| Wed 05/22 | 12am | 1ft | | | 1.4ft | 10s | 296.32° | 3ft | 13s | | 6ft | 6s | | 13 15 mph | | Clear | 55°f | 100% |
| | 3am | 1ft | | | 3.5ft | 13s | 321.12° | 6ft | 7s | | | 10 11 mph | | Mostly Clear | 55°f | 100% |
| Wed 05/22 | 6am | 1ft | | | 3.5ft | 13s | 320.43° | 5.5ft | 7s | | | 9 9 mph | | Fair | 54°f | 100% |
| | 9am | 1ft | | | 3.5ft | 13s | 320.11° | 5.5ft | 7s | | | 7 8 mph | | Fair | 57°f | 100% |
| | Noon | 1ft | | | 4ft | 13s | 318.81° | 5.5ft | 7s | | | 12 14 mph | | Fair | 63°f | 100% |
| | 3pm | 1ft | | | 3.5ft | 12s | 319.62° | 0.2ft | 15s | | 6.5ft | 7s | | 17 22 mph | | Fair | 64°f | 100% |
| | 6pm | 1ft | | | 1.2ft | 11s | 291.51° | 0.2ft | 15s | | 8.5ft | 7s | | 20 27 mph | | Fair | 64°f | 100% |
| | 9pm | Flat | | | 0.2ft | 15s | 206.04° | 9.5ft | 7s | | | 19 26 mph | | Clear | 61°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 | | | 1.3ft | 11s | 291.43° | 2.5ft | 12s | | 8.5ft | 7s | | 16 20 mph | | Clear | 57°f | 100% |
| | 3am | 1-2ft | | | 1.3ft | 11s | 287.98° | 2.5ft | 12s | | 8ft | 7s | | 14 16 mph | | Clear | 54°f | 100% |
| Thu 05/23 | 6am | 1ft | | | 1.3ft | 10s | 287.7° | 2.5ft | 12s | | 7.5ft | 7s | | 13 14 mph | | Sunny | 54°f | 100% |
| | 9am | 1-2ft | | | 1.4ft | 10s | 287.68° | 2ft | 11s | | 7.5ft | 8s | | 11 12 mph | | Sunny | 59°f | 100% |
| | Noon | 1-2ft | | | 1.4ft | 10s | 288.4° | 2ft | 11s | | 7.5ft | 8s | | 14 16 mph | | Sunny | 66°f | 100% |
| | 3pm | 1ft | | | 1.3ft | 10s | 287.38° | 8.5ft | 8s | | | 21 25 mph | | Sunny | 68°f | 100% |
| | 6pm | Flat | | | 10ft | 8s | 345.03° | | | 24 31 mph | | Sunny | 66°f | 95% |
| | 9pm | Flat | | | 10.5ft | 8s | 347.57° | | | 24 32 mph | | Clear | 59°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 | | | 10ft | 8s | 351.55° | | | 23 30 mph | | Clear | 55°f | 100% |
| | 3am | 1ft | | | 0.8ft | 10s | 279.25° | 9ft | 8s | | | 22 28 mph | | Clear | 54°f | 100% |
| Fri 05/24 | 6am | 1ft | | | 0.7ft | 10s | 277.85° | 9ft | 7s | | | 22 28 mph | | Sunny | 54°f | 100% |
| | 9am | Flat | | | 9ft | 8s | 354.7° | | | 22 26 mph | | Sunny | 57°f | 100% |
| | Noon | Flat | | | 9ft | 8s | 352.63° | | | 24 28 mph | | Sunny | 61°f | 70% |
| | 3pm | Flat | | | 9ft | 7s | 349.49° | | | 28 32 mph | | Sunny | 63°f | 70% |
| | 6pm | Flat | | | 10ft | 8s | 349.38° | | | 28 33 mph | | Sunny | 61°f | 90% |
