Surf Forecasts:
How big are the waves at Nai Harn Beach today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 1.5ft (0.5m), 7s period with W swell.
- Afternoon surf: Afternoon surf (21 Jul, local time) - 1ft (0.3m), 7s period with WSW swell.
- Evening surf: Evening surf (21 Jul, local time) - 2.5ft (0.7m), 8s period with W swell.
The current surf forecast for Nai Harn Beach at 7PM is: 0.6m 8s primary swell from a West direction (forecast issued at 12:00pm July 21). An open ocean swell of 0.2m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (+07) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 1.5ft (0.5m) | 7s |
| Afternoon (21 Jul) | 1ft (0.3m) | 7s |
| Evening (21 Jul) | 2.5ft (0.7m) | 8s |
Table - waves today at Nai Harn Beach. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 16mm), heaviest on Tue night. Warm (max 29°C on Tue morning, min 28°C on Tue night). Wind will be generally light. | |||||||||||||||||||||
Tue 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||
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 7 | W 8 | WSW 7 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 7 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 27 | 29 | 11 | 47 | 63 | 80 | 72 | 28 | 28 | 40 | 67 | 64 | 52 | 42 | 42 | 41 | 52 | 66 | 80 | 80 | 83 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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 | cross |
High Tide | 2:59PM1.41m | 3:50AM1.45m | 3:48PM1.25m | 4:51AM1.39m | 5:03PM1.12m | ||||||||||||||||
Low Tide | 9:05AM0.60m | 9:17PM0.48m | 10:03AM0.70m | 10:02PM0.60m | 11:26AM0.77m | ||||||||||||||||
 | | |  |  | | |  |  | | | |  | | | | | | | | | |
 | 6:16 | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | 6:47 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:47 | — | — |
mm | — | — | — | 1 | — | 2 | — | — | 1 | 1 | 1 | — | — | 1 | — | 1 | 1 | 2 | 1 | 2 | 1 |
Temp °C | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 32 | 32 | 32 | 32 | 30 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 31 | 29 | 29 | 29 | 29 | 29 | 28 | 29 |
Swell 1 Height (m) Direction Period (s) | W 7 | W 8 | W 8 | W 8 | W 8 | W 8 | W 16 | W 8 | W 8 | W 7 | W 16 | W 8 | W 8 | W 8 | W 8 | W 7 | W 7 | W 18 | W 18 | W 18 | W 18 |
| kJ | 27 | 29 | 33 | 47 | 1 | 1 | 5 | 28 | 28 | 40 | 5 | 5 | 5 | 10 | 5 | 4 | 4 | 6 | 6 | 6 | 6 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | WNW 8 | WSW 7 | WNW 8 | W 16 | W 16 | W 13 | W 16 | W 16 | W 16 | W 12 | W 12 | W 16 | W 16 | W 16 | W 15 | W 12 | W 15 | W 14 | W 14 | W 14 |
| kJ | 13 | 13 | 11 | 6 | 5 | 5 | 3 | 5 | 5 | 5 | 3 | 3 | 5 | 5 | 5 | 4 | 3 | 4 | 4 | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | W 13 | W 13 | W 13 | W 16 | W 13 | W 12 | — | W 12 | W 12 | W 12 | — | W 16 | W 12 | W 12 | W 12 | W 12 | W 18 | W 12 | — | — | — |
| kJ | 3 | 3 | 3 | 5 | 3 | 3 | — | 3 | 3 | 3 | — | 5 | 3 | 3 | 3 | 3 | 6 | 3 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | W 8 | W 8 | W 8 | W 5 | W 5 | W 5 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 |
| kJ | — | — | — | — | 63 | 80 | 72 | 23 | 23 | 15 | 67 | 64 | 52 | 42 | 42 | 41 | 52 | 66 | 80 | 80 | 83 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 635 | 635 | 4 | 636 | 636 | 635 | 635 | 635 | 635 | 635 | 635 | 635 | 635 | 106 |
Best forecast wave conditions in Phuket | |||||||||||||||||||||
Best forecast wave conditions in Thailand | |||||||||||||||||||||
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