Nai Harn Beach Surf Break

Lat Long: 7.78° N 98.30° E

Nai Harn Beach 48 hour detailed Surf Forecast

Issued: 6 pm 27 Jul 2026 (local time)

Forecast update in  hr  min

Today's Nai Harn Beach sea temperature is
30.2° 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 (28 Jul):

  • Morning surf: Morning surf (28 Jul, local time) - 0.5ft (0.1m), 15s period with W swell.
  • Afternoon surf: Afternoon surf (28 Jul, local time) - 2.5ft (0.7m), 7s period with W swell.
  • Evening surf: Evening surf (28 Jul, local time) - 0.5ft (0.1m), 16s period with W swell.

The current surf forecast for Nai Harn Beach at 2AM is: 0.7m 7s primary swell from a West direction and 0.1m 12s secondary swell from a West direction (forecast issued at 06:00pm July 27). An open ocean swell of 1.0m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (+07) & DateWave HeightWave Period
Morning (28 Jul)0.5ft (0.1m)15s
Afternoon (28 Jul)2.5ft (0.7m)7s
Evening (28 Jul)0.5ft (0.1m)16s

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


Short Range Forecast

Heavy rain (total 36mm), heaviest during Wed morning. Warm (max 29°C on Mon afternoon, min 27°C on Wed morning). Wind will be generally light.

Mon
27
Tuesday
28
Wednesday
29
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)
1.3
W
7
0.8
W
7
0.1
W
12
0.6
W
7
0.1
W
15
0.1
W
18
0.1
W
15
0.7
W
7
0.1
W
16
0.1
W
16
0.1
W
16
0.1
W
16
0.1
W
16
0.1
W
16
0.1
W
16
0.1
W
16
0.1
W
16
0.1
W
16
0.1
W
16
Wave Graph
Metric surfscale
Energy kJ
149
59
3
33
4
6
4
44
5
5
5
5
5
5
5
5
5
5
5
Wind (km/h)
25
WSW
20
SW
15
WSW
20
W
20
W
20
W
25
W
25
W
25
W
20
W
15
WSW
15
W
20
W
25
WSW
15
SW
15
SW
10
WSW
5
W
10
W
Wind State
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
High Tide
9:52PM1.36m
9:59AM1.75m
10:26PM1.46m
10:32AM1.85m
Low Tide
3:55PM0.42m
3:37AM0.47m
4:28PM0.31m
4:14AM0.38m
4:58PM0.22m
cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<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>
6:46
6:46
6:46
 mm
2
2
2
1
4
1
5
5
3
2
1
Temp °C
29
29
29
28
28
29
29
29
28
28
28
28
28
28
27
28
28
27
27
Feels °C
30
31
31
30
29
31
30
30
29
30
30
30
28
28
29
30
31
30
30
  • 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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