| | 9pm | Flat | | | 10ft | 8s | 353.54° | | | 28 36 mph | | Clear | 57°f | 90% |
| 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 | Flat | | | 9ft | 8s | 356.91° | | | 24 32 mph | | Clear | 54°f | 95% |
| | 3am | Flat | | | 8.5ft | 7s | 358.51° | | | 21 27 mph | | Clear | 50°f | 95% |
| Sat 05/25 | 6am | 1ft | | | 0.6ft | 9s | 284.1° | 7.5ft | 7s | | | 20 25 mph | | Sunny | 48°f | 95% |
| | 9am | 1ft | | | 0.6ft | 9s | 285.33° | 0.2ft | 16s | | 7ft | 7s | | 18 21 mph | | Sunny | 54°f | 95% |
| | Noon | 1ft | | | 0.6ft | 9s | 284.61° | 6.5ft | 7s | | 0.2ft | 15s | | 18 19 mph | | Sunny | 59°f | 95% |
| | 3pm | Flat | | | 0.5ft | 9s | 281.09° | 0.2ft | 16s | | 7ft | 7s | | 24 27 mph | | Sunny | 61°f | 95% |
| | 6pm | Flat | | | 0.2ft | 15s | 207.4° | 7.5ft | 7s | | | 26 30 mph | | Sunny | 59°f | 68% |
| | 9pm | Flat | | | 0.2ft | 15s | 207.44° | 7.5ft | 7s | | | 23 29 mph | | Clear | 57°f | 68% |
| 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 | 207.63° | 7ft | 7s | | | 21 26 mph | | Clear | 55°f | 77% |
| | 3am | Flat | | | 0.5ft | 9s | 284.9° | 5.5ft | 6s | | 0.6ft | 12s | | 19 24 mph | | Clear | 54°f | 77% |
| Sun 05/26 | 6am | Flat | | | 0.5ft | 8s | 285.32° | 4.5ft | 6s | | 0.9ft | 12s | | 18 24 mph | | Sunny | 54°f | 85% |
| | 9am | Flat | | | 0.5ft | 8s | 285.04° | 3.5ft | 5s | | 1.1ft | 11s | | 15 19 mph | | Fair | 57°f | 85% |
| | Noon | Flat | | | 0.5ft | 8s | 285.89° | 3.5ft | 5s | | 1ft | 11s | | 18 19 mph | | Fair | 59°f | 75% |
| | 3pm | Flat | | | 0.5ft | 8s | 287.36° | 4ft | 5s | | 0.9ft | 11s | | 21 23 mph | | Fair | 59°f | 75% |
| | 6pm | Flat | | | 0.6ft | 8s | 293.49° | 0.2ft | 14s | | 4.5ft | 5s | | 21 24 mph | | Cloudy | 57°f | 55% |
| | 9pm | Flat | | | 0.5ft | 8s | 284.68° | 5ft | 6s | | 0.8ft | 11s | | 19 22 mph | | Overcast | 55°f | 55% |
| 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 | |
| Mon 05/27 | 12am | Flat | | | 0.3ft | 12s | 279.38° | 4.5ft | 7s | | 0.8ft | 9s | | 15 19 mph | | Overcast | 55°f | 55% |
| | 3am | 1ft | | | 0.4ft | 12s | 279.28° | 4.5ft | 7s | | | 14 17 mph | | Cloudy | 54°f | 55% |
| Mon 05/27 | 6am | Flat | | | 4ft | 7s | 329.86° | 0.9ft | 9s | | | 14 18 mph | | Fair | 52°f | 24% |
| | 9am | Flat | | | 3.5ft | 7s | 328.18° | 0.8ft | 9s | | | 14 18 mph | | Sunny | 55°f | 24% |
| | Noon | 1ft | | | 0.5ft | 11s | 280.18° | 3.5ft | 7s | | | 17 19 mph | | Fair | 57°f | 17% |
