| Sun 05/19 | 12am | 2-3ft | | | 3ft | 8s | 343.58° | 1.2ft | 9s | | | 7 14 mph | | Drizzle | 52°f | 100% |
| | 3am | 2-3ft | | | 2.5ft | 7s | 343.85° | 1.1ft | 9s | | | 4 6 mph | | Fog | 50°f | 100% |
| Sun 05/19 | 6am | 1-2ft | | | 1.9ft | 7s | 334.53° | 1.1ft | 9s | | 0.7ft | 3s | | 4 5 mph | | Drizzle | 50°f | 100% |
| | 9am | 1-2ft | | | 1.5ft | 7s | 333.1° | 1.2ft | 9s | | 0.4ft | 3s | | 4 6 mph | | Overcast | 52°f | 100% |
| | Noon | 1-2ft | | | 1.2ft | 11s | 285.94° | 1.2ft | 6s | | | 2 4 mph | | Drizzle | 55°f | 100% |
| | 3pm | 1-2ft | | | 1.2ft | 11s | 285.54° | 1ft | 6s | | | 1 3 mph | | Fair | 61°f | 100% |
| | 6pm | 1-2ft | | | 1.3ft | 10s | 284.97° | 0.9ft | 6s | | | 5 7 mph | | Fair | 61°f | 100% |
| | 9pm | 1-2ft | | | 1.3ft | 10s | 284.48° | 1ft | 6s | | | 6 9 mph | | Mostly Clear | 52°f | 100% |
| High | 3:18AM | 5.2ft | | Low | 10:03AM | 2.5ft | | High | 3:46PM | 4.9ft | | Low | 8:57PM | 2.9ft | | First Light | 4:16AM | | Sunrise | 5:07AM | | Sunset | 9:38PM | | Last Light | 10:29PM | |
| Mon 05/20 | 12am | 1-2ft | | | 1.3ft | 10s | 284.4° | 1.1ft | 6s | | | 5 8 mph | | Mostly Clear | 48°f | 100% |
| | 3am | 1-2ft | | | 1.3ft | 10s | 284.41° | 1.3ft | 3s | | | 6 9 mph | | Fog | 46°f | 100% |
| Mon 05/20 | 6am | 1-2ft | | | 1.4ft | 10s | 287.99° | 1.3ft | 3s | | | 7 13 mph | | Mist | 50°f | 100% |
| | 9am | 1-2ft | | | 1.4ft | 11s | 287.35° | 1.7ft | 3s | | | 10 16 mph | | Cloudy | 57°f | 100% |
| | Noon | 1-2ft | | | 1.4ft | 11s | 286.41° | 2ft | 4s | | 0.3ft | 16s | | 12 18 mph | | Cloudy | 57°f | 100% |
| | 3pm | 1-2ft | | | 3ft | 4s | 320.16° | 1.5ft | 10s | | 0.6ft | 15s | | 14 20 mph | | Fair | 57°f | 100% |
| | 6pm | 2-3ft | | | 3.5ft | 5s | 321.96° | 1.5ft | 10s | | 1ft | 14s | | 14 24 mph | | Fair | 54°f | 100% |
| | 9pm | 2-4ft | | | 4.5ft | 5s | 324.82° | 1.4ft | 14s | | 1.4ft | 10s | | 13 31 mph | | Cloudy | 48°f | 100% |
| High | 4:02AM | 5.4ft | | Low | 10:45AM | 2.3ft | | High | 4:33PM | 5.1ft | | Low | 9:53PM | 2.7ft | | First Light | 4:14AM | | Sunrise | 5:05AM | | Sunset | 9:40PM | | Last Light | 10:31PM | |
| Tue 05/21 | 12am | 3-4ft | | | 5ft | 6s | 327.62° | 1.8ft | 13s | | 1.3ft | 10s | | 14 33 mph | | Cloudy | 48°f | 80% |
| | 3am | 3-4ft | | | 5ft | 6s | 331.5° | 2ft | 13s | | 1.1ft | 9s | | 15 31 mph | | Overcast | 48°f | 80% |
| Tue 05/21 | 6am | 3-4ft | | | 4.5ft | 6s | 333.91° | 2.5ft | 13s | | | 15 28 mph | | Cloudy | 50°f | 100% |
| | 9am | 3-4ft | | | 2.5ft | 13s | 296.81° | 4ft | 6s | | | 17 26 mph | | Fair | 52°f | 100% |
