| Mon 05/20 | 12am | 2-3ft | | | 3.5ft | 5s | 256.54° | 1.2ft | 13s | | 0.3ft | 7s | | 10 12 mph | | Severe Thunderstorms | 84°f | 85% |
| | 3am | 2-3ft | | | 3.5ft | 5s | 258.16° | 1.2ft | 13s | | 0.3ft | 7s | | 14 16 mph | | Brief Showers | 84°f | 85% |
| Mon 05/20 | 6am | 2-3ft | | | 3.5ft | 5s | 260.14° | 1.1ft | 13s | | 0.6ft | 8s | | 13 15 mph | | Drizzle | 86°f | 100% |
| | 9am | 2-3ft | | | 3.5ft | 6s | 260.88° | 1.1ft | 13s | | | 8 9 mph | | Overcast | 86°f | 100% |
| | Noon | 2-3ft | | | 3ft | 6s | 260.01° | 1ft | 13s | | | 10 11 mph | | Light Showers | 84°f | 100% |
| | 3pm | 2-3ft | | | 3ft | 6s | 258.85° | 1ft | 13s | | | 10 11 mph | | Overcast | 84°f | 100% |
| | 6pm | 2-3ft | | | 3ft | 6s | 258.19° | 1ft | 12s | | 0.2ft | 16s | | 10 12 mph | | Overcast | 84°f | 100% |
| | 9pm | 2-3ft | | | 3ft | 6s | 259.29° | 0.9ft | 12s | | 0.2ft | 17s | | 11 13 mph | | Overcast | 84°f | 100% |
| High | 6:10AM | 6.8ft | | Low | 12:39PM | 3.3ft | | High | 6:09PM | 6ft | | First Light | 5:43AM | | Sunrise | 6:06AM | | Sunset | 6:41PM | | Last Light | 7:03PM | |
| Tue 05/21 | 12am | 2-3ft | | | 3ft | 5s | 260.36° | 0.9ft | 12s | | 0.3ft | 16s | | 11 13 mph | | Light Showers | 84°f | 100% |
| | 3am | 2-3ft | | | 3ft | 5s | 259.96° | 0.9ft | 12s | | 0.3ft | 16s | | 10 11 mph | | Rain | 84°f | 100% |
| Tue 05/21 | 6am | 2-3ft | | | 3ft | 5s | 256.75° | 0.8ft | 12s | | 0.4ft | 16s | | 8 10 mph | | Showers | 84°f | 100% |
| | 9am | 2-3ft | | | 3ft | 5s | 252.56° | 0.8ft | 12s | | 0.7ft | 8s | | 10 12 mph | | Cloudy | 84°f | 100% |
| | Noon | 2-3ft | | | 3.5ft | 5s | 254.46° | 0.8ft | 12s | | 0.6ft | 15s | | 13 15 mph | | Brief Showers | 84°f | 100% |
| | 3pm | 2-3ft | | | 4ft | 5s | 261.26° | 0.7ft | 12s | | 0.6ft | 15s | | 14 16 mph | | Brief Showers | 84°f | 100% |
| | 6pm | 3-4ft | | | 4.5ft | 6s | 266.94° | 0.7ft | 15s | | 0.7ft | 12s | | 15 17 mph | | Severe Thunderstorms | 84°f | 100% |
| | 9pm | 3-4ft | | | 5ft | 6s | 271.44° | 0.7ft | 15s | | 0.7ft | 12s | | 16 19 mph | | Severe Thunderstorms | 84°f | 100% |
| Low | 12:23AM | 2.4ft | | High | 7:04AM | 7.3ft | | Low | 1:37PM | 2.6ft | | High | 7:20PM | 6.3ft | | First Light | 5:43AM | | Sunrise | 6:05AM | | Sunset | 6:41PM | | Last Light | 7:03PM | |
| Wed 05/22 | 12am | 3-4ft | | | 5ft | 6s | 275.09° | 0.8ft | 14s | | 0.6ft | 11s | | 14 16 mph | | Severe Thunderstorms | 84°f | 85% |
| | 3am | 3-4ft | | | 4.5ft | 6s | 276.2° | 0.8ft | 14s | | 0.6ft | 11s | | 13 15 mph | | Showers | 84°f | 85% |
| Wed 05/22 | 6am | 2-4ft | | | 4ft | 6s | 275.49° | 0.8ft | 14s | | | 11 13 mph | | Showers | 84°f | 90% |
| | 9am | 2-3ft | | | 3.5ft | 6s | 274.34° | 0.9ft | 14s | | | 13 15 mph | | Light Showers | 84°f | 90% |
