Surf Forecast Surf Report
Khao Lak / Nang Thong surf break

Khao Lak / Nang Thong surfForecast / Andaman Sea / Thailand

information circle12 Day Weather and Surf, issued 12 am Wednesday 09 Apr 2025 +07
Forecast update in hr  min  s Forecast update imminent
Khao Lak / Nang Thong surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Khao Lak / Nang Thong sea temperature is
30.1° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Khao Lak / Nang Thong this week:

The surf forecast for Khao Lak / Nang Thong over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Apr 09) at 7AM. The primary swell is predicted to be 0.3m and 16s period with a secondary swell of 0.2m and 6s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Khao Lak / Nang Thong in the next 12 days are 2.3m 8s and forecast to arrive on Saturday (Apr 12) at 4PM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (+07) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Wed 9th Apr)1ft (0.3m) 16s
Best Surf 4PM (Sat 12th Apr)7.5ft (2.3m) 8s
Most Powerful 4PM (Sat 12th Apr)7.5ft (2.3m) 8s

Table - best surf conditions forecast for Khao Lak / Nang Thong over the next 12 days.

Updates in  hr  min  s Forecast update imminent
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sun
20
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
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
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.4
SW
0.3
SW
0.3
SW
0.4
SW
0.3
SW
0.3
SW
0.3
SW
0.3
SW
0.7
W
0.7
W
2.1
W
2.3
WSW
1.5
W
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.3
SW
0.4
SW
0.4
SW
0.4
SW
0.3
SW
0.3
SW
0.3
SW
0.3
SW
0.3
SW
0.2
WSW
0.1
SW
0.1
SW
0.8
W
0.3
SW
0.3
SW
0.3
SW
0.3
SW
0.4
SW
Period(s) (?)161615151514131477887181716161616171717161615151414161641615141418
Wave
Graph
(?)Metric surfscale
Energy (?)90403454333327294844510620239103817091643977767140393733332011102638333733111
Wind
(km/h)
5
NE
5
NNW
15
WNW
5
NNW
5
ENE
5
WNW
5
NNE
5
NW
15
WNW
25
WNW
25
WNW
10
W
10
WNW
5
WNW
10
W
5
ENE
5
S
5
WSW
5
ESE
0
ESE
10
W
5
E
5
ENE
10
NNW
5
NNE
5
SW
15
NW
10
NNW
15
NW
15
WNW
15
NW
15
WNW
20
NW
10
NW
15
NW
20
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglasscross-
on
cross-
on
glassoncross-
off
glassonononononononglassglassglasscross-
off
glassonglassglasscrossglasscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
8:46AM
1.93
8:46PM
2.09
9:12AM
2.13
9:16PM
2.21
9:37AM
2.29
9:44PM
2.30
10:02AM
2.42
10:11PM
2.34
10:27AM
2.50
10:38PM
2.33
10:52AM
2.52
11:05PM
2.28
11:17AM
2.50
11:31PM
2.20
11:43AM
2.43
11:57PM
2.08
12:10PM
2.32
12:24AM
1.94
12:40PM
2.18
12:56AM
1.79
1:17PM
2.03
1:39AM
1.63
2:11PM
1.87
Low Tide
/ height (m)
2:42AM
0.54
2:52PM
0.63
3:11AM
0.40
3:24PM
0.47
3:36AM
0.29
3:52PM
0.34
4:00AM
0.22
4:18PM
0.24
4:23AM
0.18
4:44PM
0.18
4:46AM
0.17
5:10PM
0.17
5:10AM
0.20
5:36PM
0.20
5:33AM
0.25
6:03PM
0.27
5:58AM
0.34
6:32PM
0.39
6:26AM
0.45
7:05PM
0.53
6:58AM
0.60
7:49PM
0.69
7:41AM
0.77
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sun
20
Sunrise-6:20--6:20--6:18--6:18--6:18--6:18--6:18--6:16--6:16--6:16--6:16--6:15-
Sunset--6:36--6:36--6:36--6:36--6:36--6:36--6:36--6:36--6:36--6:36--6:36--6:36
part cloudclearthunderstorm thunderstorm thunderstorm thunderstorm part cloudpart cloudthunderstorm thunderstorm thunderstorm thunderstorm part cloudclearclearclearpart cloudthunderstorm thunderstorm clearclearthunderstorm thunderstorm thunderstorm thunderstorm thunderstorm part cloudpart cloudthunderstorm thunderstorm part cloudthunderstorm clearrain showersthunderstorm clear
Rain (mm)
--13441--537123-----32--43233--11-1-11-
Temp. °C272930272626262929272627272929272928273029282928272929282929282929282929
Feels °C (?)313133313130303232292930293232313332323132333331313131313231303130313231

Short Range Forecast: Heavy rain (total 45mm), heaviest during Wed night. Warm (max 30°C on Wed afternoon, min 24°C on Wed night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 55mm), heaviest during Fri night. Warm (max 29°C on Sun morning, min 25°C on Sat morning). Wind will be generally light.

Days 6-9 Weather Summary Moderate rain (total 17mm), heaviest on Tue night. Warm (max 30°C on Tue morning, min 25°C on Mon night). Wind will be generally light.

Long Range Forecast: Light rain (total 8mm), mostly falling on Sun night. Warm (max 29°C on Fri morning, min 27°C on Thu night). Wind will be generally light.

  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Khao Lak / Nang Thong Surf forecast

The above surf forecast table for Khao Lak / Nang Thong provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Khao Lak / Nang Thong can be found by selecting the local surf guide option on the grey menu. Our Khao Lak / Nang Thong surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Khao Lak / Nang Thong) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Khao Lak / Nang Thong may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Khao Lak / Nang Thong is 81 km (50 miles) from Kathu. If you plan a holiday in Andaman Sea, look for hotels and other accommodation in Kathu. Kathu has rooms for a wide range of budgets as well as car hire and transport links.

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