Nai Harn Beach Surf Break

Lat Long: 7.78° N 98.30° E

Nai Harn Beach 48 hour detailed Surf Forecast

Issued: 6 am 30 Sep 2026 (local time)

Forecast update in  hr  min

Today's Nai Harn Beach sea temperature is
29.1°C
0.3° 

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 (30 Sep):

  • Morning surf: Morning surf (30 Sep, local time) - 1.5ft (0.5m), 7s period with W swell.
  • Afternoon surf: Afternoon surf (30 Sep, local time) - 1.5ft (0.5m), 7s period with W swell.
  • Evening surf: Evening surf (30 Sep, local time) - 1.5ft (0.5m), 7s period with W swell.

The current surf forecast for Nai Harn Beach at 1PM is: 0.5m 7s primary swell from a West direction (forecast issued at 06:00am September 30). An open ocean swell of 0.3m 5s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (+07) & DateWave HeightWave Period
Morning (30 Sep)1.5ft (0.5m)7s
Afternoon (30 Sep)1.5ft (0.5m)7s
Evening (30 Sep)1.5ft (0.5m)7s

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


Short Range Forecast

Moderate rain (total 10mm), heaviest on Fri night. Warm (max 29°C on Wed afternoon, min 27°C on Wed night). Wind will be generally light.

Wednesday
30
Thursday
1
Friday
2
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
1
1
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)
0.5
W
7
0.2
WSW
15
0.5
W
7
0.5
W
7
0.5
W
7
0.5
W
7
0.5
W
7
0.5
W
7
0.4
W
7
0.4
W
7
0.4
W
7
0.4
W
7
0.4
WSW
7
0.4
WSW
7
0.4
WSW
7
0.3
W
7
0.3
W
6
0.2
WSW
16
0.2
WSW
16
0.1
W
16
0.1
W
16
0.1
SW
16
0.2
WSW
16
Wave Graph
Metric surfscale
Energy kJ
23
21
21
23
23
23
23
23
18
15
15
15
15
15
15
8
7
25
25
5
5
10
27
Wind (km/h)
10
NW
10
NNW
5
NW
5
WSW
10
WSW
10
W
15
W
15
WNW
10
WNW
10
WNW
5
WSW
10
WSW
10
WSW
10
W
10
WNW
15
WNW
15
NW
15
NW
15
NW
15
WNW
20
WNW
15
WNW
15
WNW
Wind State
cross
cross-off
glassy
cross-on
on
cross-on
cross-on
cross-on
cross
cross
cross-on
on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross-on
cross-on
cross
cross-on
High Tide
12:19PM1.77m
00:40AM1.95m
12:57PM1.61m
1:20AM1.81m
1:41PM1.42m
Low Tide
6:19AM0.08m
6:21PM0.11m
6:58AM0.20m
6:57PM0.26m
7:44AM0.36m
7:37PM0.44m
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
cloud
thunderstorm
clear
clear
clear
part cloud
part cloud
part cloud
clear
thunderstorm
thunderstorm
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:15
—
—
—
—
—
—
—
6:13
—
—
—
—
—
—
—
6:13
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
6:17
—
—
—
—
—
—
—
6:17
—
—
—
—
—
—
—
6:16
—
—
 mm
1
—
—
—
—
—
—
—
—
—
1
—
—
—
—
—
—
—
2
1
—
—
—
Temp °C
28
28
28
28
29
29
28
28
28
27
27
28
28
28
28
27
27
27
28
28
28
28
28
Feels °C
31
32
32
32
32
32
31
31
31
30
31
32
31
31
31
29
29
29
31
30
30
31
31
  • 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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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.


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