSW
1.7
SSW
1.5
SSW
1.3
S
1.1
S
0.9
SSW
0.9
S
0.8
S
0.7
S
0.9
SSE
1.1
S
1.3
S
1.3
S
1.3
SSW
1.6
SSW
1.2
SSW
Period(s) (?)888856667777777677456666
Wave
Graph
(?)Metric surfscale
Energy kJ (?)334234416115524735236229422818112768725243824887110126185119
Wind
(km/h)
10
SW
10
WSW
15
SSW
25
SSW
30
SSW
35
SSW
35
SSW
35
SW
15
WSW
15
W
20
NNW
15
NNW
15
N
5
NNE
10
ESE
10
ESE
15
SSE
25
SSE
30
S
30
SSW
20
SW
15
SW
10
WSW
25
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononononcross-
on		ononononcross-
on		cross-
off		cross-
off		cross-
off		offcross-
off		cross-
off		crosscross-
on		cross-
on		cross-
on		onononcross-
off
High Tide
/ height (m)
9:25AM
1.02
9:45PM
1.16
10:09AM
0.98
10:31PM
1.15
10:57AM
0.92
11:21PM
1.11
Low Tide
/ height (m)
3:07AM
-0.22
3:12PM
-0.20
3:50AM
-0.21
3:52PM
-0.19
4:37AM
-0.17
4:36PM
-0.15
Friday
20
Saturday
21
Sunday
22
Mon
23
Sunrise-6:50-------6:48-------6:46------
Sunset----6:57-------6:58-------6:59---
clear
clear
clear
clear
cloud
cloud
light rain
light rain
cloud
cloud
clear
clear
part cloud
cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
light rain
light rain
mod rain
light rain
Rain (mm)
------25------------1264
Temp. °C33556776669121295444687886
Feels °C (?)-2-10-2-2-1-1-2234876200-3-112550
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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View detailed surf forecast for K38 and 39 at:
surf-forecast.com

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