K38 and 39 Surf Break

Lat Long: 41.37° N 71.50° W

K38 and 39 48 hour detailed Surf Forecast

Issued: 1 am 03 Sep 2026 (local time)

Forecast update in  hr  min

Today's K38 and 39 sea temperature is
20.9°C
0.5° 

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 (03 Sep):

  • Morning surf: Morning surf (03 Sep, local time) - 1.5ft (0.5m), 9s period with SE swell.
  • Afternoon surf: Afternoon surf (03 Sep, local time) - 1.5ft (0.4m), 9s period with SE swell.
  • Evening surf: Evening surf (03 Sep, local time) - 3ft (0.9m), 5s period with SSW swell.

The current surf forecast for K38 and 39 at 7AM is: 0.5m 9s primary swell from a Southeast direction and 1.0m 4s secondary swell from a South-southeast direction (forecast issued at 01:00am September 03). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (03 Sep)1.5ft (0.5m)9s
Afternoon (03 Sep)1.5ft (0.4m)9s
Evening (03 Sep)3ft (0.9m)5s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Thu afternoon. Warm (max 25°C on Thu afternoon, min 15°C on Sat night). Wind will be generally light.

Thursday
3
Friday
4
Saturday
5
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
0
0
0
0
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
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
SE
9
0.5
SE
9
0.5
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.9
SSW
5
0.8
SSW
5
0.7
S
5
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.3
SE
8
0.3
SE
8
0.3
SE
8
0.3
SE
8
0.3
SE
8
0.3
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.3
SE
8
0.3
SSW
6
Wave Graph
Metric surfscale
Energy kJ
42
40
39
28
28
29
37
29
24
24
23
23
10
10
10
10
9
9
14
14
14
14
10
6
Wind (km/h)
20
SSE
20
S
20
SSW
15
SW
20
SW
15
WSW
10
WSW
10
WSW
10
NW
5
N
5
N
0
ENE
10
SSW
15
SSW
10
NW
10
N
20
N
15
NNW
20
N
15
NNE
20
NE
15
NE
20
NE
20
NE
Wind State
cross
cross-on
on
on
on
on
on
cross-on
cross
cross-off
glassy
glassy
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
off
off
off
off
off
High Tide
00:28AM0.85m
1:04PM1.06m
1:30AM0.80m
2:08PM1.04m
2:39AM0.79m
3:17PM1.05m
Low Tide
5:57AM0.03m
7:06PM0.14m
6:58AM0.08m
8:29PM0.16m
8:16AM0.11m
10:00PM0.14m
cloud
cloud
cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
part cloud
clear
cloud
part cloud
clear
clear
cloud
cloud
cloud
part cloud
clear
clear
clear
part cloud
rain showers
rain showers
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:13
6:13
6:15
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:15
7:14
7:13
 mm
1
1
1
1
1
Temp °C
20
21
21
23
24
25
24
23
22
21
21
24
25
24
25
22
21
19
19
22
22
21
19
17
Feels °C
19
20
22
24
24
26
26
26
25
24
24
27
26
25
26
22
19
17
17
20
20
20
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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