| | Noon | 2-3ft | | | 3.5ft | 6s | 273.22° | 0.9ft | 14s | | | 12 14 mph | | Drizzle | 84°f | 95% |
| | 3pm | 2-3ft | | | 3ft | 6s | 272.58° | 1ft | 14s | | | 14 16 mph | | Light Showers | 84°f | 95% |
| | 6pm | 2-3ft | | | 3ft | 6s | 272.31° | 1ft | 14s | | | 11 13 mph | | Drizzle | 84°f | 90% |
| | 9pm | 2-3ft | | | 3ft | 6s | 270.98° | 1ft | 14s | | | 7 8 mph | | Overcast | 86°f | 90% |
| Low | 1:22AM | 2.1ft | | High | 7:50AM | 7.9ft | | Low | 2:24PM | 1.9ft | | High | 8:15PM | 6.8ft | | First Light | 5:43AM | | Sunrise | 6:05AM | | Sunset | 6:41PM | | Last Light | 7:03PM | |
| Thu 05/23 | 12am | 2-3ft | | | 3ft | 6s | 269.71° | 1ft | 14s | | | 5 6 mph | | Overcast | 84°f | 95% |
| | 3am | 2-3ft | | | 3ft | 6s | 269.09° | 1ft | 13s | | | 6 7 mph | | Light Showers | 84°f | 95% |
| Thu 05/23 | 6am | 2-3ft | | | 3ft | 6s | 269.19° | 1ft | 13s | | | 7 8 mph | | Drizzle | 84°f | 95% |
| | 9am | 2-3ft | | | 3ft | 6s | 269.72° | 1ft | 13s | | | 8 9 mph | | Cloudy | 84°f | 95% |
| | Noon | 2-3ft | | | 2.5ft | 7s | 270.16° | 1ft | 14s | | | 11 13 mph | | Cloudy | 86°f | 85% |
| | 3pm | 2-3ft | | | 3ft | 7s | 270.51° | 1ft | 14s | | | 14 16 mph | | Cloudy | 84°f | 85% |
| | 6pm | 2-3ft | | | 3ft | 7s | 269.99° | 1ft | 14s | | | 12 15 mph | | Brief Showers | 86°f | 85% |
| | 9pm | 2-3ft | | | 3ft | 5s | 268.37° | 1ft | 14s | | | 10 11 mph | | Cloudy | 86°f | 85% |
| Low | 2:12AM | 1.8ft | | High | 8:33AM | 8.4ft | | Low | 3:06PM | 1.3ft | | High | 9:04PM | 7.2ft | | First Light | 5:43AM | | Sunrise | 6:05AM | | Sunset | 6:41PM | | Last Light | 7:04PM | |
| Fri 05/24 | 12am | 2-3ft | | | 3.5ft | 5s | 267.76° | 1ft | 14s | | 0.3ft | 16s | | 8 9 mph | | Severe Thunderstorms | 84°f | 95% |
| | 3am | 2-3ft | | | 3.5ft | 6s | 267.68° | 0.9ft | 13s | | | 7 8 mph | | Cloudy | 84°f | 95% |
| Fri 05/24 | 6am | 2-3ft | | | 3.5ft | 6s | 267.46° | 0.9ft | 13s | | | 6 7 mph | | Cloudy | 84°f | 100% |
| | 9am | 2-4ft | | | 3.5ft | 7s | 266.87° | 0.9ft | 14s | | 0.3ft | 18s | | 10 12 mph | | Overcast | 84°f | 100% |
| | Noon | 2-4ft | | | 3.5ft | 7s | 264.88° | 1ft | 14s | | 0.4ft | 18s | | 16 17 mph | | Brief Showers | 84°f | 100% |
| | 3pm | 2-4ft | | | 4ft | 6s | 263.13° | 1ft | 14s | | 0.4ft | 19s | | 19 21 mph | | Brief Showers | 84°f | 100% |
| | 6pm | 3-4ft | | | 5ft | 6s | 262.17° | 1ft | 14s | | 0.6ft | 17s | | 17 20 mph | | Heavy Thunderstorms | 84°f | 90% |
| | 9pm | 3-5ft | | | 5.5ft | 6s | 262.96° | 0.9ft | 14s | | 0.8ft | 17s | | 16 19 mph | | Heavy Thunderstorms | 84°f | 90% |
| Low | 2:58AM | 1.6ft | | High | 9:14AM | 8.8ft | | Low | 3:48PM | 0.8ft | | High | 9:50PM | 7.5ft | | First Light | 5:43AM | | Sunrise | 6:05AM | | Sunset | 6:41PM | | Last Light | 7:04PM | |
