Nai Harn Beach Surf Break

Lat Long: 7.78° N 98.30° E

Nai Harn Beach 48 hour detailed Surf Forecast

Issued: 12 am 25 Aug 2026 (local time)

Forecast update in  hr  min

Today's Nai Harn Beach sea temperature is
29.8°C
0.8° 

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 (25 Aug):

  • Morning surf: Morning surf (25 Aug, local time) - 0.5ft (0.1m), 17s period with W swell.
  • Afternoon surf: Afternoon surf (25 Aug, local time) - 0.5ft (0.1m), 16s period with SW swell.
  • Evening surf: Evening surf (25 Aug, local time) - 0.5ft (0.1m), 16s period with SW swell.

The current surf forecast for Nai Harn Beach at 4AM is: 0.1m 18s primary swell from a West direction (forecast issued at 12:00am August 25). An open ocean swell of 1.3m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (+07) & DateWave HeightWave Period
Morning (25 Aug)0.5ft (0.1m)17s
Afternoon (25 Aug)0.5ft (0.1m)16s
Evening (25 Aug)0.5ft (0.1m)16s

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


Short Range Forecast

Moderate rain (total 18mm), heaviest on Tue afternoon. Warm (max 28°C on Mon night, min 27°C on Mon night). Mainly fresh winds.

Tuesday
25
Wednesday
26
Thursday
27
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
4 PM
7 PM
10 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)
0.1
W
18
0.1
W
18
0.1
W
17
0.1
W
17
0.1
SW
16
0.1
SW
16
0.1
SW
16
0.1
W
16
0.1
W
16
1.6
W
6
1.7
W
7
1.7
W
7
1.6
W
7
1.6
W
7
1.6
W
7
1.6
W
7
1.7
W
7
1.8
W
7
1.9
W
7
1.9
W
7
1.9
W
8
1.8
W
8
1.7
W
8
0.2
WSW
16
Wave Graph
Metric surfscale
Energy kJ
6
6
6
6
10
10
10
5
5
206
254
263
240
239
239
246
286
312
368
389
410
387
336
24
Wind (km/h)
30
W
25
W
25
WNW
30
WNW
30
W
25
W
30
WNW
30
W
35
W
35
W
35
W
30
W
30
W
30
W
30
W
30
W
30
W
30
W
30
W
30
W
30
W
30
W
30
W
30
W
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
cross-on
cross-on
High Tide
9:06AM1.61m
9:37PM1.41m
9:39AM1.75m
10:06PM1.55m
10:10AM1.87m
Low Tide
2:46AM0.60m
3:37PM0.40m
3:24AM0.46m
4:04PM0.26m
3:57AM0.33m
4:31PM0.14m
cloud
cloud
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:18
6:18
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:37
6:37
6:37
 mm
1
1
2
1
1
2
1
1
1
1
2
2
2
2
Temp °C
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
Feels °C
27
28
28
28
28
29
28
28
27
27
27
28
28
28
28
28
27
27
28
28
27
27
27
28
  • 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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