| Sun 05/19 | 12am | 1ft | | | 1.1ft | 12s | 286.29° | 7.5ft | 10s | | | 9 10 mph | | Brief Showers Possible | 55°f | 100% |
| | 3am | 1ft | | | 1.1ft | 12s | 285.13° | 7ft | 10s | | | 7 8 mph | | Mostly Clear | 54°f | 100% |
| Sun 05/19 | 6am | 1-2ft | | | 1.3ft | 11s | 286.86° | 6.5ft | 10s | | | 4 4 mph | | Fair | 54°f | 100% |
| | 9am | 1-2ft | | | 1.5ft | 11s | 287.67° | 6ft | 10s | | | 4 mph | | Overcast | 54°f | 100% |
| | Noon | 1-2ft | | | 1.4ft | 11s | 288.71° | 5.5ft | 9s | | | 9 9 mph | | Overcast | 55°f | 100% |
| | 3pm | 1ft | | | 1.2ft | 11s | 286.7° | 5ft | 9s | | | 10 11 mph | | Cloudy | 57°f | 100% |
| | 6pm | 1-2ft | | | 1.5ft | 10s | 287.85° | 5ft | 9s | | | 6 6 mph | | Cloudy | 57°f | 100% |
| | 9pm | 1-2ft | | | 1.5ft | 10s | 288.33° | 4.5ft | 9s | | | 6 7 mph | | Clear | 57°f | 100% |
| Low | 4:35AM | 4.7ft | | High | 10:44AM | 7.9ft | | Low | 5:01PM | 4.9ft | | High | 11:07PM | 8.4ft | | First Light | 5:37AM | | Sunrise | 6:09AM | | Sunset | 8:54PM | | Last Light | 9:26PM | |
| Mon 05/20 | 12am | 1ft | | | 1.2ft | 10s | 287.72° | 4.5ft | 9s | | | 8 9 mph | | Clear | 55°f | 100% |
| | 3am | 1ft | | | 1.3ft | 10s | 288.99° | 4ft | 8s | | | 8 9 mph | | Clear | 54°f | 100% |
| Mon 05/20 | 6am | 1ft | | | 1.3ft | 10s | 288.16° | 4ft | 8s | | | 8 9 mph | | Sunny | 52°f | 100% |
| | 9am | 1ft | | | 3.5ft | 8s | 317.06° | 1ft | 9s | | 2ft | 4s | | 9 10 mph | | Sunny | 55°f | 100% |
| | Noon | 1ft | | | 1ft | 10s | 285.54° | 3.5ft | 8s | | 2ft | 4s | | 12 13 mph | | Sunny | 59°f | 100% |
| | 3pm | 1ft | | | 1ft | 9s | 285.62° | 0.8ft | 11s | | 5ft | 8s | | 20 22 mph | | Fair | 61°f | 100% |
| | 6pm | 1ft | | | 1ft | 12s | 287.85° | 0.9ft | 8s | | 5.5ft | 5s | | 21 26 mph | | Fair | 61°f | 100% |
| | 9pm | 1ft | | | 1ft | 12s | 289.17° | 0.3ft | 15s | | 6ft | 9s | | 19 26 mph | | Overcast | 57°f | 100% |
| Low | 5:40AM | 4.3ft | | High | 11:50AM | 8.3ft | | Low | 6:05PM | 4.3ft | | First Light | 5:36AM | | Sunrise | 6:08AM | | Sunset | 8:54PM | | Last Light | 9:27PM | |
| Tue 05/21 | 12am | 1ft | | | 1.1ft | 12s | 292.25° | 0.4ft | 15s | | 6ft | 9s | | 15 17 mph | | Cloudy | 55°f | 100% |
| | 3am | 1ft | | | 1.1ft | 11s | 291.32° | 0.6ft | 15s | | 5.5ft | 9s | | 12 13 mph | | Mostly Clear | 52°f | 100% |
| Tue 05/21 | 6am | 1ft | | | 1.2ft | 11s | 296.27° | 3.5ft | 9s | | 3.5ft | 5s | | 9 10 mph | | Fair | 52°f | 100% |
| | 9am | 1ft | | | 1.3ft | 11s | 298.21° | 3ft | 9s | | 3.5ft | 5s | | 7 7 mph | | Fair | 57°f | 100% |
| | Noon | 1ft | | | 1.4ft | 10s | 300.15° | 1.6ft | 15s | | 4.5ft | 8s | | 10 11 mph | | Fair | 61°f | 100% |
| | 3pm | 1ft | | | 1.5ft | 10s | 298.56° | 1.5ft | 15s | | 4.5ft | 8s | | 14 16 mph | | Sunny | 63°f | 100% |
