Surf Forecasts:
How big are the waves at Nai Harn Beach today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 0.5ft (0.2m), 18s period with WSW swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 0.5ft (0.2m), 17s period with WSW swell.
- Evening surf: Evening surf (20 Sep, local time) - 0.5ft (0.2m), 16s period with WSW swell.
The current surf forecast for Nai Harn Beach at 2PM is: 0.2m 17s primary swell from a West-southwest direction and 0.6m 5s secondary swell from a South direction (forecast issued at 06:00am September 20). An open ocean swell of 1.4m 8s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (+07) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 0.5ft (0.2m) | 18s |
| Afternoon (20 Sep) | 0.5ft (0.2m) | 17s |
| Evening (20 Sep) | 0.5ft (0.2m) | 16s |
Table - waves today at Nai Harn Beach. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 46mm), heaviest during Sun morning. Warm (max 28°C on Tue morning, min 24°C on Sun morning). Wind will be generally light. | |||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | |||||||||||||||||||||
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 | W 8 | WSW 18 | WSW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 76 | 255 | 30 | 30 | 29 | 27 | 26 | 25 | 116 | 94 | 74 | 78 | 78 | 60 | 61 | 61 | 45 | 45 | 45 | 45 | 45 | 57 | 72 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | on | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | glassy | glassy | glassy | cross-on | cross-on | cross-on | on | on | cross | cross | cross |
High Tide | 3:48AM1.26m | 5:54PM0.98m | 6:35AM1.27m | 8:01PM1.13m | 7:52AM1.41m | 8:38PM1.30m | |||||||||||||||||
Low Tide | 11:46AM0.84m | 11:07PM0.89m | 1:52PM0.71m | 1:30AM0.78m | 2:31PM0.55m | ||||||||||||||||||
 |  | |  |  |  | | | |  |  | | | | | | | | | | |  | | |
 | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — |
mm | 10 | 21 | 33 | 7 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | — |
Temp °C | 26 | 25 | 24 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 26 | 26 | 26 |
Feels °C | 29 | 26 | 24 | 26 | 28 | 28 | 28 | 29 | 30 | 30 | 31 | 31 | 31 | 31 | 32 | 31 | 30 | 30 | 31 | 31 | 30 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 |
| kJ | 193 | 255 | 270 | 235 | 208 | 177 | 149 | 124 | 116 | 94 | 74 | 78 | 78 | 60 | 61 | 61 | 45 | 45 | 45 | 45 | 45 | 57 | 72 |
Swell 2 Height (m) Direction Period (s) | WSW 18 | WSW 18 | WSW 18 | WSW 17 | S 5 | S 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | W 14 | W 14 |
| kJ | 31 | 30 | 30 | 30 | 18 | 12 | 7 | 7 | 5 | 4 | 25 | 25 | 25 | 24 | 24 | 22 | 21 | 21 | 21 | 21 | 21 | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | WSW 15 | — | — | WSW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | SSE 5 | SSE 5 | SSE 4 | — | — | — | — | — | — | — | — | W 19 | W 19 |
| kJ | 21 | — | — | 29 | 29 | 27 | 26 | 25 | 25 | 25 | 2 | 2 | 2 | — | — | — | — | — | — | — | — | 7 | 7 |
Wind waves Height (m) Direction Period (s) | W 8 | WSW 8 | S 4 | S 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 76 | 99 | 13 | 17 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 4 | 772 | 635 | 20 | 4 | 4 | 4 | 8 | 0 | 0 | 4 | 4 | 0 | 0 | 0 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
Best forecast wave conditions in Phuket | |||||||||||||||||||||||
Best forecast wave conditions in Thailand | |||||||||||||||||||||||
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