K38 and 39 Surf Break

Lat Long: 41.37° N 71.50° W

K38 and 39 48 hour detailed Surf Forecast

Issued: 7 am 21 Oct 2026 (local time)

Forecast update in  hr  min

Today's K38 and 39 sea temperature is
16.2°C
1.3° 

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 (21 Oct):

  • Morning surf: Morning surf (21 Oct, local time) - 5ft (1.6m), 10s period with ESE swell.
  • Afternoon surf: Afternoon surf (21 Oct, local time) - 5ft (1.6m), 10s period with ESE swell.
  • Evening surf: Evening surf (21 Oct, local time) - 5ft (1.5m), 10s period with ESE swell.

The current surf forecast for K38 and 39 at 2PM is: 1.6m 10s primary swell from a East-southeast direction (forecast issued at 07:00am October 21). An open ocean swell of 1.4m 6s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (EDT) & DateWave HeightWave Period
Morning (21 Oct)5ft (1.6m)10s
Afternoon (21 Oct)5ft (1.6m)10s
Evening (21 Oct)5ft (1.5m)10s

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


Short Range Forecast

Some drizzle, heaviest during Wed night. Very mild (max 16°C on Thu afternoon, min 7°C on Fri morning). Winds decreasing (strong winds from the NNE on Wed night, light winds from the NNE by Fri night).

Wednesday
21
Thursday
22
Friday
23
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
1
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)
1.5
ESE
10
1.5
ESE
10
1.7
ESE
10
1.6
ESE
10
1.6
ESE
10
1.6
ESE
10
1.4
ESE
10
1.4
ESE
10
1.3
ESE
10
1.2
ESE
10
1.1
E
10
0.9
ESE
10
0.9
E
9
0.8
ESE
9
0.7
ESE
9
0.6
ESE
9
0.4
ESE
9
0.4
ESE
9
0.4
ESE
10
0.4
ESE
12
0.4
ESE
12
0.4
ESE
12
0.4
SE
12
Wave Graph
Metric surfscale
Energy kJ
411
428
561
532
530
564
435
410
307
282
226
135
136
98
73
53
30
34
42
54
56
56
36
Wind (km/h)
35
NNE
40
NNE
40
NE
40
NNE
40
NNE
40
NNE
40
NNE
40
NNE
35
NNE
35
N
35
N
30
N
20
N
15
NNW
25
N
20
N
20
N
20
NNE
20
NNE
15
NNE
15
NE
20
ENE
15
ENE
Wind State
off
off
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
High Tide
4:29AM0.80m
4:49PM0.86m
5:17AM0.90m
5:37PM0.91m
6:02AM1.00m
6:22PM0.96m
Low Tide
10:41AM0.19m
11:07PM0.12m
11:31AM0.11m
11:44PM0.05m
12:15PM0.02m
clear
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
cloud
cloud
cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:03
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—
—
—
—
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7:05
—
—
—
—
—
—
—
7:05
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
5:55
—
—
—
—
—
—
—
5:54
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—
—
—
—
—
—
5:52
—
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 mm
—
—
—
—
—
—
—
1
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
10
9
10
11
10
9
10
9
9
9
11
14
16
14
11
11
9
7
9
12
13
10
9
Feels °C
2
1
1
3
2
1
2
0
1
1
3
6
11
10
5
6
3
1
3
7
8
5
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
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