Nai Harn Beach Surf Break

Lat Long: 7.78° N 98.30° E

Nai Harn Beach 48 hour detailed Surf Forecast

Issued: 6 pm 19 Aug 2026 (local time)

Forecast update in  hr  min

Today's Nai Harn Beach sea temperature is
29.9° C
0.9° 

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 (19 Aug):

  • Afternoon surf: Afternoon surf (19 Aug, local time) - 5.5ft (1.7m), 6s period with W swell.
  • Evening surf: Evening surf (19 Aug, local time) - 6ft (1.9m), 7s period with W swell.

The current surf forecast for Nai Harn Beach at 10PM is: 1.9m 7s primary swell from a West direction (forecast issued at 06:00pm August 19). The wind direction is predicted to be cross-onshore.

Time (+07) & DateWave HeightWave Period
Morning (19 Aug)--
Afternoon (19 Aug)5.5ft (1.7m)6s
Evening (19 Aug)6ft (1.9m)7s

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


Short Range Forecast

Some drizzle, heaviest during Sat morning. Warm (max 29°C on Fri afternoon, min 28°C on Wed afternoon). Winds decreasing (fresh winds from the WNW on Wed night, light winds from the WSW by Fri afternoon).

Wed
19
Thursday
20
Friday
21
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.7
W
7
1.8
W
7
1.9
W
7
1.9
W
7
2
W
7
2
W
7
2
W
7
1.9
W
7
1.8
W
7
1.6
W
7
1.5
W
8
0.3
WSW
18
0.3
WSW
17
0.3
WSW
17
0.3
WSW
17
0.3
WSW
17
0.3
WSW
17
0.3
WSW
16
0.3
WSW
16
Wave Graph
Metric surfscale
Energy kJ
254
294
337
347
396
419
422
381
352
276
248
60
59
58
57
55
54
53
52
Wind (km/h)
35
W
35
W
35
WNW
35
W
35
W
30
W
30
W
30
WSW
30
WSW
25
WSW
20
WSW
25
WSW
20
SW
15
SSW
15
SSW
15
SW
15
SW
10
WSW
10
W
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
cross-on
on
on
cross-on
cross-on
High Tide
2:05PM1.41m
2:39AM1.50m
2:39PM1.24m
3:28AM1.38m
3:34PM1.08m
Low Tide
8:12PM0.47m
8:56AM0.66m
8:43PM0.62m
10:04AM0.80m
9:36PM0.76m
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:18
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:40
6:39
6:39
 mm
Temp °C
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
29
28
28
Feels °C
27
27
26
27
27
28
28
28
28
29
30
29
29
30
30
30
32
31
32
  • 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 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Nai Harn Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


Nearest locationNearest