| | 6pm | 1ft | | | 1.6ft | 10s | 300.16° | 2.5ft | 14s | | 5.5ft | 6s | | 16 21 mph | | Fair | 63°f | 70% |
| | 9pm | 1ft | | | 1.5ft | 10s | 297.86° | 3ft | 14s | | 6ft | 6s | | 14 19 mph | | Mostly Clear | 61°f | 70% |
| High | 12:12AM | 8.8ft | | Low | 6:36AM | 3.6ft | | High | 12:48PM | 9ft | | Low | 7:00PM | 3.6ft | | First Light | 5:35AM | | Sunrise | 6:08AM | | Sunset | 8:55PM | | Last Light | 9:28PM | |
| Wed 05/22 | 12am | 1ft | | | 1.5ft | 9s | 299° | 3ft | 13s | | 6ft | 7s | | 11 13 mph | | Mostly Clear | 57°f | 100% |
| | 3am | 1ft | | | 3.5ft | 13s | 321.08° | 6.5ft | 7s | | | 9 10 mph | | Mostly Clear | 55°f | 100% |
| Wed 05/22 | 6am | 1ft | | | 3.5ft | 13s | 320.66° | 6ft | 7s | | | 6 6 mph | | Fair | 55°f | 100% |
| | 9am | 1ft | | | 3.5ft | 13s | 321.35° | 5.5ft | 7s | | | 3 3 mph | | Fair | 59°f | 100% |
| | Noon | 1ft | | | 3.5ft | 13s | 319.26° | 5ft | 7s | | | 9 10 mph | | Fair | 63°f | 100% |
| | 3pm | 1ft | | | 3.5ft | 13s | 318.39° | 0.2ft | 15s | | 5.5ft | 7s | | 13 15 mph | | Sunny | 64°f | 100% |
| | 6pm | 1ft | | | 1.2ft | 11s | 293.46° | 3.5ft | 12s | | 6.5ft | 7s | | 14 18 mph | | Sunny | 64°f | 100% |
| | 9pm | 1ft | | | 3ft | 12s | 319.86° | 0.2ft | 15s | | 7.5ft | 7s | | 14 18 mph | | Clear | 64°f | 100% |
| High | 1:10AM | 9.4ft | | Low | 7:26AM | 3ft | | High | 1:40PM | 9.7ft | | Low | 7:50PM | 2.8ft | | First Light | 5:34AM | | Sunrise | 6:07AM | | Sunset | 8:56PM | | Last Light | 9:29PM | |
| Thu 05/23 | 12am | 1ft | | | 3ft | 12s | 321.72° | 7.5ft | 8s | | | 13 16 mph | | Clear | 59°f | 100% |
| | 3am | 1-2ft | | | 1.3ft | 11s | 287.08° | 3ft | 12s | | 7ft | 8s | | 12 13 mph | | Clear | 57°f | 100% |
| Thu 05/23 | 6am | 1-2ft | | | 1.3ft | 11s | 287.43° | 2.5ft | 12s | | 7ft | 8s | | 11 12 mph | | Sunny | 55°f | 100% |
| | 9am | 1-2ft | | | 1.3ft | 11s | 287.31° | 2ft | 11s | | 6.5ft | 8s | | 8 9 mph | | Sunny | 61°f | 100% |
| | Noon | 1ft | | | 1.3ft | 10s | 288.95° | 2.5ft | 11s | | 6.5ft | 8s | | 11 12 mph | | Sunny | 64°f | 100% |
| | 3pm | 1ft | | | 1.2ft | 10s | 286.82° | 7.5ft | 8s | | | 15 19 mph | | Sunny | 68°f | 100% |
| | 6pm | 1ft | | | 1.2ft | 10s | 286.63° | 9ft | 8s | | | 18 23 mph | | Sunny | 68°f | 95% |
| | 9pm | Flat | | | 9.5ft | 8s | 346.62° | | | 16 21 mph | | Clear | 63°f | 95% |
| High | 2:02AM | 10ft | | Low | 8:13AM | 2.3ft | | High | 2:29PM | 10.5ft | | Low | 8:37PM | 2.1ft | | First Light | 5:33AM | | Sunrise | 6:06AM | | Sunset | 8:57PM | | Last Light | 9:30PM | |
| Fri 05/24 | 12am | Flat | | | 9.5ft | 8s | 349.88° | | | 12 13 mph | | Clear | 59°f | 75% |
| | 3am | 1ft | | | 0.9ft | 10s | 282.43° | 8.5ft | 8s | | | 8 10 mph | | Clear | 59°f | 75% |