| Sat 05/25 | 12am | 3-5ft | | | 6ft | 7s | 264.12° | 0.9ft | 17s | | 0.9ft | 14s | | 17 19 mph | | Severe Thunderstorms | 84°f | 100% |
| | 3am | 3-5ft | | | 6ft | 7s | 262.68° | 1.3ft | 17s | | | 17 20 mph | | Severe Thunderstorms | 84°f | 100% |
| Sat 05/25 | 6am | 3-5ft | | | 5.5ft | 7s | 259.8° | 1.4ft | 16s | | | 17 19 mph | | Heavy Thunderstorms | 82°f | 100% |
| | 9am | 3-5ft | | | 5.5ft | 7s | 256.96° | 1.6ft | 16s | | | 17 21 mph | | Drizzle | 84°f | 100% |
| | Noon | 3-5ft | | | 5.5ft | 7s | 254.64° | 1.6ft | 16s | | | 20 23 mph | | Drizzle | 86°f | 95% |
| | 3pm | 3-5ft | | | 6ft | 7s | 255.03° | 1.7ft | 16s | | | 21 24 mph | | Overcast | 86°f | 95% |
| | 6pm | 4-5ft | | | 6ft | 7s | 256.68° | 1.8ft | 16s | | | 19 22 mph | | Light Showers | 86°f | 100% |
| | 9pm | 4-6ft | | | 6.5ft | 7s | 258.11° | 1.8ft | 16s | | | 17 19 mph | | Overcast | 86°f | 100% |
| Low | 3:43AM | 1.5ft | | High | 9:54AM | 9ft | | Low | 4:29PM | 0.4ft | | High | 10:35PM | 7.7ft | | First Light | 5:43AM | | Sunrise | 6:05AM | | Sunset | 6:42PM | | Last Light | 7:04PM | |
| Sun 05/26 | 12am | 4-6ft | | | 6ft | 7s | 258.83° | 1.9ft | 16s | | | 17 19 mph | | Drizzle | 86°f | 100% |
| | 3am | 3-5ft | | | 6ft | 7s | 258.99° | 1.9ft | 15s | | | 15 17 mph | | Overcast | 86°f | 100% |
| Sun 05/26 | 6am | 3-5ft | | | 6ft | 7s | 258.59° | 1.9ft | 15s | | 0.2ft | 20s | | 14 16 mph | | Overcast | 86°f | 100% |
| | 9am | 3-5ft | | | 6ft | 7s | 258.78° | 1.9ft | 15s | | 0.2ft | 20s | | 15 17 mph | | Overcast | 86°f | 100% |
| | Noon | 3-5ft | | | 5.5ft | 7s | 258.5° | 1.9ft | 15s | | 0.2ft | 20s | | 15 17 mph | | Light Showers | 84°f | 100% |
| | 3pm | 3-5ft | | | 5.5ft | 7s | 258.15° | 1.9ft | 15s | | 0.3ft | 19s | | 15 17 mph | | Overcast | 86°f | 100% |
| | 6pm | 3-5ft | | | 5.5ft | 7s | 258.61° | 1.8ft | 14s | | 0.3ft | 19s | | 12 14 mph | | Light Showers | 84°f | 90% |
| | 9pm | 3-5ft | | | 5ft | 7s | 259.51° | 1.8ft | 14s | | 0.4ft | 19s | | 12 14 mph | | Overcast | 86°f | 90% |
| Low | 4:27AM | 1.5ft | | High | 10:35AM | 9ft | | Low | 5:11PM | 0.3ft | | High | 11:21PM | 7.8ft | | First Light | 5:43AM | | Sunrise | 6:05AM | | Sunset | 6:42PM | | Last Light | 7:05PM | |
| Mon 05/27 | 12am | 4-6ft | | | 5ft | 9s | 259.52° | 1.8ft | 14s | | 0.4ft | 19s | | 13 15 mph | | Light Showers | 84°f | 90% |
| | 3am | 3-5ft | | | 5ft | 7s | 258.89° | 1.7ft | 14s | | 0.5ft | 18s | | 14 16 mph | | Rain | 84°f | 90% |
| Mon 05/27 | 6am | 3-5ft | | | 5ft | 7s | 257.94° | 1.7ft | 14s | | 0.6ft | 18s | | 13 14 mph | | Rain | 86°f | 85% |
| | 9am | 3-5ft | | | 5ft | 7s | 257.28° | 1.7ft | 14s | | 0.6ft | 18s | | 14 15 mph | | Overcast | 86°f | 85% |
| | Noon | 3-5ft | | | 5ft | 7s | 257.29° | 1.6ft | 14s | | 0.6ft | 18s | | 13 14 mph | | Overcast | 86°f | 95% |