| | Noon | 2-4ft | | | 2.5ft | 12s | 296.69° | 3.5ft | 5s | | | 17 24 mph | | Fair | 54°f | 100% |
| | 3pm | 2-4ft | | | 2.5ft | 12s | 296.51° | 3ft | 5s | | | 17 24 mph | | Sunny | 54°f | 100% |
| | 6pm | 2-4ft | | | 2.5ft | 12s | 296.36° | 2.5ft | 5s | | | 15 23 mph | | Sunny | 52°f | 100% |
| | 9pm | 2-4ft | | | 2.5ft | 12s | 296.31° | 1.9ft | 4s | | | 9 21 mph | | Clear | 46°f | 100% |
| High | 4:39AM | 5.7ft | | Low | 11:19AM | 2ft | | High | 5:13PM | 5.5ft | | Low | 10:38PM | 2.3ft | | First Light | 4:12AM | | Sunrise | 5:04AM | | Sunset | 9:42PM | | Last Light | 10:33PM | |
| Wed 05/22 | 12am | 2-4ft | | | 2.5ft | 11s | 296.44° | 1.4ft | 3s | | 0.9ft | 4s | | 8 18 mph | | Clear | 45°f | 100% |
| | 3am | 2-3ft | | | 2.5ft | 11s | 295.75° | 2.5ft | 4s | | | 7 13 mph | | Clear | 43°f | 100% |
| Wed 05/22 | 6am | 3-5ft | | | 4ft | 11s | 297.58° | | | 7 12 mph | | Sunny | 46°f | 100% |
| | 9am | 2-4ft | | | 4.5ft | 5s | 304.47° | | | 7 11 mph | | Cloudy | 52°f | 100% |
| | Noon | 2-4ft | | | 5ft | 5s | 308.61° | | | 10 15 mph | | Brief Showers | 54°f | 100% |
| | 3pm | 3-4ft | | | 5ft | 6s | 310.45° | | | 13 18 mph | | Brief Showers | 55°f | 100% |
| | 6pm | 3-4ft | | | 5ft | 6s | 311.3° | | | 14 20 mph | | Brief Showers | 54°f | 71% |
| | 9pm | 2-4ft | | | 5ft | 5s | 314.63° | | | 10 23 mph | | Mostly Clear | 46°f | 71% |
| High | 5:16AM | 6ft | | Low | 11:45AM | 1.8ft | | High | 5:49PM | 6ft | | Low | 11:21PM | 1.8ft | | First Light | 4:11AM | | Sunrise | 5:02AM | | Sunset | 9:44PM | | Last Light | 10:35PM | |
| Thu 05/23 | 12am | 3-4ft | | | 5ft | 6s | 316.05° | | | 10 23 mph | | Clear | 45°f | 67% |
| | 3am | 3-4ft | | | 5ft | 6s | 323.05° | 1.2ft | 10s | | | 11 21 mph | | Mostly Clear | 45°f | 67% |
| Thu 05/23 | 6am | 3-5ft | | | 5.5ft | 6s | 325.26° | | | 12 21 mph | | Cloudy | 46°f | 70% |
| | 9am | 3-5ft | | | 5.5ft | 6s | 325.98° | | | 15 21 mph | | Cloudy | 50°f | 70% |
| | Noon | 3-5ft | | | 5.5ft | 6s | 325.95° | | | 17 22 mph | | Fair | 52°f | 48% |
| | 3pm | 3-5ft | | | 6ft | 6s | 327.95° | | | 18 24 mph | | Sunny | 50°f | 48% |
| | 6pm | 3-5ft | | | 6.5ft | 6s | 332.15° | | | 17 25 mph | | Sunny | 48°f | 45% |
| | 9pm | 3-5ft | | | 6.5ft | 6s | 335.56° | | | 12 24 mph | | Clear | 45°f | 45% |
| High | 5:54AM | 6.4ft | | Low | 12:13PM | 1.4ft | | High | 6:25PM | 6.6ft | | First Light | 4:09AM | | Sunrise | 5:01AM | | Sunset | 9:45PM | | Last Light | 10:37PM | |
| Fri 05/24 | 12am | 3-5ft | | | 6ft | 6s | 337.37° | | | 10 23 mph | | Clear | 43°f | 32% |
