Surf Forecast Surf Report
Nai Harn Beach surf break

Nai Harn Beach surfForecast / Phuket / Thailand

information circle12 Day Weather and Surf, issued 12 pm Thursday 01 May 2025 +07
Forecast update in hr  min  s Forecast update imminent
Nai Harn Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nai Harn Beach sea temperature is
30.4° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Nai Harn Beach this week:

The most powerful waves expected at Nai Harn Beach in the next 12 days are 2.1m 7s and forecast to arrive on Wednesday (May 07) at 4PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 6s period and expected on Thursday (May 08) at 1AM.

Wave TypeTime (+07) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 4PM (Wed 7th May)7ft (2.1m) 7s

Table - best surf conditions forecast for Nai Harn Beach over the next 12 days.

Updates in  hr  min  s Forecast update imminent
Thursday
01
Friday
02
Saturday
03
Sunday
04
Monday
05
Tuesday
06
Wednesday
07
Thursday
08
Friday
09
Saturday
10
Sunday
11
Monday
12
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
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
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.1
W
0.1
W
0.1
W
0.1
W
0.1
W
0.2
WSW
0.2
WSW
0.2
WSW
0.2
WSW
0.2
WSW
0.2
W
0.6
WNW
0.1
W
0.4
WNW
0.7
WNW
0.6
WNW
1
W
1.2
WSW
1.6
WSW
2.1
W
0.1
W
1.1
W
1.1
W
1.1
W
1.3
W
1.3
W
1.2
W
1.2
W
1.3
W
1.3
W
1.8
W
1.7
W
1.7
W
1.8
W
1.7
W
1.7
W
Period(s) (?)1518161616161615151514414444566717666676666778777
Wave
Graph
(?)Metric surfscale
Energy (?)465552524232321169452015421001954526858386139145112109128116324306320315295262
Wind
(km/h)
10
NNW
20
W
15
NW
5
N
20
WNW
15
NNW
15
SSE
25
SW
25
NNW
15
NNW
15
WNW
25
NW
10
WNW
20
W
20
WNW
15
W
30
WNW
35
WNW
30
W
20
W
30
W
25
W
25
W
25
W
25
W
30
W
30
W
30
W
30
W
30
W
35
W
30
W
25
W
40
WSW
45
WSW
40
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
on
cross-
off
cross-
off
crosscross-
off
crossoncross-
off
cross-
off
crosscrosscrosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
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)
12:40PM
1.95
1:09AM
1.48
1:22PM
1.78
1:59AM
1.32
2:12PM
1.60
3:09AM
1.18
3:20PM
1.43
5:01AM
1.13
5:00PM
1.34
6:48AM
1.21
6:35PM
1.35
7:45AM
1.35
7:38PM
1.41
8:22AM
1.49
8:22PM
1.47
8:53AM
1.62
8:58PM
1.53
9:21AM
1.73
9:30PM
1.57
9:48AM
1.82
10:01PM
1.60
10:15AM
1.88
10:32PM
1.61
Low Tide
/ height (m)
7:09PM
0.20
6:58AM
0.39
7:59PM
0.37
7:41AM
0.57
9:02PM
0.53
8:40AM
0.74
10:32PM
0.62
10:27AM
0.84
12:11AM
0.61
12:29PM
0.81
1:17AM
0.54
1:40PM
0.69
1:59AM
0.46
2:26PM
0.56
2:33AM
0.38
3:02PM
0.44
3:02AM
0.32
3:34PM
0.34
3:30AM
0.27
4:04PM
0.26
3:58AM
0.25
4:34PM
0.21
Thursday
01
Friday
02
Saturday
03
Sunday
04
Monday
05
Tuesday
06
Wednesday
07
Thursday
08
Friday
09
Saturday
10
Sunday
11
Monday
12
Sunrise6:11--6:11--6:11--6:11--6:11--6:09--6:09--6:09--6:09--6:09--6:09--6:09--
Sunset-6:35--6:35--6:35--6:36--6:36--6:36--6:36--6:36--6:36--6:36--6:36--6:36-
clearthunderstorm thunderstorm clearclearthunderstorm thunderstorm thunderstorm mod rainmod rainmod raincloudpart cloudmod rainthunderstorm thunderstorm thunderstorm thunderstorm thunderstorm mod rainthunderstorm part cloudthunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm mod rainthunderstorm
Rain (mm)
-26--152758106--611363365-22214211219135612
Temp. °C292929293029252627272828282828292829292828292929302929292929292829292929
Feels °C (?)333031333231272630293028312929292728282927292929302929292929282730272627

Short Range Forecast: Heavy rain (total 63mm), heaviest during Sat morning. Warm (max 30°C on Fri afternoon, min 24°C on Sat night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 45mm), heaviest during Sun morning. Warm (max 29°C on Tue morning, min 27°C on Sun morning). Winds increasing (light winds from the N on Sun night, fresh winds from the WNW by Tue night).

Days 6-9 Weather Summary Heavy rain (total 25mm), heaviest during Wed afternoon. Warm (max 30°C on Fri morning, min 27°C on Wed night). Mainly fresh winds.

Long Range Forecast: Heavy rain (total 63mm), heaviest during Sun afternoon. Warm (max 29°C on Sat morning, min 26°C on Sun afternoon). Winds increasing (moderate winds from the NW on Sun night, strong winds from the W by Mon night).

  • 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 Nai Harn Beach Surf forecast

The above surf forecast table for Nai Harn Beach provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Nai Harn Beach can be found by selecting the local surf guide option on the grey menu. Our Nai Harn Beach 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 (Nai Harn Beach) 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 Nai Harn Beach 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.

Nai Harn Beach is 8 km (5 miles) from the city of Ban Chalong. If you plan a holiday in Phuket, look for hotels and other accommodation in Ban Chalong. Ban Chalong has rooms for a wide range of budgets as well as car hire and transport links.

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