| | 3pm | 1ft | | | 3.5ft | 7s | 312.84° | 0.6ft | 11s | | | 21 23 mph | | Sunny | 57°f | 17% |
| | 6pm | 1-2ft | | | 4ft | 7s | 296.48° | 0.6ft | 10s | | 0.8ft | 11s | | 20 22 mph | | Sunny | 57°f | 15% |
| | 9pm | 2-3ft | | | 4.5ft | 7s | 295.39° | 0.7ft | 10s | | 0.9ft | 10s | | 17 21 mph | | Clear | 57°f | 15% |
| 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 | | | 5ft | 7s | 303.73° | 0.9ft | 10s | | 1.3ft | 10s | | 13 15 mph | | Clear | 55°f | 16% |
| | 3am | 1-2ft | | | 5ft | 8s | 312.1° | 1.1ft | 10s | | 0.8ft | 18s | | 13 15 mph | | Clear | 54°f | 16% |
| Tue 05/28 | 6am | 1-2ft | | | 5.5ft | 9s | 315.55° | 3ft | 16s | | | 10 12 mph | | Sunny | 52°f | 13% |
| | 9am | 1-2ft | | | 5.5ft | 9s | 313.51° | 6.5ft | 15s | | | 11 14 mph | | Sunny | 55°f | 13% |
| | Noon | 1ft | | | 11ft | 14s | 325.85° | | | 15 17 mph | | Sunny | 57°f | 6% |
| | 3pm | 1ft | | | 12ft | 14s | 326.17° | | | 17 20 mph | | Sunny | 57°f | 6% |
| | 6pm | 1-2ft | | | 12.5ft | 14s | 325.9° | | | 17 20 mph | | Sunny | 57°f | 7% |
| | 9pm | 1-2ft | | | 12.5ft | 14s | 325.86° | | | 18 21 mph | | Mostly Clear | 57°f | 7% |
| 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 | |
| Extended Surf Forecast for Viana do Castelo Area |
| Wed 05/29 | 12am | 1ft | | | 0.5ft | 11s | 207.02° | 5ft | 8s | | 0.3ft | 16s | | 11 14 mph | | Light Showers | 57°f | 17% |
| | 3am | 1ft | | | 5.5ft | 8s | 321.04° | 0.3ft | 16s | | 0.4ft | 11s | | 11 14 mph | | Light Showers | 55°f | 17% |
| Wed 05/29 | 6am | 1ft | | | 6ft | 8s | 321.61° | 0.4ft | 12s | | 0.3ft | 16s | | 10 13 mph | | Brief Showers | 55°f | 15% |
| | 9am | 1ft | | | 0.4ft | 12s | 206.45° | 0.3ft | 16s | | 6ft | 8s | | 9 11 mph | | Brief Showers | 57°f | 15% |
| | Noon | 1ft | | | 0.4ft | 12s | 206.45° | 0.3ft | 16s | | 6.5ft | 9s | | 14 16 mph | | Brief Showers | 57°f | 19% |
| | 3pm | 1ft | | | 0.4ft | 12s | 205.87° | 0.3ft | 15s | | 7ft | 9s | | 19 21 mph | | Brief Showers | 59°f | 19% |
| | 6pm | 1ft | | | 0.4ft | 12s | 205.87° | 0.3ft | 15s | | 8ft | 9s | | 19 21 mph | | Brief Showers | 59°f | 24% |
| | 9pm | 1ft | | | 0.4ft | 12s | 205.87° | 0.3ft | 15s | | 8.5ft | 9s | | 20 22 mph | | Brief Showers | 57°f | 24% |
| Low | 12:37AM | 2.1ft | | High | 6:57AM | 10.2ft | | Low | 12:54PM | 2.9ft | | High | 7:17PM | 10.7ft | | First Light | 5:29AM | | Sunrise | 6:02AM | | Sunset | 9:02PM | | Last Light | 9:36PM | |