| | 3am | 3-4ft | | | 5ft | 6s | 337.09° | | | 10 23 mph | | Mostly Clear | 43°f | 32% |
| Fri 05/24 | 6am | 3-4ft | | | 4.5ft | 6s | 336.73° | 0.9ft | 9s | | | 12 23 mph | | Cloudy | 46°f | 38% |
| | 9am | 2-3ft | | | 4ft | 5s | 334.76° | 1ft | 9s | | | 14 20 mph | | Fair | 50°f | 38% |
| | Noon | 2-3ft | | | 4ft | 5s | 332.99° | 1ft | 9s | | | 15 20 mph | | Fair | 54°f | 36% |
| | 3pm | 2-3ft | | | 4ft | 5s | 335.52° | 1ft | 9s | | 0.2ft | 13s | | 14 21 mph | | Sunny | 55°f | 36% |
| | 6pm | 2-3ft | | | 4ft | 5s | 339.93° | 1ft | 9s | | | 12 21 mph | | Fair | 52°f | 46% |
| | 9pm | 2-3ft | | | 4ft | 5s | 347.94° | 1.1ft | 9s | | 0.4ft | 8s | | 8 20 mph | | Mist | 48°f | 46% |
| Low | 12:04AM | 1.4ft | | High | 6:34AM | 6.7ft | | Low | 12:46PM | 1.1ft | | High | 7:03PM | 7.1ft | | First Light | 4:07AM | | Sunrise | 4:59AM | | Sunset | 9:47PM | | Last Light | 10:39PM | |
| Sat 05/25 | 12am | 2-3ft | | | 4.5ft | 5s | 352.76° | 0.9ft | 9s | | 0.5ft | 11s | | 9 19 mph | | Cloudy | 50°f | 41% |
| | 3am | 2-3ft | | | 4.5ft | 5s | 353.83° | 1ft | 11s | | | 8 19 mph | | Mist | 48°f | 41% |
| Sat 05/25 | 6am | 2-4ft | | | 5ft | 6s | 353.67° | 1ft | 11s | | | 9 17 mph | | Overcast | 48°f | 60% |
| | 9am | 2-4ft | | | 4.5ft | 6s | 352.5° | 1ft | 10s | | | 9 13 mph | | Cloudy | 52°f | 60% |
| | Noon | 2-3ft | | | 4ft | 6s | 349.1° | 1ft | 10s | | | 9 10 mph | | Fair | 55°f | 68% |
| | 3pm | 2-3ft | | | 3.5ft | 6s | 348.44° | 0.9ft | 10s | | | 9 10 mph | | Fair | 57°f | 68% |
| | 6pm | 2-3ft | | | 3ft | 6s | 350.09° | 0.9ft | 9s | | | 9 11 mph | | Fair | 55°f | 55% |
| | 9pm | 2ft | | | 2.5ft | 6s | 355.61° | 0.8ft | 9s | | | 6 9 mph | | Mostly Clear | 46°f | 55% |
| Low | 12:49AM | 1ft | | High | 7:16AM | 6.8ft | | Low | 1:23PM | 0.9ft | | High | 7:43PM | 7.4ft | | First Light | 4:05AM | | Sunrise | 4:58AM | | Sunset | 9:48PM | | Last Light | 10:41PM | |
| Extended Surf Forecast for Portrush Area |
| Sun 05/26 | 12am | 2-3ft | | | 2ft | 8s | 287.23° | 1.1ft | 10s | | | 5 7 mph | | Mostly Clear | 43°f | 36% |
| | 3am | 2-3ft | | | 2.5ft | 10s | 289.53° | | | 3 4 mph | | Mostly Clear | 45°f | 36% |
| Sun 05/26 | 6am | 2-3ft | | | 2.5ft | 9s | 289.53° | | | 0 1 mph | | Fair | 48°f | 33% |
| | 9am | 2-3ft | | | 2.5ft | 9s | 289.53° | | | 5 6 mph | | Sunny | 55°f | 33% |
| | Noon | 2-3ft | | | 2ft | 9s | 288.95° | | | 8 9 mph | | Sunny | 59°f | 25% |
| | 3pm | 2-3ft | | | 2ft | 8s | 287.81° | | | 8 9 mph | | Sunny | 61°f | 25% |
