| Tue 05/21 | 12am | Flat | | | 0.5ft | 2s | 54.68° | | | 6 9 mph | | Mostly Clear | 79°f | N/A |
| | 3am | Flat | | | 0.5ft | 2s | 54.56° | | | 5 7 mph | | Brief Showers | 79°f | 80% |
| Tue 05/21 | 6am | Flat | | | 0.4ft | 2s | 53.81° | | | 4 6 mph | | Showers | 79°f | 80% |
| | 9am | Flat | | | 0.4ft | 2s | 52.28° | | | 5 8 mph | | Showers | 82°f | 80% |
| | Noon | Flat | | | 0.3ft | 2s | 50.61° | | | 5 6 mph | | Fair | 84°f | 80% |
| | 3pm | Flat | | | 0.4ft | 2s | 46.66° | | | 7 8 mph | | Fair | 86°f | 95% |
| | 6pm | Flat | | | 0.5ft | 2s | 44.3° | | | 7 12 mph | | Mostly Clear | 82°f | 95% |
| | 9pm | Flat | | | 0.4ft | 2s | 44.57° | | | 6 9 mph | | Mostly Clear | 81°f | 100% |
| High | 4:03AM | 15.9ft | | Low | 10:17AM | 2.6ft | | High | 4:32PM | 16ft | | Low | 10:38PM | 2.5ft | | First Light | 5:30AM | | Sunrise | 5:52AM | | Sunset | 5:54PM | | Last Light | 6:16PM | |
| Wed 05/22 | 12am | Flat | | | 0.3ft | 2s | 44.27° | | | 4 5 mph | | Mostly Clear | 81°f | 100% |
| | 3am | Flat | | | 0.2ft | 2s | 43.64° | | | 2 3 mph | | Mostly Clear | 79°f | 100% |
| Wed 05/22 | 6am | Flat | | | 0.2ft | 2s | 42.92° | | | 2 3 mph | | Cloudy | 79°f | 100% |
| | 9am | Flat | | | No Incoming Swell | | 3 4 mph | | Thunderstorms | 82°f | 100% |
| | Noon | Flat | | | No Incoming Swell | | 5 6 mph | | Thunderstorms | 86°f | 100% |
| | 3pm | Flat | | | No Incoming Swell | | 6 8 mph | | Thundery Showers | 86°f | 95% |
| | 6pm | Flat | | | 0.3ft | 1s | 52.34° | | | 8 13 mph | | Showers | 81°f | 95% |
| | 9pm | Flat | | | 0.4ft | 2s | 61.84° | | | 7 13 mph | | Thunderstorms | 81°f | 95% |
| High | 4:55AM | 17.1ft | | Low | 11:10AM | 1.4ft | | High | 5:25PM | 16.9ft | | Low | 11:28PM | 1.7ft | | First Light | 5:30AM | | Sunrise | 5:52AM | | Sunset | 5:54PM | | Last Light | 6:16PM | |
| Thu 05/23 | 12am | Flat | | | 0.6ft | 2s | 69.53° | | | 7 12 mph | | Thunderstorms | 79°f | 95% |
| | 3am | Flat | | | 0.7ft | 2s | 79.13° | | | 5 9 mph | | Rain | 79°f | 95% |
| Thu 05/23 | 6am | Flat | | | 0.6ft | 2s | 84.09° | | | 4 7 mph | | Drizzle | 79°f | 95% |
| | 9am | Flat | | | 0.5ft | 2s | 83.19° | | | 7 12 mph | | Rain | 82°f | 95% |
| | Noon | Flat | | | 0.4ft | 2s | 79.44° | | | 9 12 mph | | Brief Showers | 84°f | 95% |
| | 3pm | Flat | | | 0.6ft | 2s | 67.08° | | | 9 11 mph | | Brief Showers | 84°f | 85% |
| | 6pm | Flat | | | 0.6ft | 2s | 62.1° | | | 7 13 mph | | Cloudy | 82°f | 85% |
| | 9pm | Flat | | | 0.6ft | 2s | 61.82° | | | 6 12 mph | | Mostly Clear | 81°f | 55% |
| High | 5:43AM | 18.1ft | | Low | 11:58AM | 0.3ft | | High | 6:13PM | 17.6ft | | First Light | 5:30AM | | Sunrise | 5:52AM | | Sunset | 5:54PM | | Last Light | 6:16PM | |
| Fri 05/24 | 12am | Flat | | | 0.6ft | 2s | 64.2° | | | 6 12 mph | | Mostly Clear | 81°f | 55% |
| | 3am | Flat | | | 0.6ft | 2s | 67.1° | | | 5 9 mph | | Mostly Clear | 79°f | 60% |
| Fri 05/24 | 6am | Flat | | | 0.5ft | 2s | 69.87° | | | 5 9 mph | | Brief Showers | 79°f | 60% |
| | 9am | Flat | | | 0.5ft | 2s | 74.23° | | | 7 12 mph | | Brief Showers | 82°f | 65% |
