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Surf Forecasts:
Nai Harn Beach surfForecast / Phuket / Thailand
48hr Weather and Surf, issued 12 pm Sunday 17 May 2026 +07Forecast 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
31.3° C
(Which is 1.5°C warmer than normal for this time of year)How big are the waves at Nai Harn Beach today?
The current surf forecast for Nai Harn Beach at 4PM is: 1.3m 9s primary swell from a West direction and 0.1m 16s secondary swell from a West direction (forecast issued at 12:00pm May 17). The wind direction is predicted to be cross-onshore.
| Time (+07) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 3.5ft (1.1m) | 9s |
| Afternoon (17 May) | 4ft (1.2m) | 9s |
| Evening (17 May) | 4.5ft (1.3m) | 9s |
Table - waves today at Nai Harn Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 44mm), heaviest during Mon afternoon. Warm (max 29°C on Sun morning, min 27°C on Sun night). Mainly fresh winds. | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 | 1 AM | 4 AM | 7 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | WSW 9 | W 9 | WNW 6 | WNW 6 | W 21 | W 21 | WNW 6 | W 20 | SW 19 | W 7 | SW 18 | WSW 18 | WSW 18 | W 7 | W 7 | SW 16 | WSW 16 | W 7 | |
198 | 241 | 282 | 280 | 239 | 234 | 86 | 81 | 84 | 121 | 9 | 9 | 145 | 7 | 15 | 0 | 12 | 30 | 30 | 0 | 0 | 11 | 25 | 0 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | 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 | 10:37AM2.13m | 11:02PM1.75m | 11:19AM2.12m | 11:47PM1.69m | 12:02PM2.06m | 00:34AM1.59m | ||||||||||||||||||
Low Tide | 5:01PM0.00m | 4:58AM0.08m | 5:45PM0.02m | 5:40AM0.16m | 6:32PM0.08m | 6:24AM0.28m | ||||||||||||||||||
 | | |  | | |  |  | | | | | | | | | | | | | | | | | |
 | 6:07 | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — |
 | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | 6:37 |
2 | 2 | 2 | 2 | 2 | 3 | — | — | 1 | 1 | 3 | 4 | 3 | 2 | 4 | 2 | 2 | 2 | 2 | 1 | 1 | 2 | 1 | — | |
Temp °C | 29 | 29 | 29 | 29 | 28 | 28 | 27 | 28 | 29 | 29 | 29 | 29 | 28 | 29 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
30 | 30 | 30 | 30 | 29 | 28 | 27 | 29 | 30 | 29 | 30 | 29 | 28 | 28 | 26 | 27 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | |
Swell 1 Height (m) Direction Period (s) | SW 16 | W 16 | W 16 | W 16 | W 16 | W 16 | WSW 9 | W 9 | W 9 | W 14 | W 14 | W 15 | W 20 | W 20 | SW 19 | — | SW 18 | WSW 18 | WSW 18 | — | — | SW 16 | WSW 16 | — |
 kJ | 10 | 5 | 5 | 5 | 5 | 5 | 86 | 81 | 81 | 4 | 4 | 4 | 7 | 7 | 15 | — | 12 | 30 | 30 | — | — | 11 | 25 | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | W 16 | — | — | W 15 | W 15 | W 14 | W 21 | W 21 | W 21 | W 15 | W 15 | — | — | — | W 13 | — | — | — | — | — | — |
| kJ | — | — | — | 5 | — | — | 5 | 4 | 4 | 9 | 9 | 9 | 4 | 4 | — | — | — | 3 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | W 21 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | WNW 6 | WNW 5 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | W 6 | WNW 6 | W 7 | W 7 | W 8 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 |
| kJ | 198 | 241 | 282 | 280 | 239 | 234 | 65 | 74 | 84 | 121 | 134 | 150 | 145 | 188 | 282 | 355 | 397 | 367 | 352 | 387 | 361 | 324 | 315 | 306 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 4 | 4 | 744 | 782 | 782 | 641 | 652 | 641 | 4 | 645 | 4 | 782 | 782 | 782 | 782 | 782 | 664 | 797 | 748 | 748 | 744 | 748 | 748 | 652 |
Best forecast wave conditions in Phuket | ||||||||||||||||||||||||
Best forecast wave conditions in Thailand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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