K38 and 39 Surf Break

Lat Long: 41.37° N 71.50° W

K38 and 39 48 hour detailed Surf Forecast

Issued: 7 pm 25 Aug 2026 (local time)

Forecast update in  hr  min

Today's K38 and 39 sea temperature is
20.9°C
0.2° 

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 (26 Aug):

  • Morning surf: Morning surf (26 Aug, local time) - 1.5ft (0.4m), 9s period with SE swell.
  • Afternoon surf: Afternoon surf (26 Aug, local time) - 2ft (0.6m), 8s period with SE swell.
  • Evening surf: Evening surf (26 Aug, local time) - 2ft (0.6m), 8s period with SE swell.

The current surf forecast for K38 and 39 at 4AM is: 0.3m 10s primary swell from a Southeast direction and 0.4m 5s secondary swell from a South-southwest direction (forecast issued at 07:00pm August 25). The wind direction is predicted to be cross-shore.

Time (EDT) & DateWave HeightWave Period
Morning (26 Aug)1.5ft (0.4m)9s
Afternoon (26 Aug)2ft (0.6m)8s
Evening (26 Aug)2ft (0.6m)8s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Thu night. Warm (max 25°C on Wed afternoon, min 18°C on Tue night). Wind will be generally light.

Tue
25
Wednesday
26
Thursday
27
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
SE
10
0.3
SE
10
0.6
SSW
5
0.3
SE
10
0.3
SE
9
0.4
SE
9
0.4
SE
9
0.6
SE
8
0.6
SE
8
0.6
SE
8
0.6
SE
8
0.6
SE
8
0.6
SE
8
0.6
SE
8
0.6
SE
8
0.6
SE
9
0.6
SE
9
0.6
SE
9
0.6
SE
9
Wave Graph
Metric surfscale
Energy kJ
17
17
17
17
14
29
27
45
43
45
58
55
55
44
45
46
47
49
56
Wind (km/h)
20
WSW
15
WSW
15
WNW
10
NW
10
WNW
10
NW
5
SW
15
SSW
15
SW
20
SW
15
SW
10
SW
10
SW
15
SSW
20
SSW
25
SSW
25
SSW
20
S
20
SSW
Wind State
cross-on
on
cross
cross
cross
cross
on
on
on
on
on
on
on
cross-on
on
cross-on
cross-on
cross-on
cross-on
High Tide
6:46PM1.01m
7:09AM0.92m
7:28PM1.05m
7:50AM0.98m
8:08PM1.08m
Low Tide
1:22AM0.09m
1:16PM0.09m
1:50AM0.04m
1:51PM0.04m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
clear
clear
part cloud
part cloud
clear
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:30
7:29
7:27
 mm
1
Temp °C
23
22
21
19
18
18
22
23
25
22
22
22
22
23
25
25
24
23
23
Feels °C
20
21
20
18
17
18
22
22
23
20
21
22
23
23
24
23
23
22
23
  • 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 

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