| Mon 05/20 | 12am | Flat | | | 0.2ft | 4s | 244.27° | 0.7ft | 3s | | | 3 5 mph | | Clear | 48°f | 100% |
| | 3am | Flat | | | 0.2ft | 4s | 242.2° | 0.7ft | 2s | | | 3 5 mph | | Mostly Clear | 48°f | 100% |
| Mon 05/20 | 6am | Flat | | | 0.2ft | 4s | 239.18° | 0.9ft | 2s | | | 4 6 mph | | Fog | 52°f | 100% |
| | 9am | Flat | | | 0.2ft | 4s | 237.31° | 1.4ft | 3s | | | 5 8 mph | | Drizzle | 54°f | 100% |
| | Noon | Flat | | | 0.2ft | 4s | 236.73° | 1.8ft | 3s | | | 5 8 mph | | Drizzle | 55°f | 100% |
| | 3pm | Flat | | | 0.2ft | 4s | 236.52° | 1.9ft | 4s | | | 7 12 mph | | Cloudy | 63°f | 100% |
| | 6pm | Flat | | | 0.3ft | 4s | 238.98° | 1.9ft | 4s | | | 7 12 mph | | Fair | 61°f | 100% |
| | 9pm | Flat | | | 0.2ft | 4s | 240.08° | 2ft | 4s | | | 5 8 mph | | Mostly Clear | 50°f | 100% |
| High | 4:06AM | 12.5ft | | Low | 11:53AM | 4.9ft | | High | 4:54PM | 12.3ft | | First Light | 4:23AM | | Sunrise | 5:08AM | | Sunset | 9:17PM | | Last Light | 10:02PM | |
| Tue 05/21 | 12am | Flat | | | 0.2ft | 4s | 239.36° | 2ft | 4s | | | 4 6 mph | | Fog | 48°f | 100% |
| | 3am | Flat | | | 2.5ft | 4s | 335.28° | | | 5 9 mph | | Fog | 48°f | 100% |
| Tue 05/21 | 6am | Flat | | | 3ft | 5s | 332.79° | | | 5 9 mph | | Fog | 50°f | 100% |
| | 9am | Flat | | | 3.5ft | 5s | 332.29° | | | 6 11 mph | | Drizzle | 50°f | 100% |
| | Noon | Flat | | | 3.5ft | 5s | 331.62° | | | 8 14 mph | | Drizzle | 55°f | 85% |
| | 3pm | Flat | | | 3ft | 5s | 331.35° | | | 9 15 mph | | Fair | 57°f | 85% |
| | 6pm | Flat | | | 2.5ft | 5s | 332.48° | | | 8 16 mph | | Fair | 55°f | 100% |
| | 9pm | Flat | | | 1.9ft | 5s | 335.5° | | | 5 12 mph | | Clear | 45°f | 100% |
| Low | 12:13AM | 5.2ft | | High | 5:16AM | 13.2ft | | Low | 12:49PM | 4.2ft | | High | 5:56PM | 13.4ft | | First Light | 4:21AM | | Sunrise | 5:07AM | | Sunset | 9:18PM | | Last Light | 10:04PM | |
| Wed 05/22 | 12am | Flat | | | 1.5ft | 5s | 340.11° | | | 6 12 mph | | Clear | 45°f | 100% |
| | 3am | Flat | | | 1.6ft | 3s | 341.25° | | | 5 9 mph | | Fog | 45°f | 100% |
| Wed 05/22 | 6am | Flat | | | 2ft | 4s | 335.99° | | | 6 11 mph | | Fair | 48°f | 100% |
| | 9am | Flat | | | 2ft | 4s | 331.72° | | | 6 13 mph | | Drizzle | 50°f | 100% |
| | Noon | Flat | | | 1.8ft | 4s | 326.93° | | | 10 16 mph | | Light Showers | 54°f | 100% |
| | 3pm | Flat | | | 1.7ft | 4s | 320.81° | | | 12 18 mph | | Light Showers | 54°f | 100% |