| Fri 05/24 | 6am | 1ft | | | 0.8ft | 10s | 284.02° | 0.2ft | 14s | | 8ft | 8s | | 7 8 mph | | Sunny | 59°f | 50% |
| | 9am | 1ft | | | 0.8ft | 10s | 286.3° | 0.2ft | 17s | | 7ft | 8s | | 5 6 mph | | Sunny | 63°f | 50% |
| | Noon | 1ft | | | 0.8ft | 9s | 286.41° | 0.2ft | 17s | | 7ft | 8s | | 10 10 mph | | Sunny | 66°f | 45% |
| | 3pm | 1ft | | | 0.7ft | 9s | 283.94° | 0.2ft | 17s | | 8ft | 8s | | 15 19 mph | | Sunny | 68°f | 45% |
| | 6pm | Flat | | | 0.2ft | 17s | 206.78° | 9ft | 8s | | | 18 24 mph | | Sunny | 68°f | 38% |
| | 9pm | Flat | | | 0.2ft | 17s | 206.75° | 9.5ft | 8s | | | 18 24 mph | | Clear | 63°f | 38% |
| High | 2:52AM | 10.6ft | | Low | 8:58AM | 1.8ft | | High | 3:15PM | 11.1ft | | Low | 9:24PM | 1.6ft | | First Light | 5:32AM | | Sunrise | 6:05AM | | Sunset | 8:58PM | | Last Light | 9:31PM | |
| Sat 05/25 | 12am | 1ft | | | 0.6ft | 9s | 280.13° | 9.5ft | 8s | | | 17 21 mph | | Clear | 55°f | 45% |
| | 3am | Flat | | | 0.5ft | 9s | 283.69° | 0.2ft | 16s | | 8.5ft | 8s | | 14 16 mph | | Clear | 54°f | 45% |
| Sat 05/25 | 6am | Flat | | | 0.5ft | 9s | 283.27° | 0.2ft | 16s | | 7ft | 7s | | 12 13 mph | | Sunny | 54°f | 60% |
| | 9am | Flat | | | 0.2ft | 16s | 207.06° | 0.4ft | 9s | | 6ft | 7s | | 8 10 mph | | Sunny | 59°f | 60% |
| | Noon | Flat | | | 0.2ft | 16s | 207.19° | 0.4ft | 9s | | 5.5ft | 7s | | 10 12 mph | | Sunny | 66°f | 50% |
| | 3pm | Flat | | | 0.2ft | 16s | 207.24° | 0.4ft | 9s | | 5ft | 7s | | 15 18 mph | | Sunny | 72°f | 50% |
| | 6pm | Flat | | | 0.2ft | 15s | 207.46° | 0.4ft | 9s | | 5.5ft | 7s | | 19 26 mph | | Sunny | 72°f | 29% |
| | 9pm | Flat | | | 0.2ft | 15s | 207.58° | 0.4ft | 9s | | 6ft | 7s | | 19 26 mph | | Clear | 64°f | 29% |
| High | 3:40AM | 11ft | | Low | 9:43AM | 1.5ft | | High | 4:01PM | 11.5ft | | Low | 10:10PM | 1.3ft | | First Light | 5:32AM | | Sunrise | 6:05AM | | Sunset | 8:59PM | | Last Light | 9:32PM | |
| Sun 05/26 | 12am | Flat | | | 0.2ft | 15s | 207.65° | 0.4ft | 9s | | 6ft | 7s | | 18 23 mph | | Clear | 55°f | 43% |
| | 3am | Flat | | | 0.2ft | 15s | 207.39° | 0.3ft | 8s | | 5.5ft | 7s | | 18 22 mph | | Clear | 52°f | 43% |
| Sun 05/26 | 6am | Flat | | | 0.2ft | 15s | 207.42° | 0.4ft | 8s | | 5ft | 7s | | 17 20 mph | | Sunny | 52°f | 30% |
| | 9am | Flat | | | 0.2ft | 15s | 207.41° | 0.4ft | 8s | | 5ft | 6s | | 16 19 mph | | Sunny | 57°f | 30% |
| | Noon | Flat | | | 0.3ft | 13s | 280.85° | 0.4ft | 8s | | 5.5ft | 6s | | 18 21 mph | | Sunny | 63°f | 11% |
| | 3pm | Flat | | | 0.3ft | 13s | 280.73° | 0.2ft | 14s | | 5.5ft | 6s | | 23 28 mph | | Sunny | 66°f | 11% |
| | 6pm | Flat | | | 0.4ft | 12s | 280.91° | 0.4ft | 8s | | 5ft | 6s | | 24 30 mph | | Sunny | 64°f | 12% |
