K38 and 39 Surf Break

Lat Long: 41.37° N 71.50° W

K38 and 39 48 hour detailed Surf Forecast

Issued: 7 pm 31 Jul 2026 (local time)

Forecast update in  hr  min

Today's K38 and 39 sea temperature is
20.9° 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 (01 Aug):

  • Morning surf: Morning surf (01 Aug, local time) - 3ft (0.9m), 8s period with S swell.
  • Afternoon surf: Afternoon surf (01 Aug, local time) - 2.5ft (0.7m), 8s period with S swell.
  • Evening surf: Evening surf (01 Aug, local time) - 2ft (0.6m), 8s period with S swell.

The current surf forecast for K38 and 39 at 3AM is: 0.8m 8s primary swell from a South direction and 0.1m 6s secondary swell from a East direction, 0.5m 3s secondary swell from a Southwest direction (forecast issued at 07:00pm July 31). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (01 Aug)3ft (0.9m)8s
Afternoon (01 Aug)2.5ft (0.7m)8s
Evening (01 Aug)2ft (0.6m)8s

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


Short Range Forecast

Moderate rain (total 11mm), heaviest on Sun night. Warm (max 25°C on Sat morning, min 21°C on Sat night). Wind will be generally light.

Fri
31
Saturday
1
Sunday
2
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)
0.9
S
8
0.8
S
8
0.8
S
8
0.8
S
8
0.8
S
8
0.9
S
8
0.8
S
8
0.8
S
8
0.6
S
8
0.6
S
8
0.6
S
8
0.6
S
8
0.5
S
8
0.5
S
7
0.5
S
7
0.5
S
7
0.5
S
7
0.4
S
7
0.4
SE
7
Wave Graph
Metric surfscale
Energy kJ
113
88
86
86
86
102
78
76
44
42
41
42
29
27
26
24
23
14
13
Wind (km/h)
15
SSW
10
SSW
10
SW
15
WSW
10
W
5
WSW
15
SSW
20
SSW
20
SSW
20
SSW
15
SSW
10
SSW
10
S
15
S
15
S
15
S
15
S
10
SSE
15
SE
Wind State
on
on
on
on
cross-on
cross-on
on
on
on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
High Tide
9:53PM1.05m
10:18AM1.00m
10:33PM1.02m
10:59AM1.02m
Low Tide
3:22PM0.05m
3:49AM0.01m
3:59PM0.05m
4:19AM0.01m
4:39PM0.06m
clear
rain showers
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:39
5:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:04
8:02
8:01
 mm
1
Temp °C
23
23
22
22
22
22
25
25
25
23
22
21
21
22
23
24
24
23
23
Feels °C
23
24
23
22
23
23
25
24
24
23
23
22
23
24
23
24
25
25
25
  • 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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