| | 6pm | Flat | | | 2ft | 4s | 327.34° | | | 12 23 mph | | Brief Showers | 52°f | 100% |
| | 9pm | Flat | | | 4ft | 5s | 333.05° | | | 9 23 mph | | Mostly Clear | 45°f | 100% |
| Low | 1:08AM | 4.5ft | | High | 6:15AM | 14.3ft | | Low | 1:41PM | 3.6ft | | High | 6:48PM | 14.7ft | | First Light | 4:19AM | | Sunrise | 5:05AM | | Sunset | 9:20PM | | Last Light | 10:06PM | |
| Thu 05/23 | 12am | Flat | | | 5.5ft | 6s | 329.46° | | | 9 22 mph | | Clear | 43°f | 90% |
| | 3am | Flat | | | 5.5ft | 6s | 327.37° | | | 10 23 mph | | Mostly Clear | 43°f | 90% |
| Thu 05/23 | 6am | Flat | | | 5.5ft | 6s | 325.04° | | | 15 30 mph | | Fair | 45°f | 75% |
| | 9am | 1ft | | | 5.5ft | 6s | 321.49° | | | 17 31 mph | | Light Showers | 46°f | 75% |
| | Noon | 1ft | | | 5.5ft | 6s | 317.97° | | | 20 30 mph | | Brief Showers | 50°f | 70% |
| | 3pm | 1ft | | | 6ft | 6s | 316.92° | | | 19 29 mph | | Brief Showers Possible | 50°f | 70% |
| | 6pm | 1ft | | | 6.5ft | 6s | 323.78° | | | 16 27 mph | | Brief Showers Possible | 48°f | 65% |
| | 9pm | Flat | | | 7ft | 7s | 328.18° | | | 12 28 mph | | Clear | 43°f | 65% |
| Low | 2:01AM | 3.8ft | | High | 7:07AM | 15.4ft | | Low | 2:32PM | 3.1ft | | High | 7:36PM | 15.8ft | | First Light | 4:18AM | | Sunrise | 5:04AM | | Sunset | 9:21PM | | Last Light | 10:08PM | |
| Fri 05/24 | 12am | Flat | | | 7ft | 7s | 328.37° | | | 12 26 mph | | Mostly Clear | 45°f | 70% |
| | 3am | Flat | | | 7ft | 7s | 326.79° | | | 12 28 mph | | Mostly Clear | 43°f | 70% |
| Fri 05/24 | 6am | Flat | | | 7ft | 7s | 326.26° | | | 14 27 mph | | Fair | 45°f | 62% |
| | 9am | Flat | | | 6ft | 7s | 326.43° | | | 15 22 mph | | Fair | 48°f | 62% |
| | Noon | Flat | | | 5ft | 7s | 324.88° | | | 13 18 mph | | Fair | 52°f | 32% |
| | 3pm | Flat | | | 3.5ft | 6s | 321.73° | | | 11 15 mph | | Sunny | 52°f | 32% |
| | 6pm | Flat | | | 2.5ft | 6s | 319.53° | | | 9 15 mph | | Sunny | 52°f | 32% |
| | 9pm | Flat | | | 1.7ft | 6s | 319.78° | | | 4 5 mph | | Clear | 45°f | 32% |
| Low | 2:55AM | 3.1ft | | High | 7:57AM | 16.2ft | | Low | 3:24PM | 2.8ft | | High | 8:24PM | 16.7ft | | First Light | 4:16AM | | Sunrise | 5:03AM | | Sunset | 9:23PM | | Last Light | 10:09PM | |
| Sat 05/25 | 12am | Flat | | | 1.2ft | 6s | 322.17° | | | 3 4 mph | | Clear | 45°f | 56% |
| | 3am | Flat | | | 1ft | 6s | 318.61° | | | 3 4 mph | | Mostly Clear | 45°f | 56% |
| Sat 05/25 | 6am | Flat | | | 0.9ft | 3s | 282.28° | 0.6ft | 6s | | | 4 6 mph | | Fog | 46°f | 36% |