| | 9pm | Flat | | | 0.4ft | 12s | 280.95° | 0.4ft | 8s | | 4.5ft | 6s | | 23 31 mph | | Clear | 59°f | 12% |
| High | 4:27AM | 11.1ft | | Low | 10:28AM | 1.5ft | | High | 4:48PM | 11.6ft | | Low | 10:57PM | 1.3ft | | First Light | 5:31AM | | Sunrise | 6:04AM | | Sunset | 9:00PM | | Last Light | 9:33PM | |
| Extended Surf Forecast for Viana do Castelo Area |
| Mon 05/27 | 12am | 2ft | | | 2ft | 11s | 279.79° | 0.4ft | 13s | | 8.5ft | 7s | | 14 17 mph | | Mostly Clear | 57°f | 15% |
| | 3am | 1-2ft | | | 1.9ft | 11s | 279.79° | 0.4ft | 13s | | 8.5ft | 7s | | 10 12 mph | | Clear | 57°f | 15% |
| Mon 05/27 | 6am | 1-2ft | | | 1.8ft | 11s | 279.79° | 0.4ft | 13s | | 8.5ft | 7s | | 7 9 mph | | Sunny | 57°f | 86% |
| | 9am | 1-2ft | | | 1.8ft | 11s | 280.36° | 0.4ft | 13s | | 7ft | 7s | | 6 7 mph | | Cloudy | 59°f | 86% |
| | Noon | 1-2ft | | | 1.7ft | 11s | 280.93° | 0.4ft | 13s | | 5.5ft | 7s | | 10 11 mph | | Cloudy | 61°f | 77% |
| | 3pm | 1-2ft | | | 1.6ft | 10s | 280.93° | 0.4ft | 13s | | 5ft | 7s | | 11 13 mph | | Brief Showers | 57°f | 77% |
| | 6pm | 1-2ft | | | 1.5ft | 10s | 282.08° | 0.4ft | 13s | | 5.5ft | 7s | | 11 13 mph | | Brief Showers | 57°f | 46% |
| | 9pm | 1-2ft | | | 1.4ft | 10s | 281.5° | 0.4ft | 12s | | 6.5ft | 8s | | 11 14 mph | | Mostly Clear | 59°f | 46% |
| High | 5:15AM | 11ft | | Low | 11:14AM | 1.8ft | | High | 5:35PM | 11.5ft | | Low | 11:46PM | 1.6ft | | First Light | 5:30AM | | Sunrise | 6:03AM | | Sunset | 9:01PM | | Last Light | 9:34PM | |
| Tue 05/28 | 12am | 1-2ft | | | 1.3ft | 10s | 282.08° | 6.5ft | 8s | | | 19 21 mph | | Mostly Clear | 57°f | 49% |
| | 3am | 1-2ft | | | 1.2ft | 10s | 282.08° | 6ft | 8s | | | 19 21 mph | | Mostly Clear | 57°f | 49% |
| Tue 05/28 | 6am | 1ft | | | 1ft | 9s | 282.08° | 5.5ft | 8s | | | 19 21 mph | | Fair | 57°f | 76% |
| | 9am | 1ft | | | 0.9ft | 9s | 282.08° | 5ft | 8s | | | 25 27 mph | | Brief Showers | 57°f | 76% |
| | Noon | 1ft | | | 0.9ft | 9s | 282.65° | 4.5ft | 8s | | | 25 27 mph | | Brief Showers | 57°f | 44% |
| | 3pm | 1ft | | | 0.4ft | 13s | 205.87° | 0.8ft | 9s | | 4.5ft | 8s | | 25 27 mph | | Brief Showers | 57°f | 44% |
| | 6pm | 1ft | | | 0.4ft | 13s | 205.87° | 0.7ft | 9s | | 5ft | 7s | | 25 27 mph | | Brief Showers | 57°f | 40% |
| | 9pm | 1ft | | | 0.7ft | 9s | 285.52° | 0.3ft | 12s | | 6ft | 8s | | 19 21 mph | | Mostly Clear | 57°f | 40% |
| High | 6:05AM | 10.7ft | | Low | 12:02PM | 2.3ft | | High | 6:25PM | 11.2ft | | First Light | 5:30AM | | Sunrise | 6:03AM | | Sunset | 9:02PM | | Last Light | 9:35PM | |
| Wed 05/29 | 12am | 1ft | | | 0.6ft | 9s | 284.37° | 6.5ft | 8s | | | 30 34 mph | | Clear | 57°f | 11% |