Nai Harn Beach Surf Break

Nai Harn Beach 48 hour detailed Surf Forecast

Lat Long: 7.78° N 98.30° E

Issued: 6 am 21 Jun 2026 (local time)

Forecast update in  hr  min

Today's Nai Harn Beach sea temperature is
30.4° C

Slightly warmer than usual

Nai Harn Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Nai Harn Beach today (21 Jun):

  • Morning surf: Morning surf (21 Jun, local time) - 0.5ft (0.2m), 16s period with WSW swell.
  • Afternoon surf: Afternoon surf (21 Jun, local time) - 3.5ft (1.0m), 5s period with W swell.
  • Evening surf: Evening surf (21 Jun, local time) - 3.5ft (1.0m), 6s period with W swell.

The current surf forecast for Nai Harn Beach at 10AM is: 0.2m 16s primary swell from a West-southwest direction and 0.4m 8s secondary swell from a West-southwest direction, 0.7m 4s secondary swell from a West direction (forecast issued at 06:00am June 21). The wind direction is predicted to be cross-shore.

Time (+07) & DateWave HeightWave Period
Morning (21 Jun)0.5ft (0.2m)16s
Afternoon (21 Jun)3.5ft (1.0m)5s
Evening (21 Jun)3.5ft (1.0m)6s

Table - waves today at Nai Harn Beach. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 29mm), heaviest during Sun morning. Warm (max 29°C on Tue afternoon, min 26°C on Sun afternoon). Wind will be generally light.

Sunday
21
Monday
22
Tuesday
23
Wed
24
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
W
8
0.8
W
8
0.4
WSW
8
0.9
W
5
1.1
W
5
1
W
5
1
W
6
0.9
W
6
0.9
W
6
0.2
WSW
15
0.8
W
7
0.8
W
7
0.8
W
7
0.9
W
5
0.8
W
5
0.8
W
7
0.7
W
7
0.7
W
7
0.2
WSW
14
0.7
W
5
0.8
W
5
0.9
W
5
0.9
W
5
0.8
W
6
Wave Graph
Metric surfscale
Energy kJ
74
72
25
37
53
57
67
56
58
21
55
55
57
34
28
61
46
44
18
21
30
45
47
39
Wind (km/h)
25
W
20
WNW
20
WNW
15
WNW
30
W
25
WNW
20
WNW
25
WNW
20
WNW
20
WNW
15
WNW
15
W
20
WNW
25
WNW
20
W
25
WNW
25
WNW
25
WNW
20
WNW
20
WNW
25
WNW
20
WNW
15
WNW
15
W
Wind State
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-on
cross-on
cross-on
cross
cross-on
High Tide
3:06AM1.44m
3:04PM1.56m
4:05AM1.41m
4:00PM1.41m
5:08AM1.40m
5:07PM1.29m
Low Tide
8:55AM0.59m
9:39PM0.40m
10:00AM0.68m
10:32PM0.49m
11:16AM0.72m
11:30PM0.55m
thunderstorm
thunderstorm
thunderstorm
mod rain
mod rain
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
6:11
6:11
6:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:45
6:45
6:45
6:45
 mm
2
3
6
7
7
1
1
2
3
1
Temp °C
28
28
28
27
26
26
27
27
28
28
28
28
28
28
28
28
28
28
28
28
29
29
28
28
Feels °C
29
29
30
29
26
26
28
27
29
29
30
30
29
29
29
28
28
29
29
29
29
30
30
30
Swell 1
Height (m)
Direction
Period (s)
0.2
WSW
16
0.2
WSW
16
0.4
WSW
8
0.2
WSW
16
0.2
WSW
15
0.2
WSW
15
0.2
WSW
15
0.2
WSW
15
0.2
WSW
15
0.8
W
7
0.2
WSW
15
0.2
WSW
14
0.2
WSW
14
0.2
WSW
14
0.2
WSW
14
0.2
WSW
14
0.2
WSW
14
0.2
WSW
14
0.3
W
7
0.3
W
7
0.2
WSW
13
0.2
WSW
13
0.9
W
5
0.8
W
6
Energy kJ
25
25
19
24
23
22
22
22
21
56
21
20
20
20
19
19
19
18
8
8
18
17
47
39
Swell 2
Height (m)
Direction
Period (s)
0.1
W
13
0.1
W
12
0.2
WSW
16
0.1
W
12
0.2
WSW
15
0.1
SW
15
0.2
WSW
15
0.1
W
11
0.1
SW
14
0.1
SW
14
0.1
W
10
0.2
WSW
14
0.2
WSW
13
0.1
W
17
0.1
W
16
0.2
WSW
13
0.1
W
13
Energy kJ
3
3
25
3
22
9
21
3
8
8
2
18
18
6
5
17
3
Swell 3
Height (m)
Direction
Period (s)
0.1
W
12
0.1
W
12
0.1
W
10
0.1
W
17
0.1
W
9
0.1
W
16
0.1
W
16
Energy kJ
3
3
2
6
2
5
5
Wind waves
Height (m)
Direction
Period (s)
0.8
W
8
0.8
W
8
0.7
W
4
0.9
W
5
1.1
W
5
1
W
5
1
W
6
0.9
W
6
0.9
W
6
0.8
W
7
0.8
W
7
0.8
W
7
0.9
W
5
0.8
W
5
0.8
W
7
0.7
W
7
0.7
W
7
0.6
W
4
0.7
W
5
0.8
W
5
0.9
W
5
0.6
W
5
Energy kJ
74
72
19
37
53
57
67
56
58
55
55
57
34
28
61
46
44
14
21
30
45
20
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
2
3
3
4
4
1
1
1
1
1
4
4
1
1
4
4
3
3
3
1
1
Distance (km)
4
4
744
744
1073
646
635
635
106
102
106
4
4
782
782
4
4
782
641
645
636
782
4
4
Best forecast wave conditions in Phuket
Rating
(10 max)
1
1
1
1
1
1
1
1
Best forecast wave conditions in Thailand
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
Header Global
Rating
(10 max)
5
9
9
9
8
8
7
7
7
6
6
6
7
6
5
5
5
5
5
6
5
5
6
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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