K38 and 39 Surf Break

Lat Long: 41.37° N 71.50° W

K38 and 39 48 hour detailed Surf Forecast

Issued: 7 am 13 Aug 2026 (local time)

Forecast update in  hr  min

Today's K38 and 39 sea temperature is
22.7° C
0.8° 

K38 and 39 surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at K38 and 39 today (13 Aug):

  • Morning surf: Morning surf (13 Aug, local time) - 1.5ft (0.4m), 4s period with SW swell.
  • Afternoon surf: Afternoon surf (13 Aug, local time) - 2ft (0.6m), 4s period with SSW swell.
  • Evening surf: Evening surf (13 Aug, local time) - 2ft (0.6m), 4s period with SW swell.

The current surf forecast for K38 and 39 at 4PM is: 0.7m 4s primary swell from a South-southwest direction and 0.1m 8s secondary swell from a Southeast direction, 0.1m 10s secondary swell from a Southeast direction (forecast issued at 07:00am August 13). The wind direction is predicted to be onshore.

Time (EDT) & DateWave HeightWave Period
Morning (13 Aug)1.5ft (0.4m)4s
Afternoon (13 Aug)2ft (0.6m)4s
Evening (13 Aug)2ft (0.6m)4s

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


Short Range Forecast

Light rain (total 6mm), mostly falling on Thu morning. Warm (max 28°C on Thu afternoon, min 17°C on Sat morning). Wind will be generally light.

Thursday
13
Friday
14
Saturday
15
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
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
SW
4
0.4
SW
4
0.4
SW
4
0.5
SSW
4
0.7
SW
4
0.6
SW
4
0.5
SSW
5
0.4
SSW
5
0.4
SSW
5
0.4
SSW
5
0.3
SSW
5
0.3
SSW
5
0.3
SSW
5
0.4
SW
3
0.2
S
5
0.2
S
5
0.2
S
5
0.1
SE
9
0.1
SE
9
0.1
SE
9
0.2
SSE
6
0.3
S
6
0.4
SSW
6
Wave Graph
Metric surfscale
Energy kJ
5
3
4
10
13
14
14
10
8
8
5
5
5
3
3
3
3
3
3
3
4
6
11
Wind (km/h)
10
W
10
WSW
15
WSW
20
SW
20
W
15
WNW
15
NW
15
NW
10
NNW
10
NW
10
WNW
15
W
20
W
15
NW
20
NNE
15
NNE
15
N
15
N
10
N
5
SE
15
S
15
S
15
S
Wind State
cross-on
on
cross-on
on
cross-on
cross-on
cross
cross
cross-off
cross
cross
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
cross-on
cross-on
cross-on
High Tide
8:42AM1.17m
9:05PM1.23m
9:29AM1.19m
9:51PM1.17m
10:15AM1.17m
10:35PM1.09m
Low Tide
2:44AM-0.14m
2:58PM-0.14m
3:26AM-0.14m
3:46PM-0.11m
4:06AM-0.11m
4:32PM-0.05m
thunderstorm
thunderstorm
thunderstorm
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:52
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:47
7:46
7:45
 mm
1
2
4
Temp °C
21
21
22
25
28
27
23
21
21
21
26
27
27
25
22
20
19
17
21
23
22
21
21
Feels °C
22
22
23
24
26
25
21
19
20
20
24
24
24
22
18
16
16
13
18
21
19
19
19
  • 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
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our K38 and 39 surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


Nearest locationNearest