K38 and 39 Surf Break

Lat Long: 41.37° N 71.50° W

K38 and 39 48 hour detailed Surf Forecast

Issued: 1 am 22 Sep 2026 (local time)

Forecast update in  hr  min

Today's K38 and 39 sea temperature is
20.8°C
2.1° 

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 Sep):

  • Morning surf: Morning surf (22 Sep, local time) - 3ft (0.9m), 7s period with ESE swell.
  • Afternoon surf: Afternoon surf (22 Sep, local time) - 5ft (1.6m), 6s period with E swell.
  • Evening surf: Evening surf (22 Sep, local time) - 5.5ft (1.7m), 7s period with E swell.

The current surf forecast for K38 and 39 at 9AM is: 0.9m 7s primary swell from a East-southeast direction (forecast issued at 01:00am September 22). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (EDT) & DateWave HeightWave Period
Morning (22 Sep)3ft (0.9m)7s
Afternoon (22 Sep)5ft (1.6m)6s
Evening (22 Sep)5.5ft (1.7m)7s

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


Short Range Forecast

Mostly dry. Very mild (max 16°C on Tue morning, min 12°C on Wed night). Mainly strong winds.

Tuesday
22
Wednesday
23
Thursday
24
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
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
0
1
1
0
0
0
0
1
1
0
1
0
0
1
1
2
2
2
2
1
1
1
1
1
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)
0.6
SE
8
0.8
E
6
0.9
ESE
7
1.3
E
7
1.5
E
7
1.7
E
6
1.7
E
7
1.6
E
7
1.7
E
8
1.8
E
6
2
E
6
2.2
E
7
2.2
E
8
2.2
E
9
1.7
ESE
10
2.1
E
10
1.9
ESE
10
1.7
ESE
11
1.9
ESE
11
1.8
ESE
11
1.9
ESE
11
1.9
ESE
12
1.7
ESE
12
1.7
ESE
12
Wave Graph
Metric surfscale
Energy kJ
37
43
68
149
199
225
255
267
320
0
321
453
655
805
551
865
734
713
853
800
910
976
793
793
Wind (km/h)
20
NE
20
NNE
25
NNE
30
ENE
30
NE
35
ENE
30
NE
25
NE
25
NE
30
NE
35
NE
35
ENE
40
NE
35
NE
35
NE
30
NE
30
NE
30
NE
35
NE
40
NE
40
NE
40
NE
35
NE
35
NNE
Wind State
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
High Tide
5:07AM0.79m
5:29PM0.91m
5:54AM0.87m
6:14PM0.97m
6:37AM0.97m
6:56PM1.02m
Low Tide
11:36PM0.21m
11:27AM0.20m
00:08AM0.14m
12:10PM0.13m
00:37AM0.07m
12:48PM0.05m
cloud
cloud
cloud
cloud
cloud
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:31
6:33
6:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:44
6:42
6:39
 mm
Temp °C
15
14
14
16
16
16
14
13
13
13
14
16
16
14
13
12
12
12
13
15
16
14
12
13
Feels °C
12
10
10
10
10
9
8
8
7
7
7
9
8
6
6
6
6
6
6
7
8
6
4
5
  • 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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