| | 9am | 1ft | | | 1.1ft | 3s | 273.79° | 0.2ft | 6s | | 0.5ft | 5s | | 6 9 mph | | Light Showers | 52°f | 36% |
| | Noon | 1ft | | | 1.2ft | 3s | 262.09° | 0.4ft | 5s | | | 8 12 mph | | Light Showers | 54°f | 53% |
| | 3pm | 1ft | | | 1.7ft | 3s | 250.57° | 0.3ft | 5s | | | 10 15 mph | | Light Showers | 54°f | 53% |
| | 6pm | 1-2ft | | | 2ft | 4s | 245.75° | 0.3ft | 5s | | | 9 19 mph | | Drizzle | 52°f | 48% |
| | 9pm | 1-2ft | | | 2.5ft | 4s | 253.38° | 0.2ft | 5s | | | 8 18 mph | | Drizzle | 50°f | 48% |
| Low | 3:48AM | 2.6ft | | High | 8:46AM | 16.8ft | | Low | 4:15PM | 2.6ft | | High | 9:13PM | 17.3ft | | First Light | 4:15AM | | Sunrise | 5:02AM | | Sunset | 9:24PM | | Last Light | 10:11PM | |
| Sun 05/26 | 12am | 1-2ft | | | 3ft | 4s | 275.73° | | | 6 13 mph | | Rain | 50°f | 30% |
| | 3am | 1-2ft | | | 3.5ft | 5s | 296.36° | | | 4 9 mph | | Fog | 48°f | 30% |
| Sun 05/26 | 6am | 1-2ft | | | 3.5ft | 5s | 302.06° | | | 4 7 mph | | Fog | 46°f | 46% |
| | 9am | 1ft | | | 1.1ft | 5s | 240.15° | 3ft | 5s | | | 7 11 mph | | Light Showers | 48°f | 46% |
| | Noon | 1ft | | | 0.9ft | 6s | 240.34° | 2.5ft | 5s | | | 10 14 mph | | Brief Showers | 52°f | 48% |
| | 3pm | 1ft | | | 2.5ft | 5s | 290.29° | | | 12 18 mph | | Fair | 54°f | 48% |
| | 6pm | 1-2ft | | | 1.9ft | 4s | 262.92° | 1ft | 5s | | | 10 17 mph | | Fair | 52°f | 30% |
| | 9pm | 1-2ft | | | 2ft | 4s | 242.39° | 0.7ft | 5s | | | 5 11 mph | | Clear | 46°f | 30% |
| Low | 4:39AM | 2.2ft | | High | 9:36AM | 16.9ft | | Low | 5:03PM | 2.5ft | | High | 10:02PM | 17.4ft | | First Light | 4:13AM | | Sunrise | 5:01AM | | Sunset | 9:25PM | | Last Light | 10:13PM | |
| Extended Surf Forecast for Barmouth Area |
| Mon 05/27 | 12am | Flat | | | 1.1ft | 4s | 329.63° | | | 10 25 mph | | Brief Showers | 46°f | 15% |
| | 3am | Flat | | | 0.9ft | 4s | 329.63° | | | 12 32 mph | | Rain | 48°f | 15% |
| Mon 05/27 | 6am | Flat | | | 0.7ft | 4s | 332.5° | | | 11 24 mph | | Rain | 50°f | 16% |
| | 9am | Flat | | | 0.5ft | 4s | 338.8° | | | 15 23 mph | | Brief Showers | 52°f | 16% |
| | Noon | Flat | | | 0.4ft | 4s | 339.37° | | | 18 25 mph | | Brief Showers | 54°f | 19% |
| | 3pm | Flat | | | 0.3ft | 4s | 339.37° | | | 18 28 mph | | Brief Showers | 54°f | 19% |
| | 6pm | Flat | | | 0.2ft | 6s | 241.97° | 0.3ft | 4s | | | 15 28 mph | | Showers | 52°f | 14% |
