Surf Forecasts:
How big are the waves at Nai Harn Beach today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 0.5ft (0.2m), 15s period with WSW swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 1.5ft (0.5m), 7s period with W swell.
- Evening surf: Evening surf (18 Jul, local time) - 1.5ft (0.5m), 7s period with W swell.
The current surf forecast for Nai Harn Beach at 2PM is: 0.2m 15s primary swell from a West-southwest direction and 0.4m 8s secondary swell from a West direction (forecast issued at 06:00am July 18). An open ocean swell of 0.6m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (+07) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 0.5ft (0.2m) | 15s |
| Afternoon (18 Jul) | 1.5ft (0.5m) | 7s |
| Evening (18 Jul) | 1.5ft (0.5m) | 7s |
Table - waves today at Nai Harn Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sat night. Warm (max 28°C on Sat morning, min 27°C on Sat night). Wind will be generally light. | |||||||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | |||||||||||||||||||||
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 | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | W 8 | WSW 15 | WSW 15 | W 8 | W 7 | W 7 | W 7 | W 8 | W 8 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 8 | W 8 | W 7 | W 7 | W 7 | W 7 | W 7 | W 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 46 | 23 | 22 | 21 | 27 | 28 | 26 | 29 | 21 | 21 | 21 | 20 | 27 | 24 | 23 | 20 | 18 | 17 | 9 | 17 | 8 | 33 | 65 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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 | cross-on | cross-on | cross | cross-on |
High Tide | 1:02AM1.70m | 1:05PM1.91m | 1:42AM1.66m | 1:42PM1.76m | 2:21AM1.60m | 2:20PM1.59m | |||||||||||||||||
Low Tide | 6:54AM0.27m | 7:31PM0.10m | 7:35AM0.36m | 8:06PM0.21m | 8:18AM0.48m | 8:40PM0.34m | |||||||||||||||||
 |  | |  | | | |  | | |  | | |  |  | | | | | | | | | |
 | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:47 | — | — |
mm | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 30 | 30 | 31 | 30 | 29 | 30 | 30 | 30 | 29 | 29 | 31 | 30 | 30 | 30 | 31 | 31 | 30 | 31 | 30 | 30 | 30 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | W 8 | W 8 | W 8 | W 7 | W 7 | W 7 | W 7 | W 8 | W 8 | W 7 | W 7 | W 7 | W 7 | WNW 7 | W 7 | W 8 | W 8 | W 7 | WNW 7 | W 7 | W 7 | WNW 8 | W 8 |
| kJ | 46 | 42 | 42 | 40 | 27 | 28 | 26 | 29 | 18 | 17 | 17 | 16 | 27 | 5 | 23 | 20 | 18 | 17 | 15 | 17 | 8 | 6 | 1 |
Swell 2 Height (m) Direction Period (s) | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WNW 7 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | W 14 | WNW 7 | W 7 | W 13 | W 13 | W 13 | W 13 |
| kJ | 24 | 23 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 5 | 21 | 20 | 20 | 20 | 20 | 19 | 4 | 4 | 9 | 4 | 3 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | W 8 | — | — | — | — | — | WSW 14 | W 7 | WNW 7 | W 8 | — | W 8 | — | — | W 14 | W 14 | W 8 | W 9 | — | — |
| kJ | — | — | — | 1 | — | — | — | — | — | 21 | 1 | 5 | 1 | — | 1 | — | — | 4 | 4 | 1 | 2 | — | — |
Wind waves Height (m) Direction Period (s) | NW 7 | — | WNW 3 | W 8 | WNW 8 | WNW 8 | NW 8 | NW 7 | W 7 | W 4 | W 4 | WNW 4 | NW 7 | W 7 | W 3 | WNW 7 | WNW 7 | WNW 3 | W 3 | WNW 4 | W 8 | W 7 | W 8 |
| kJ | 14 | — | 1 | 19 | 25 | 24 | 15 | 14 | 26 | 7 | 8 | 5 | 12 | 24 | 2 | 17 | 15 | 4 | 2 | 6 | 31 | 33 | 65 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 24 | 24 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 97 | 635 | 635 | 4 | 4 | 4 | 4 | 635 | 635 | 635 | 635 | 4 | 635 | 4 |
Best forecast wave conditions in Phuket | |||||||||||||||||||||||
Best forecast wave conditions in Thailand | |||||||||||||||||||||||
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