| | Noon | Flat | | | 0.6ft | 2s | 76.87° | | | 8 12 mph | | Brief Showers | 86°f | 65% |
| | 3pm | Flat | | | 0.7ft | 2s | 70.72° | | | 8 10 mph | | Brief Showers | 86°f | 75% |
| | 6pm | Flat | | | 0.7ft | 2s | 65.2° | | | 7 12 mph | | Mostly Clear | 82°f | 75% |
| | 9pm | Flat | | | 0.6ft | 2s | 62.52° | | | 7 14 mph | | Mostly Clear | 81°f | 75% |
| Low | 12:15AM | 1ft | | High | 6:29AM | 18.9ft | | Low | 12:45PM | -0.5ft | | High | 7:00PM | 18.1ft | | First Light | 5:30AM | | Sunrise | 5:53AM | | Sunset | 5:54PM | | Last Light | 6:17PM | |
| Sat 05/25 | 12am | Flat | | | 0.6ft | 2s | 63.3° | | | 7 14 mph | | Mostly Clear | 81°f | 75% |
| | 3am | Flat | | | 0.6ft | 2s | 66.09° | | | 6 11 mph | | Brief Showers | 81°f | 65% |
| Sat 05/25 | 6am | Flat | | | 0.5ft | 2s | 68.22° | | | 5 7 mph | | Severe Thunderstorms | 79°f | 65% |
| | 9am | Flat | | | 0.4ft | 2s | 72.91° | | | 7 11 mph | | Brief Showers | 82°f | 60% |
| | Noon | Flat | | | 0.5ft | 2s | 77.15° | | | 7 10 mph | | Brief Showers | 86°f | 60% |
| | 3pm | Flat | | | 0.6ft | 2s | 71.54° | | | 8 9 mph | | Brief Showers | 86°f | 55% |
| | 6pm | Flat | | | 0.6ft | 2s | 62.74° | | | 7 13 mph | | Mostly Clear | 82°f | 55% |
| | 9pm | Flat | | | 0.7ft | 2s | 59.98° | | | 7 15 mph | | Mostly Clear | 81°f | 60% |
| Low | 1:01AM | 0.6ft | | High | 7:15AM | 19.4ft | | Low | 1:31PM | -0.9ft | | High | 7:46PM | 18.3ft | | First Light | 5:31AM | | Sunrise | 5:53AM | | Sunset | 5:54PM | | Last Light | 6:17PM | |
| Sun 05/26 | 12am | Flat | | | 0.7ft | 2s | 62.22° | | | 7 16 mph | | Mostly Clear | 81°f | 60% |
| | 3am | Flat | | | 0.7ft | 2s | 66.02° | | | 6 11 mph | | Mostly Clear | 81°f | 65% |
| Sun 05/26 | 6am | Flat | | | 0.6ft | 2s | 71.86° | | | 6 10 mph | | Fair | 79°f | 65% |
| | 9am | Flat | | | 0.8ft | 2s | 79.78° | | | 7 11 mph | | Brief Showers | 81°f | 85% |
| | Noon | Flat | | | 0.8ft | 2s | 77.85° | | | 9 13 mph | | Brief Showers | 84°f | 85% |
| | 3pm | Flat | | | 0.9ft | 2s | 72.05° | | | 10 13 mph | | Showers | 84°f | 85% |
| | 6pm | Flat | | | 0.8ft | 2s | 66.45° | | | 7 13 mph | | Mostly Clear | 82°f | 85% |
| | 9pm | Flat | | | 0.8ft | 2s | 64.35° | | | 7 15 mph | | Clear | 81°f | 85% |
| Low | 1:47AM | 0.6ft | | High | 8:00AM | 19.5ft | | Low | 2:17PM | -0.9ft | | High | 8:33PM | 18.2ft | | First Light | 5:31AM | | Sunrise | 5:53AM | | Sunset | 5:55PM | | Last Light | 6:17PM | |
| Mon 05/27 | 12am | Flat | | | 0.8ft | 3s | 66.78° | | | 7 15 mph | | Brief Showers | 81°f | 85% |
| | 3am | Flat | | | 0.8ft | 3s | 70.73° | | | 7 15 mph | | Brief Showers | 79°f | 90% |
| Mon 05/27 | 6am | Flat | | | 0.7ft | 3s | 76.84° | 0.2ft | 6s | | | 7 13 mph | | Heavy Thunderstorms | 79°f | 90% |
| | 9am | Flat | | | 0.9ft | 2s | 83.21° | | | 9 16 mph | | Severe Thunderstorms | 82°f | 90% |
| | Noon | Flat | | | 1ft | 3s | 81.17° | | | 10 14 mph | | Brief Showers | 84°f | 90% |
| | 3pm | Flat | | | 0.9ft | 3s | 76.24° | | | 9 13 mph | | Showers | 84°f | 95% |
| | 6pm | Flat | | | 0.8ft | 3s | 73.26° | 0.2ft | 7s | | | 8 14 mph | | Mostly Clear | 82°f | 95% |