| | 3pm | 3-5ft | | | 5ft | 7s | 257.84° | 1.6ft | 14s | | 0.8ft | 17s | | 10 11 mph | | Overcast | 86°f | 95% |
| | 6pm | 3-5ft | | | 5ft | 9s | 258.73° | 1.6ft | 14s | | 0.8ft | 17s | | 10 11 mph | | Overcast | 86°f | 95% |
| | 9pm | 3-5ft | | | 4.5ft | 9s | 258.91° | 1.6ft | 13s | | 0.9ft | 17s | | 9 10 mph | | Overcast | 86°f | 95% |
| Low | 5:11AM | 1.7ft | | High | 11:16AM | 8.8ft | | Low | 5:54PM | 0.3ft | | First Light | 5:43AM | | Sunrise | 6:05AM | | Sunset | 6:42PM | | Last Light | 7:05PM | |
| Extended Surf Forecast for Khao Lak Area |
| Tue 05/28 | 12am | 3-5ft | | | 5.5ft | 6s | 257.44° | 1.6ft | 13s | | 0.9ft | 16s | | 11 12 mph | | Overcast | 84°f | 100% |
| | 3am | 3-5ft | | | 5.5ft | 6s | 257.44° | 1.6ft | 13s | | 0.9ft | 16s | | 9 11 mph | | Overcast | 84°f | 100% |
| Tue 05/28 | 6am | 3-5ft | | | 5.5ft | 6s | 256.87° | 1.5ft | 13s | | 1.2ft | 16s | | 11 13 mph | | Overcast | 84°f | 95% |
| | 9am | 3-4ft | | | 4.5ft | 6s | 252.86° | 2ft | 9s | | 1.5ft | 13s | | 10 11 mph | | Overcast | 86°f | 95% |
| | Noon | 3-4ft | | | 4.5ft | 7s | 252.28° | 2ft | 8s | | 1.4ft | 13s | | 10 10 mph | | Overcast | 86°f | 65% |
| | 3pm | 3-4ft | | | 4ft | 7s | 253.43° | 2ft | 8s | | | 7 7 mph | | Overcast | 84°f | 65% |
| | 6pm | 3-4ft | | | 4.5ft | 7s | 260.88° | 1.9ft | 16s | | | 7 7 mph | | Overcast | 84°f | 65% |
| | 9pm | 3-4ft | | | 4ft | 7s | 262.02° | 1.9ft | 15s | | | 10 11 mph | | Overcast | 84°f | 65% |
| High | 12:08AM | 7.7ft | | Low | 5:57AM | 2.1ft | | High | 11:58AM | 8.5ft | | Low | 6:38PM | 0.6ft | | First Light | 5:43AM | | Sunrise | 6:05AM | | Sunset | 6:42PM | | Last Light | 7:05PM | |
| Wed 05/29 | 12am | 3-4ft | | | 4ft | 7s | 263.17° | 1.9ft | 15s | | | 10 11 mph | | Overcast | 84°f | 75% |
| | 3am | 3-4ft | | | 4ft | 8s | 263.74° | 1.9ft | 15s | | | 6 7 mph | | Overcast | 84°f | 75% |
| Wed 05/29 | 6am | 3-4ft | | | 3.5ft | 8s | 264.32° | 1.9ft | 15s | | | 10 10 mph | | Cloudy | 84°f | 90% |
| | 9am | 3-4ft | | | 3.5ft | 8s | 265.46° | 1.9ft | 15s | | | 10 10 mph | | Cloudy | 84°f | 90% |
| | Noon | 3-4ft | | | 3.5ft | 8s | 265.46° | 2ft | 15s | | | 10 10 mph | | Cloudy | 84°f | 60% |
| | 3pm | 3-4ft | | | 3.5ft | 8s | 265.46° | 2ft | 14s | | | 10 10 mph | | Cloudy | 84°f | 60% |
| | 6pm | 3-4ft | | | 3.5ft | 8s | 265.46° | 2ft | 14s | | | 10 10 mph | | Cloudy | 84°f | 70% |
| | 9pm | 3-4ft | | | 3.5ft | 8s | 265.46° | 2ft | 14s | | | 10 12 mph | | Cloudy | 84°f | 70% |
| High | 12:58AM | 7.5ft | | Low | 6:46AM | 2.5ft | | High | 12:42PM | 7.9ft | | Low | 7:24PM | 1ft | | First Light | 5:43AM | | Sunrise | 6:05AM | | Sunset | 6:43PM | | Last Light | 7:05PM | |
| Thu 05/30 | 12am | 3-4ft | | | 3.5ft | 8s | 266.03° | 1.9ft | 14s | | 0.5ft | 18s | | 10 12 mph | | Cloudy | 84°f | 85% |