Nai Harn Beach Surf Break

Nai Harn Beach Surf Forecast and Surf Report

Lat Long: 7.78° N 98.30° E

Issued: 6 am 22 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.


Nai Harn Beach surf forecast from 22 Jun 2026:

  • Most powerful swell: Monday 29 Jun, 1PM (local time) - 6ft (1.9m), 7s period, W swell with 389 kJ wave energy.

Best Forecast Surf Conditions for Nai Harn Beach this week:

The most powerful waves expected at Nai Harn Beach in the next 16 days are 1.9m 7s and forecast to arrive on Monday (Jun 29) at 1PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 7s period and expected on Monday (Jun 29) at 7AM.

Wave TypeTime (+07) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 1PM (Mon 29th Jun)6ft (1.9m) 7s

Table - best surf conditions forecast for Nai Harn Beach over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 9mm), mostly falling on Tue night. Warm (max 29°C on Mon morning, min 28°C on Mon night). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 52mm), heaviest during Fri night. Warm (max 29°C on Thu night, min 27°C on Fri night). Mainly fresh winds.

Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
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
Wave
Height (m)
Direction
Period (s)
0.7
W
7
0.2
WSW
14
0.4
WSW
7
0.4
W
7
0.2
WSW
13
0.5
W
4
0.4
WSW
5
0.8
W
5
0.5
WSW
5
1
W
6
1.1
W
6
0.6
W
7
0.2
WSW
16
0.2
WSW
16
0.2
WSW
16
0.2
WSW
15
0.7
WSW
8
0.3
WSW
14
0.6
W
8
0.6
W
7
1.4
W
6
Wave Graph
Metric surfscale
Energy kJ
43
20
19
18
18
9
8
34
15
68
94
32
24
24
25
22
60
41
46
35
132
Wind (km/h)
20
NW
25
WNW
20
WNW
20
WNW
20
WNW
20
WNW
15
WNW
20
W
20
W
20
W
20
W
20
W
20
W
20
WSW
25
WSW
20
W
25
WNW
30
W
35
W
35
W
35
WSW
Wind State
cross
cross
cross-on
cross
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
High Tide
4:00PM1.41m
5:08AM1.40m
5:07PM1.29m
6:13AM1.43m
6:22PM1.23m
7:13AM1.48m
7:33PM1.23m
8:05AM1.55m
8:31PM1.27m
8:50AM1.63m
9:18PM1.33m
9:30AM1.70m
9:58PM1.39m
Low Tide
10:32PM0.49m
11:16AM0.72m
11:30PM0.55m
12:37PM0.70m
00:30AM0.58m
1:46PM0.64m
1:28AM0.57m
2:39PM0.55m
2:19AM0.54m
3:23PM0.46m
3:04AM0.49m
4:02PM0.39m
3:45AM0.44m
clear
clear
clear
clear
clear
thunderstorm
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
6:11
6:11
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
6:45
6:45
6:50
 mm
3
6
9
3
7
1
3
10
7
12
12
14
36
Temp °C
29
29
29
29
29
29
29
29
29
28
28
29
29
29
28
28
28
28
27
26
26
Feels °C
31
29
31
31
30
31
32
31
32
30
29
31
30
30
29
28
28
28
25
25
25
Swell 1
Height (m)
Direction
Period (s)
0.7
W
7
0.2
WSW
14
0.4
WSW
7
0.4
W
7
0.3
W
7
0.3
W
6
0.4
WSW
5
0.1
W
12
0.4
WNW
6
0.2
W
15
1.1
W
6
1
W
7
1
W
7
1
W
7
0.2
WSW
16
0.2
WSW
15
0.8
WNW
7
0.9
W
7
0.6
W
8
0.5
WNW
8
Energy kJ
43
20
16
15
8
7
8
3
14
18
94
86
97
100
25
22
51
86
46
34
Swell 2
Height (m)
Direction
Period (s)
0.2
WSW
15
0.1
SW
14
0.2
WSW
14
0.2
WSW
14
0.2
WSW
13
0.1
W
13
0.4
NW
5
0.1
W
16
0.2
W
8
0.1
W
12
0.1
W
15
0.2
WSW
15
0.2
WSW
16
0.2
WSW
16
0.1
W
22
0.7
WSW
8
0.3
WSW
14
0.6
WNW
7
0.2
WSW
13
0.1
SW
13
Energy kJ
21
8
19
18
18
3
7
5
5
3
4
22
24
24
9
60
41
32
18
7
Swell 3
Height (m)
Direction
Period (s)
0.1
W
10
0.1
W
18
0.1
W
16
0.2
W
8
0.1
W
13
0.1
W
16
0.1
W
18
0.3
WSW
15
0.2
WSW
20
0.2
WSW
14
0.2
WSW
18
Energy kJ
2
6
5
5
3
5
6
42
38
19
33
Wind waves
Height (m)
Direction
Period (s)
0.3
NW
3
0.8
WNW
7
0.5
WNW
4
0.4
WNW
4
0.5
W
4
0.5
W
4
0.8
W
5
0.5
WSW
5
1
W
6
0.7
W
6
0.6
W
7
1
W
7
1.1
W
7
0.7
W
7
0.6
W
7
0.6
W
7
1.4
W
6
Energy kJ
1
65
10
6
8
9
34
15
68
38
32
103
114
50
38
35
132
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
4
3
3
3
3
3
1
1
1
1
1
1
1
4
4
4
3
4
Distance (km)
635
635
635
635
636
782
645
635
635
24
4
4
4
4
24
4
635
772
635
636
782
Best forecast wave conditions in Phuket
Rating
(10 max)
1
1
1
1
1
1
1
Best forecast wave conditions in Thailand
Rating
(10 max)
1
1
1
1
1
1
1
Header Global
Rating
(10 max)
7
5
6
5
5
8
8
8
5
5
5
6
5
5
5
5
5
4
9
7
8
  • 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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Information about the Nai Harn Beach Surf forecast

The above surf forecast table for Nai Harn Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Nai Harn Beach can be found by selecting the local surf guide option on the grey menu. Our Nai Harn Beach surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Nai Harn Beach) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Nai Harn Beach may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Nai Harn Beach is 8 km (5 miles) from the city of Ban Chalong. If you plan a holiday in Phuket, look for hotels and other accommodation in Ban Chalong. Ban Chalong has rooms for a wide range of budgets as well as car hire and transport links.

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