Nai Harn Beach Surf Break

Lat Long: 7.78° N 98.30° E

Nai Harn Beach 48 hour detailed Surf Forecast

Issued: 6 pm 12 Oct 2026 (local time)

Forecast update in  hr  min

Today's Nai Harn Beach sea temperature is
30.3°C
1.7° 

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 (12 Oct):

  • Afternoon surf: Afternoon surf (12 Oct, local time) - 1.5ft (0.5m), 6s period with WSW swell.
  • Evening surf: Evening surf (12 Oct, local time) - 1.5ft (0.4m), 6s period with WSW swell.

The current surf forecast for Nai Harn Beach at 11PM is: 0.4m 6s primary swell from a West-southwest direction and 0.1m 16s secondary swell from a West direction (forecast issued at 06:00pm October 12). The wind direction is predicted to be offshore.

Time (+07) & DateWave HeightWave Period
Morning (12 Oct)--
Afternoon (12 Oct)1.5ft (0.5m)6s
Evening (12 Oct)1.5ft (0.4m)6s

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


Short Range Forecast

Heavy rain (total 35mm), heaviest during Tue night. Warm (max 29°C on Mon afternoon, min 26°C on Mon night). Wind will be generally light.

Mon
12
Tuesday
13
Wednesday
14
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)
0.5
WSW
6
0.5
WSW
6
0.4
WSW
6
0.4
WSW
5
0.1
W
16
0.1
W
20
0.1
W
19
0.1
W
19
0.1
W
19
0.1
W
19
0.1
SW
19
0.2
WSW
18
0.2
WSW
18
0.2
WSW
18
0.2
WSW
18
0.2
WSW
18
0.2
WSW
18
0.2
WSW
18
0.2
WSW
17
Wave Graph
Metric surfscale
Energy kJ
18
18
12
11
5
8
7
7
7
7
14
32
31
31
31
31
31
30
30
Wind (km/h)
0
W
5
W
5
N
10
NNW
10
NE
15
ENE
15
E
15
SE
15
S
0
SW
5
ENE
5
ENE
10
E
10
ESE
10
ESE
5
SSE
5
S
5
S
5
SSE
Wind State
glassy
glassy
glassy
cross-off
off
cross-off
cross-off
cross
cross-on
glassy
glassy
glassy
cross-off
cross-off
cross-off
cross
cross-on
glassy
glassy
High Tide
11:21PM1.99m
11:35AM1.72m
11:48PM1.93m
12:03PM1.62m
Low Tide
5:07PM0.09m
5:36AM0.11m
5:33PM0.16m
6:05AM0.18m
5:58PM0.26m
part cloud
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
part cloud
thunderstorm
mod rain
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
6:13
—
—
—
—
—
—
—
6:13
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:12
—
—
—
—
—
—
—
6:12
—
—
—
—
—
—
—
6:10
—
—
 mm
—
—
2
3
1
4
5
6
1
1
—
1
7
2
2
—
—
—
—
Temp °C
29
29
29
26
27
28
28
28
28
28
28
27
27
27
28
28
28
28
28
Feels °C
33
33
33
30
31
31
31
30
31
33
33
32
30
30
31
32
32
32
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 

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