K38 and 39 Surf Break

Lat Long: 41.37° N 71.50° W

K38 and 39 48 hour detailed Surf Forecast

Issued: 1 pm 09 Sep 2026 (local time)

Forecast update in  hr  min

Today's K38 and 39 sea temperature is
20.4°C
0.3° 

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 (09 Sep):

  • Morning surf: Morning surf (09 Sep, local time) - 0.5ft (0.1m), 10s period with SE swell.
  • Afternoon surf: Afternoon surf (09 Sep, local time) - 2ft (0.6m), 4s period with SSW swell.
  • Evening surf: Evening surf (09 Sep, local time) - 4.5ft (1.3m), 5s period with SSW swell.

The current surf forecast for K38 and 39 at 4PM is: 0.7m 4s primary swell from a South-southwest direction and 0.2m 9s secondary swell from a South-southeast direction, 0.1m 10s secondary swell from a Southeast direction (forecast issued at 01:00pm September 09). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (09 Sep)0.5ft (0.1m)10s
Afternoon (09 Sep)2ft (0.6m)4s
Evening (09 Sep)4.5ft (1.3m)5s

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


Short Range Forecast

Some drizzle, heaviest during Thu morning. Warm (max 28°C on Thu afternoon, min 17°C on Sat morning). Winds decreasing (strong winds from the SW on Wed night, calm by Fri night).

Wed
9
Thursday
10
Friday
11
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.1
SE
10
0.5
SSW
3
0.9
SSW
4
1.1
SSW
5
1.6
SSW
6
2
SSW
6
2.2
SW
7
1.9
SW
7
1.7
SSW
7
1.5
SSW
7
1.3
SSW
7
1.2
SSW
7
1.1
SSW
7
0.9
SSW
7
0.8
SSW
7
0.8
SSW
6
0.7
SSW
6
0.6
S
6
0.6
S
6
0.6
SSW
6
0.6
SSW
7
Wave Graph
Metric surfscale
Energy kJ
4
6
23
48
145
309
412
342
282
222
178
136
105
82
60
56
41
28
27
29
35
Wind (km/h)
15
S
25
SSW
25
SSW
30
SSW
40
SW
40
SW
40
SW
30
WSW
25
WSW
25
WSW
20
WSW
10
WNW
10
NW
10
NW
10
NW
15
NW
15
NW
15
W
15
W
10
NW
10
NW
Wind State
cross-on
cross-on
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross-off
cross
High Tide
7:11PM1.17m
7:34AM1.16m
7:57PM1.17m
8:19AM1.20m
8:41PM1.15m
Low Tide
1:10PM-0.09m
1:39AM-0.10m
1:58PM-0.13m
2:18AM-0.12m
2:43PM-0.13m
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
light rain
cloud
clear
clear
cloud
cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:20
6:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:06
7:04
7:01
 mm
1
Temp °C
23
23
23
23
23
22
22
21
23
26
28
25
22
21
20
19
21
24
25
23
21
Feels °C
22
21
21
21
19
18
18
19
22
24
27
24
21
19
18
16
17
21
21
20
18
  • 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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