K38 and 39 Surf Break

Lat Long: 41.37° N 71.50° W

K38 and 39 48 hour detailed Surf Forecast

Issued: 1 am 12 Oct 2026 (local time)

Forecast update in  hr  min

Today's K38 and 39 sea temperature is
16.8°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 (12 Oct):

  • Morning surf: Morning surf (12 Oct, local time) - 6ft (1.9m), 10s period with S swell.
  • Afternoon surf: Afternoon surf (12 Oct, local time) - 5ft (1.5m), 9s period with S swell.
  • Evening surf: Evening surf (12 Oct, local time) - 4.5ft (1.4m), 9s period with S swell.

The current surf forecast for K38 and 39 at 7AM is: 2.0m 10s primary swell from a South direction (forecast issued at 01:00am October 12). An open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (12 Oct)6ft (1.9m)10s
Afternoon (12 Oct)5ft (1.5m)9s
Evening (12 Oct)4.5ft (1.4m)9s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Tue night. Warm (max 24°C on Wed afternoon, min 12°C on Tue morning). Winds increasing (light winds from the N on Mon afternoon, fresh winds from the SW by Tue night).

Monday
12
Tuesday
13
Wednesday
14
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)
2
2
1
0
2
1
0
1
1
1
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)
2
SSE
8
2.1
SSE
9
1.9
S
10
1.7
S
9
1.6
S
9
1.5
S
9
1.4
S
9
1.3
S
8
1.2
S
8
1.1
S
8
1
S
8
0.9
S
8
0.8
S
8
0.7
S
8
1
S
8
1.2
S
5
1.7
SSW
6
2
SSW
6
1.7
SSW
7
1.8
SSW
7
1.6
SSW
7
1.3
SSW
7
1.1
SSW
7
0.9
SSW
7
Wave Graph
Metric surfscale
Energy kJ
489
736
683
505
421
363
297
241
201
167
136
105
78
57
115
64
186
321
265
315
222
145
114
73
Wind (km/h)
30
NNE
30
NNE
25
NNE
25
N
10
N
10
NW
15
NW
15
NNW
20
NE
25
ENE
20
ENE
15
ESE
15
SE
20
SSE
20
SSW
30
SSW
35
SW
30
SW
25
WSW
20
WSW
20
WSW
15
W
10
NW
15
NNW
Wind State
off
off
cross-off
cross-off
cross-off
cross
cross
cross-off
off
off
cross-off
cross-off
cross
cross
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross
cross-off
High Tide
9:16AM1.16m
9:33PM0.94m
9:56AM1.11m
10:13PM0.88m
10:37AM1.03m
10:55PM0.82m
Low Tide
2:55AM-0.07m
3:38PM-0.02m
3:25AM-0.02m
4:11PM0.04m
3:54AM0.03m
4:43PM0.11m
light rain
light rain
cloud
part cloud
clear
clear
clear
part cloud
clear
cloud
cloud
cloud
cloud
cloud
cloud
rain showers
clear
clear
clear
clear
cloud
cloud
light rain
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
6:54
—
—
—
—
—
—
—
6:54
—
—
—
—
—
—
—
6:56
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
6:09
—
—
—
—
—
—
—
6:07
—
—
—
—
—
—
—
6:07
—
—
 mm
3
1
—
—
—
—
—
—
—
—
—
—
—
—
—
1
—
—
—
—
—
—
1
—
Temp °C
14
14
13
15
19
21
17
17
15
13
12
13
14
15
18
18
18
18
18
21
24
23
18
17
Feels °C
9
9
9
11
18
20
15
16
12
9
8
10
12
13
17
15
14
15
16
20
22
22
17
14
  • 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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