| | 9pm | Flat | | | 0.2ft | 7s | 55.1° | 0.6ft | 2s | | | 6 13 mph | | Mostly Clear | 81°f | 100% |
| Low | 2:33AM | 0.8ft | | High | 8:46AM | 19.1ft | | Low | 3:04PM | -0.4ft | | High | 9:20PM | 17.7ft | | First Light | 5:31AM | | Sunrise | 5:53AM | | Sunset | 5:55PM | | Last Light | 6:17PM | |
| Extended Surf Forecast for Sao Marcos Area |
| Tue 05/28 | 12am | Flat | | | 0.3ft | 2s | 64.93° | | | 7 12 mph | | Showers | 81°f | 100% |
| | 3am | Flat | | | 0.3ft | 2s | 67.79° | | | 8 17 mph | | Showers | 79°f | 100% |
| Tue 05/28 | 6am | Flat | | | 0.3ft | 2s | 69.51° | | | 8 18 mph | | Brief Showers | 79°f | 100% |
| | 9am | Flat | | | 0.3ft | 2s | 73.52° | | | 12 20 mph | | Brief Showers | 82°f | 100% |
| | Noon | Flat | | | 0.3ft | 2s | 74.67° | | | 11 17 mph | | Fair | 86°f | 100% |
| | 3pm | Flat | | | 0.3ft | 2s | 75.24° | | | 8 13 mph | | Fair | 88°f | 100% |
| | 6pm | Flat | | | 0.3ft | 2s | 68.36° | | | 5 7 mph | | Clear | 84°f | 100% |
| | 9pm | Flat | | | 0.3ft | 2s | 56.33° | | | 7 12 mph | | Clear | 81°f | 100% |
| Low | 3:20AM | 1.4ft | | High | 9:35AM | 18.4ft | | Low | 3:53PM | 0.4ft | | High | 10:10PM | 17ft | | First Light | 5:31AM | | Sunrise | 5:53AM | | Sunset | 5:55PM | | Last Light | 6:17PM | |
| Wed 05/29 | 12am | Flat | | | 0.3ft | 2s | 51.18° | | | 7 16 mph | | Mostly Clear | 81°f | 100% |
| | 3am | Flat | | | 0.3ft | 2s | 52.32° | | | 7 14 mph | | Mostly Clear | 81°f | 65% |
| Wed 05/29 | 6am | Flat | | | 0.3ft | 2s | 60.92° | | | 3 5 mph | | Fair | 73°f | 65% |
| | 9am | Flat | | | 0.7ft | 2s | 101.02° | | | 7 14 mph | | Fair | 82°f | 85% |
| | Noon | Flat | | | 0.6ft | 2s | 99.88° | | | 7 14 mph | | Fair | 82°f | 85% |
| | 3pm | Flat | | | 0.6ft | 2s | 97.59° | | | 7 14 mph | | Fair | 82°f | 100% |
| | 6pm | Flat | | | 0.5ft | 2s | 94.72° | | | 4 6 mph | | Brief Showers | 77°f | 100% |
| | 9pm | Flat | | | 0.4ft | 2s | 89.56° | | | 4 9 mph | | Mostly Clear | 79°f | 95% |
| Low | 4:11AM | 2.1ft | | High | 10:26AM | 17.4ft | | Low | 4:44PM | 1.3ft | | High | 11:03PM | 16.2ft | | First Light | 5:31AM | | Sunrise | 5:53AM | | Sunset | 5:55PM | | Last Light | 6:17PM | |
| Thu 05/30 | 12am | Flat | | | 0.3ft | 2s | 72.38° | | | 3 6 mph | | Clear | 77°f | 95% |
| | 3am | Flat | | | 0.3ft | 2s | 80.4° | | | 3 6 mph | | Clear | 77°f | 95% |
| Thu 05/30 | 6am | Flat | | | 0.3ft | 2s | 80.4° | | | 3 6 mph | | Sunny | 77°f | 95% |
| | 9am | Flat | | | 0.4ft | 2s | 87.27° | | | 3 6 mph | | Sunny | 77°f | 90% |
| | Noon | Flat | | | No Incoming Swell | | 6 7 mph | | Brief Showers Possible | 88°f | 90% |
| | 3pm | Flat | | | No Incoming Swell | | 6 7 mph | | Brief Showers Possible | 88°f | 100% |
| | 6pm | Flat | | | No Incoming Swell | | 6 7 mph | | Brief Showers Possible | 88°f | 100% |
| | 9pm | Flat | | | No Incoming Swell | | 3 4 mph | | Brief Showers Possible | 77°f | 100% |
| Low | 5:06AM | 3ft | | High | 11:22AM | 16.4ft | | Low | 5:40PM | 2.4ft | | First Light | 5:31AM | | Sunrise | 5:54AM | | Sunset | 5:55PM | | Last Light | 6:17PM | |
| Fri 05/31 | 12am | Flat | | | No Incoming Swell | | 3 4 mph | | Brief Showers Possible | 77°f | 100% |