K38 and 39 Surf Break

Lat Long: 41.37° N 71.50° W

K38 and 39 48 hour detailed Surf Forecast

Issued: 7 pm 21 Aug 2026 (local time)

Forecast update in  hr  min

Today's K38 and 39 sea temperature is
21.5° C
0.1° 

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 (22 Aug):

  • Morning surf: Morning surf (22 Aug, local time) - 2.5ft (0.8m), 5s period with E swell.
  • Afternoon surf: Afternoon surf (22 Aug, local time) - 2ft (0.6m), 5s period with E swell.
  • Evening surf: Evening surf (22 Aug, local time) - 1ft (0.3m), 5s period with E swell.

The current surf forecast for K38 and 39 at 12AM is: 0.1m 14s primary swell from a Southeast direction and 0.3m 5s secondary swell from a South direction (forecast issued at 07:00pm August 21). An open ocean swell of 1.0m 5s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (EDT) & DateWave HeightWave Period
Morning (22 Aug)2.5ft (0.8m)5s
Afternoon (22 Aug)2ft (0.6m)5s
Evening (22 Aug)1ft (0.3m)5s

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


Short Range Forecast

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

Fri
21
Saturday
22
Sunday
23
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)
0.1
S
14
0.8
ESE
6
0.3
S
5
0.7
E
5
0.7
E
5
0.8
E
5
0.8
E
5
0.6
E
5
0.5
E
5
0.2
SSE
9
0.3
E
5
0.3
SE
7
0.2
SSE
9
0.2
SSE
8
0.3
SE
8
0.2
SSE
12
0.2
SSE
12
0.7
SSE
5
0.9
SSE
6
Wave Graph
Metric surfscale
Energy kJ
4
42
8
28
26
36
34
18
12
8
5
8
8
7
10
14
14
24
53
Wind (km/h)
30
NNE
25
NNE
20
NE
20
NNE
20
NNE
20
NNE
20
NE
15
NNE
15
NNE
10
NNE
10
NE
10
ENE
15
NE
15
ENE
10
SSE
20
SSW
20
SSW
15
SSW
20
SSW
Wind State
off
off
off
cross-off
cross-off
off
off
off
off
off
off
off
off
cross-off
cross-on
cross-on
on
on
on
High Tide
3:20PM0.87m
3:44AM0.69m
4:18PM0.88m
4:44AM0.72m
5:12PM0.91m
Low Tide
10:39PM0.29m
9:48AM0.27m
11:36PM0.25m
11:03AM0.24m
light rain
light rain
cloud
cloud
cloud
cloud
cloud
light rain
cloud
part cloud
cloud
cloud
cloud
light rain
part cloud
clear
thunderstorm
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:37
7:35
7:34
 mm
2
1
1
1
1
Temp °C
18
18
18
18
18
19
19
19
18
18
18
18
18
19
23
25
25
24
24
Feels °C
15
16
16
17
17
18
18
20
18
18
19
19
18
19
25
26
24
25
24
  • 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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