| | 9pm | Flat | | | 0.3ft | 5s | 241.97° | 0.2ft | 2s | | 0.2ft | 4s | | 26 31 mph | | Drizzle | 50°f | 14% |
| Low | 5:28AM | 1.9ft | | High | 10:27AM | 16.7ft | | Low | 5:50PM | 2.5ft | | High | 10:52PM | 17.3ft | | First Light | 4:12AM | | Sunrise | 4:59AM | | Sunset | 9:27PM | | Last Light | 10:14PM | |
| Tue 05/28 | 12am | Flat | | | 0.5ft | 3s | 238.53° | 0.3ft | 5s | | 1.1ft | 2s | | 27 37 mph | | Brief Showers | 50°f | 22% |
| | 3am | 1ft | | | 0.7ft | 4s | 236.24° | 1ft | 3s | | | 27 37 mph | | Brief Showers | 50°f | 22% |
| Tue 05/28 | 6am | 1ft | | | 0.9ft | 4s | 229.37° | 0.6ft | 3s | | | 27 37 mph | | Brief Showers | 50°f | 14% |
| | 9am | 2-3ft | | | 1.7ft | 9s | 228.22° | | | 27 37 mph | | Brief Showers | 50°f | 14% |
| | Noon | 2-3ft | | | 2.5ft | 9s | 235.67° | | | 27 37 mph | | Brief Showers | 50°f | 17% |
| | 3pm | 2-3ft | | | 2.5ft | 9s | 237.96° | | | 25 33 mph | | Brief Showers | 52°f | 17% |
| | 6pm | 2-3ft | | | 2.5ft | 9s | 237.96° | | | 25 33 mph | | Brief Showers | 52°f | 5% |
| | 9pm | 2-3ft | | | 2.5ft | 8s | 237.39° | | | 25 33 mph | | Brief Showers | 52°f | 5% |
| Low | 6:15AM | 1.9ft | | High | 11:17AM | 16.2ft | | Low | 6:36PM | 2.8ft | | High | 11:42PM | 16.8ft | | First Light | 4:11AM | | Sunrise | 4:58AM | | Sunset | 9:28PM | | Last Light | 10:16PM | |
| Wed 05/29 | 12am | 2-3ft | | | 2ft | 8s | 236.81° | 0.3ft | 2s | | | 18 25 mph | | Brief Showers | 48°f | 8% |
| | 3am | 2-3ft | | | 2ft | 8s | 239.11° | | | 18 25 mph | | Brief Showers | 48°f | 8% |
| Wed 05/29 | 6am | 1-2ft | | | 1.7ft | 7s | 241.97° | 0.9ft | 8s | | | 18 25 mph | | Brief Showers | 48°f | 10% |
| | 9am | 1-2ft | | | 1.7ft | 7s | 243.12° | 0.8ft | 8s | | 0.4ft | 3s | | 18 25 mph | | Brief Showers | 48°f | 10% |
| | Noon | 1-2ft | | | 1.9ft | 6s | 244.26° | 0.2ft | 12s | | 0.5ft | 3s | | 18 25 mph | | Brief Showers | 48°f | 12% |
| | 3pm | 1-2ft | | | 1.8ft | 6s | 244.84° | 0.6ft | 3s | | | 11 15 mph | | Fair | 54°f | 12% |
| | 6pm | 1-2ft | | | 1.6ft | 6s | 244.26° | 0.6ft | 3s | | | 11 15 mph | | Fair | 54°f | 8% |
| | 9pm | 1-2ft | | | 1.4ft | 6s | 249.99° | 0.7ft | 8s | | | 11 15 mph | | Mostly Clear | 54°f | 8% |
| Low | 7:04AM | 2.1ft | | High | 12:08PM | 15.4ft | | Low | 7:24PM | 3.2ft | | First Light | 4:09AM | | Sunrise | 4:57AM | | Sunset | 9:29PM | | Last Light | 10:17PM | |
| Thu 05/30 | 12am | 1-2ft | | | 1.3ft | 6s | 237.39° | 0.4ft | 3s | | | 17 26 mph | | Brief Showers | 52°f | N/A |