| | 6pm | 2ft | | | 2ft | 8s | 286.66° | | | 6 8 mph | | Sunny | 59°f | 39% |
| | 9pm | 2ft | | | 1.9ft | 8s | 286.09° | | | 3 5 mph | | Mostly Clear | 43°f | 39% |
| Low | 1:35AM | 0.9ft | | High | 8:00AM | 6.8ft | | Low | 2:04PM | 0.8ft | | High | 8:26PM | 7.5ft | | First Light | 4:03AM | | Sunrise | 4:57AM | | Sunset | 9:50PM | | Last Light | 10:43PM | |
| Mon 05/27 | 12am | 2ft | | | 1.9ft | 8s | 284.94° | | | 5 6 mph | | Clear | 48°f | 46% |
| | 3am | 2ft | | | 1.9ft | 8s | 284.37° | | | 5 6 mph | | Clear | 48°f | 46% |
| Mon 05/27 | 6am | 2ft | | | 1.9ft | 8s | 284.37° | 1.1ft | 3s | | | 5 6 mph | | Sunny | 48°f | 60% |
| | 9am | 2ft | | | 1.9ft | 8s | 283.22° | 2ft | 4s | | | 5 6 mph | | Sunny | 48°f | 60% |
| | Noon | 2ft | | | 3ft | 4s | 317.6° | 1.8ft | 8s | | | 5 6 mph | | Sunny | 48°f | 59% |
| | 3pm | 2-3ft | | | 3.5ft | 5s | 322.76° | 1.9ft | 8s | | | 7 8 mph | | Brief Showers Possible | 57°f | 59% |
| | 6pm | 2-4ft | | | 4.5ft | 5s | 319.32° | | | 7 8 mph | | Brief Showers Possible | 57°f | 51% |
| | 9pm | 2-3ft | | | 4ft | 5s | 333.64° | 1.9ft | 8s | | | 7 8 mph | | Brief Showers Possible | 57°f | 51% |
| Low | 2:23AM | 1ft | | High | 8:48AM | 6.6ft | | Low | 2:47PM | 1ft | | High | 9:13PM | 7.4ft | | First Light | 4:02AM | | Sunrise | 4:55AM | | Sunset | 9:51PM | | Last Light | 10:45PM | |
| Tue 05/28 | 12am | 2-3ft | | | 3ft | 5s | 337.65° | 1.9ft | 8s | | | 4 5 mph | | Clear | 50°f | 39% |
| | 3am | 1-2ft | | | 2.5ft | 5s | 341.09° | 1.8ft | 8s | | 0.6ft | 10s | | 4 5 mph | | Clear | 50°f | 39% |
| Tue 05/28 | 6am | 2-3ft | | | 2ft | 8s | 295.26° | 0.8ft | 10s | | 1.3ft | 4s | | 4 5 mph | | Sunny | 50°f | 33% |
| | 9am | 2-3ft | | | 2ft | 8s | 304.42° | 0.9ft | 9s | | | 4 5 mph | | Sunny | 50°f | 33% |
| | Noon | 1-2ft | | | 1.5ft | 9s | 319.32° | 1.5ft | 8s | | | 4 5 mph | | Sunny | 50°f | 30% |
| | 3pm | 1-2ft | | | 1.5ft | 9s | 310.15° | 1.3ft | 8s | | | 7 8 mph | | Brief Showers Possible | 57°f | 30% |
| | 6pm | 1-2ft | | | 1.5ft | 8s | 309.58° | 1.3ft | 8s | | | 7 8 mph | | Brief Showers Possible | 57°f | 21% |
| | 9pm | 1-2ft | | | 1.5ft | 8s | 305.57° | 1.3ft | 9s | | | 7 8 mph | | Brief Showers Possible | 57°f | 21% |
| Low | 3:16AM | 1.2ft | | High | 9:38AM | 6.1ft | | Low | 3:34PM | 1.2ft | | High | 10:05PM | 7.2ft | | First Light | 4:00AM | | Sunrise | 4:54AM | | Sunset | 9:53PM | | Last Light | 10:47PM | |
| Wed 05/29 | 12am | 2-3ft | | | 2ft | 8s | 294.68° | 0.7ft | 9s | | 0.7ft | 2s | | 4 5 mph | | Clear | 46°f | N/A |