Nai Harn Beach Surf Break

Lat Long: 7.78° N 98.30° E

Nai Harn Beach 48 hour detailed Surf Forecast

Issued: 12 am 16 Sep 2026 (local time)

Forecast update in  hr  min

Today's Nai Harn Beach sea temperature is
29.8°C
1.0° 

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 (16 Sep):

  • Morning surf: Morning surf (16 Sep, local time) - 0.5ft (0.2m), 15s period with WSW swell.
  • Afternoon surf: Afternoon surf (16 Sep, local time) - 4.5ft (1.3m), 6s period with W swell.
  • Evening surf: Evening surf (16 Sep, local time) - 0.5ft (0.2m), 15s period with WSW swell.

The current surf forecast for Nai Harn Beach at 5AM is: 0.6m 6s primary swell from a West direction and 0.2m 8s secondary swell from a West direction (forecast issued at 12:00am September 16). The wind direction is predicted to be cross-onshore.

Time (+07) & DateWave HeightWave Period
Morning (16 Sep)0.5ft (0.2m)15s
Afternoon (16 Sep)4.5ft (1.3m)6s
Evening (16 Sep)0.5ft (0.2m)15s

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


Short Range Forecast

Heavy rain (total 101mm), heaviest during Wed afternoon. Warm (max 28°C on Tue night, min 26°C on Fri morning). Winds increasing (light winds from the WNW on Tue night, near gales from the WSW by Fri afternoon).

Wednesday
16
Thursday
17
Friday
18
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)
0.7
W
6
0.6
W
6
0.2
WSW
15
0.2
WSW
15
0.8
W
5
1.5
W
7
0.2
WSW
15
0.2
WSW
15
0.1
W
20
1.2
W
8
1.4
W
7
1.3
W
7
1.8
W
6
1.9
W
7
1.7
W
8
1.5
W
7
2.1
WSW
7
2.5
WSW
8
2.4
WSW
8
2.5
WSW
8
2.5
WSW
8
3.5
WSW
9
3.5
WSW
9
3.5
W
10
Wave Graph
Metric surfscale
Energy kJ
31
22
21
21
35
198
21
21
8
159
199
163
259
392
323
246
395
803
744
807
824
1643
1690
1876
Wind (km/h)
15
WNW
20
W
20
W
20
WNW
25
WNW
30
W
30
WNW
35
WNW
30
WNW
25
WNW
20
WNW
20
WSW
30
WSW
30
WSW
35
WSW
40
WSW
40
W
40
WSW
40
WSW
45
SW
45
WSW
50
WSW
50
WSW
55
W
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
High Tide
00:49AM1.81m
12:58PM1.55m
1:16AM1.69m
1:24PM1.39m
1:47AM1.55m
1:54PM1.23m
Low Tide
7:01AM0.31m
6:57PM0.34m
7:32AM0.46m
7:21PM0.48m
8:08AM0.61m
7:48PM0.63m
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
mod rain
mod rain
thunderstorm
mod rain
mod rain
thunderstorm
thunderstorm
mod rain
mod rain
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
6:16
6:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:25
6:25
6:24
 mm
1
1
1
1
7
8
3
1
3
4
7
7
6
5
6
8
5
5
7
8
5
2
3
Temp °C
28
28
28
28
27
27
27
28
28
27
28
27
28
28
28
28
27
28
27
26
26
27
27
27
Feels °C
30
30
30
29
27
27
27
27
28
27
30
29
28
27
27
26
25
26
24
23
22
22
22
22
  • 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