Nai Harn Beach Surf Break

Nai Harn Beach 48 hour detailed Surf Forecast

Lat Long: 7.78° N 98.30° E

Issued: 6 pm 28 Jun 2026 (local time)

Forecast update in  hr  min

Today's Nai Harn Beach sea temperature is
30.5° C

1.0°C warmer than normal for this time of year

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 (29 Jun):

  • Morning surf: Morning surf (29 Jun, local time) - 0.5ft (0.2m), 17s period with WSW swell.
  • Afternoon surf: Afternoon surf (29 Jun, local time) - 0.5ft (0.2m), 17s period with WSW swell.
  • Evening surf: Evening surf (29 Jun, local time) - 3.5ft (1.1m), 7s period with W swell.

The current surf forecast for Nai Harn Beach at 1AM is: 1.5m 6s primary swell from a West direction and 0.2m 18s secondary swell from a West-southwest direction (forecast issued at 06:00pm June 28). The wind direction is predicted to be cross-onshore.

Time (+07) & DateWave HeightWave Period
Morning (29 Jun)0.5ft (0.2m)17s
Afternoon (29 Jun)0.5ft (0.2m)17s
Evening (29 Jun)3.5ft (1.1m)7s

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 65mm), heaviest during Sun night. Warm (max 29°C on Sun afternoon, min 26°C on Tue morning). Mainly fresh winds.

Sun
28
Monday
29
Tuesday
30
Wed
1
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
4 AM
7 AM
10 AM
1 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)
0.2
WSW
18
0.9
W
5
1.1
W
6
1.5
W
6
0.2
WSW
18
0.2
WSW
18
0.2
WSW
17
0.2
WSW
17
1.2
W
7
1.1
W
7
1
W
7
1
W
7
1
W
7
1
W
9
1
W
9
1.2
W
6
1.4
W
6
1.5
W
6
1.6
WSW
7
1.7
WSW
7
1.8
WSW
7
1.8
W
7
1.6
W
7
1.5
W
7
Wave Graph
Metric surfscale
Energy kJ
33
45
80
170
30
30
30
29
134
110
91
94
103
150
153
92
119
182
247
285
336
358
279
246
Wind (km/h)
25
WNW
30
WNW
25
WNW
30
W
30
W
30
W
35
W
30
WNW
30
WNW
25
WNW
20
WNW
25
W
25
WSW
25
WSW
25
WSW
25
W
25
W
20
W
25
W
30
W
35
W
30
WSW
30
WSW
35
WSW
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
High Tide
9:58PM1.39m
10:08AM1.77m
10:35PM1.44m
10:43AM1.83m
11:09PM1.48m
11:17AM1.86m
Low Tide
4:02PM0.39m
3:45AM0.44m
4:38PM0.32m
4:22AM0.39m
5:12PM0.27m
4:57AM0.35m
thunderstorm
mod rain
mod rain
thunderstorm
thunderstorm
thunderstorm
cloud
part cloud
part cloud
thunderstorm
part cloud
thunderstorm
thunderstorm
cloud
thunderstorm
mod rain
mod rain
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
6:13
6:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:50
6:46
6:46
6:46
 mm
2
6
7
3
5
3
1
2
1
5
7
7
2
1
1
4
4
4
Temp °C
29
28
27
28
27
27
28
28
28
28
28
27
28
28
28
26
26
28
28
28
28
28
27
28
Feels °C
30
28
27
27
26
26
26
27
28
29
29
27
28
28
29
27
26
29
29
27
26
27
26
27
Swell 1
Height (m)
Direction
Period (s)
0.2
WSW
13
0.2
WSW
13
0.2
WSW
13
0.2
WSW
18
0.2
WSW
18
0.2
WSW
18
0.2
WSW
17
0.2
WSW
17
0.2
WSW
17
0.2
WSW
17
0.2
WSW
16
0.2
WSW
16
0.2
WSW
16
0.2
WSW
16
0.2
WSW
16
0.2
WSW
16
0.2
WSW
16
0.1
SW
16
0.1
SW
15
0.2
W
15
1.6
W
7
0.2
W
15
Energy kJ
18
17
17
31
30
30
30
29
29
27
26
26
26
25
25
25
25
10
9
18
279
17
Swell 2
Height (m)
Direction
Period (s)
0.2
WSW
18
0.2
WSW
18
0.2
WSW
18
0.2
WSW
13
0.2
WSW
13
0.1
SW
13
0.1
W
13
0.1
W
13
0.1
W
13
0.1
W
13
0.2
WSW
16
0.1
SW
16
0.1
W
21
0.1
W
21
0.1
W
20
0.1
W
19
0.2
W
15
0.1
W
19
Energy kJ
33
32
31
17
17
7
3
3
3
3
26
10
9
9
7
7
18
7
Swell 3
Height (m)
Direction
Period (s)
0.1
W
20
0.1
W
19
0.1
SW
19
Energy kJ
7
7
15
Wind waves
Height (m)
Direction
Period (s)
0.8
W
6
0.9
W
5
1.1
W
6
1.5
W
6
1.6
W
7
1.6
W
7
1.5
W
7
1.4
W
7
1.2
W
7
1.1
W
7
1
W
7
1
W
7
1
W
7
1
W
9
1
W
9
1.2
W
6
1.4
W
6
1.5
W
6
1.6
WSW
7
1.7
WSW
7
1.8
WSW
7
1.8
W
7
1
WSW
8
1.5
W
7
Energy kJ
54
45
80
170
233
250
220
189
134
110
91
94
103
150
153
92
119
182
247
285
336
358
120
246
Nearest Offshore or Glassy
Rating
(10 max)
3
3
1
4
4
4
4
4
4
1
1
1
1
1
1
4
3
2
2
2
3
3
3
3
Distance (km)
748
744
4
782
641
641
641
641
797
4
4
4
24
4
4
782
797
4
4
24
641
641
782
782
Best forecast wave conditions in Phuket
Rating
(10 max)
1
1
1
1
1
1
1
2
2
2
Best forecast wave conditions in Thailand
Rating
(10 max)
1
1
1
1
1
1
1
2
2
2
Header Global
Rating
(10 max)
6
6
5
5
6
9
6
6
7
6
6
5
5
5
5
5
5
5
5
5
5
5
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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