Nai Harn Beach Surf Break

Lat Long: 7.78° N 98.30° E

Nai Harn Beach 48 hour detailed Surf Forecast

Issued: 12 pm 10 Sep 2026 (local time)

Forecast update in  hr  min

Today's Nai Harn Beach sea temperature is
30.1°C
1.2° 

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 (10 Sep):

  • Morning surf: Morning surf (10 Sep, local time) - 3.5ft (1.1m), 6s period with WNW swell.
  • Afternoon surf: Afternoon surf (10 Sep, local time) - 4ft (1.2m), 6s period with WNW swell.
  • Evening surf: Evening surf (10 Sep, local time) - 4.5ft (1.3m), 6s period with WNW swell.

The current surf forecast for Nai Harn Beach at 7PM is: 1.3m 6s primary swell from a West direction and 0.2m 15s secondary swell from a West-southwest direction (forecast issued at 12:00pm September 10). The wind direction is predicted to be cross-onshore.

Time (+07) & DateWave HeightWave Period
Morning (10 Sep)3.5ft (1.1m)6s
Afternoon (10 Sep)4ft (1.2m)6s
Evening (10 Sep)4.5ft (1.3m)6s

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


Short Range Forecast

Heavy rain (total 41mm), heaviest during Sat night. Warm (max 29°C on Thu morning, min 24°C on Sat night). Mainly fresh winds.

Thu
10
Friday
11
Saturday
12
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.2
WSW
16
0.2
WSW
16
1.2
W
6
1.3
W
6
1.2
WNW
6
1.2
W
6
1.2
WNW
6
0.2
WSW
15
0.2
WSW
15
1.2
W
6
1.2
WNW
6
1.1
WNW
6
1
WNW
6
0.9
WNW
6
0.9
WNW
6
0.9
WNW
6
0.2
WSW
22
0.3
WSW
21
0.3
WSW
21
0.3
WSW
21
0.2
WSW
21
Wave Graph
Metric surfscale
Energy kJ
25
25
104
118
104
104
108
22
22
104
101
83
69
57
55
43
45
90
90
89
44
Wind (km/h)
25
WNW
30
W
30
WNW
30
WNW
30
WNW
25
WNW
25
WNW
25
WNW
25
WNW
25
NW
25
NW
25
NW
20
NW
20
NW
20
NW
20
NW
15
WNW
20
WNW
25
WNW
20
WNW
15
NW
Wind State
cross-on
cross-on
cross
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross
High Tide
9:56AM1.96m
10:25PM1.83m
10:31AM2.01m
10:57PM1.92m
11:04AM2.00m
Low Tide
4:16PM0.01m
4:23AM0.13m
4:47PM-0.05m
4:58AM0.08m
5:16PM-0.05m
thunderstorm
thunderstorm
thunderstorm
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cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
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>
6:30
6:29
6:28
 mm
2
2
1
1
2
1
1
2
2
3
1
2
2
2
1
2
4
Temp °C
28
29
29
29
29
28
28
28
28
28
28
28
28
28
27
28
28
28
28
27
26
Feels °C
29
30
29
29
30
28
29
28
28
29
28
29
29
29
28
29
30
28
28
28
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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