| Thu 05/30 | 12am | 1ft | | | 0.4ft | 15s | 204.73° | 0.4ft | 12s | | 8ft | 9s | | 16 19 mph | | Mostly Clear | 57°f | 10% |
| | 3am | 1ft | | | 0.4ft | 15s | 204.73° | 0.3ft | 12s | | 7.5ft | 9s | | 16 19 mph | | Mostly Clear | 57°f | 10% |
| Thu 05/30 | 6am | 1ft | | | 0.4ft | 15s | 204.73° | 6.5ft | 9s | | | 16 19 mph | | Fair | 57°f | 7% |
| | 9am | 1ft | | | 0.4ft | 15s | 204.73° | 6ft | 9s | | | 15 15 mph | | Brief Showers Possible | 57°f | 7% |
| | Noon | 1ft | | | 0.4ft | 14s | 204.73° | 0.2ft | 18s | | 5.5ft | 9s | | 15 15 mph | | Brief Showers Possible | 57°f | 13% |
| | 3pm | 1ft | | | 0.3ft | 14s | 203.58° | 0.2ft | 11s | | 5.5ft | 8s | | 15 15 mph | | Brief Showers Possible | 57°f | 13% |
| | 6pm | 1ft | | | 0.4ft | 14s | 204.16° | 0.2ft | 11s | | 6ft | 8s | | 15 15 mph | | Brief Showers Possible | 57°f | 14% |
| | 9pm | 1ft | | | 0.4ft | 14s | 204.16° | 0.2ft | 11s | | 6.5ft | 8s | | 16 19 mph | | Mostly Clear | 57°f | 14% |
| Low | 1:34AM | 2.8ft | | High | 7:52AM | 9.6ft | | Low | 1:52PM | 3.6ft | | High | 8:13PM | 10.1ft | | First Light | 5:28AM | | Sunrise | 6:02AM | | Sunset | 9:03PM | | Last Light | 9:37PM | |
| Fri 05/31 | 12am | 1ft | | | 0.4ft | 14s | 204.73° | 0.3ft | 15s | | 6.5ft | 8s | | 14 19 mph | | Clear | 57°f | 14% |
| | 3am | 1ft | | | 0.5ft | 12s | 284.94° | 0.5ft | 15s | | 6ft | 8s | | 14 19 mph | | Clear | 57°f | 14% |
| Fri 05/31 | 6am | 1ft | | | 0.8ft | 12s | 285.52° | 0.7ft | 14s | | 5ft | 8s | | 14 19 mph | | Sunny | 57°f | N/A |
| | 9am | 1ft | | | 1ft | 11s | 290.1° | 0.9ft | 13s | | 5ft | 8s | | 16 18 mph | | Fair | 55°f | N/A |
| | Noon | 1ft | | | 0.8ft | 11s | 283.8° | 1.3ft | 12s | | 5ft | 7s | | 16 18 mph | | Fair | 55°f | N/A |
| | 3pm | 1ft | | | 1ft | 11s | 288.38° | 1.5ft | 12s | | 5ft | 7s | | 16 18 mph | | Fair | 55°f | N/A |
| | 6pm | 1ft | | | 0.8ft | 11s | 282.65° | 2ft | 11s | | 6ft | 7s | | 16 18 mph | | Fair | 55°f | N/A |
| | 9pm | 1ft | | | 1.2ft | 11s | 288.38° | 1.9ft | 11s | | 6.5ft | 7s | | 14 19 mph | | Clear | 57°f | N/A |
| Low | 2:40AM | 3.4ft | | High | 8:52AM | 9.1ft | | Low | 3:00PM | 4.2ft | | High | 9:15PM | 9.5ft | | First Light | 5:28AM | | Sunrise | 6:01AM | | Sunset | 9:04PM | | Last Light | 9:37PM | |
| Sat 06/01 | 12am | 1ft | | | 0.3ft | 13s | 204.16° | 1.6ft | 11s | | 6.5ft | 7s | | 23 28 mph | | Clear | 54°f | N/A |