| Extended Surf Forecast for Cap Saint-Louis Area |
| Tue 05/21 | 12am | 1ft | | | 1ft | 5s | 189.26° | 2ft | 4s | | | 13 16 mph | | Clear | 61°f | N/A |
| | 3am | 1ft | | | 2.5ft | 5s | 263.74° | 0.7ft | 5s | | | 13 14 mph | | Clear | 59°f | N/A |
| Tue 05/21 | 6am | 1ft | | | 0.7ft | 5s | 181.24° | 2.5ft | 5s | | | 11 12 mph | | Sunny | 57°f | N/A |
| | 9am | 1ft | | | 0.7ft | 4s | 184.67° | 2.5ft | 5s | | | 14 15 mph | | Overcast | 57°f | N/A |
| | Noon | 1ft | | | 0.6ft | 5s | 182.38° | 2.5ft | 5s | | | 15 16 mph | | Overcast | 59°f | N/A |
| | 3pm | Flat | | | 0.5ft | 4s | 183.53° | 2.5ft | 5s | | 0.3ft | 5s | | 17 19 mph | | Fair | 63°f | N/A |
| | 6pm | Flat | | | 0.4ft | 4s | 184.67° | 0.4ft | 5s | | 2.5ft | 5s | | 16 19 mph | | Fair | 63°f | N/A |
| | 9pm | Flat | | | 3ft | 5s | 274.63° | 0.4ft | 4s | | | 18 23 mph | | Clear | 61°f | N/A |
| Low | 1:34AM | 1.1ft | | High | 7:55AM | 1ft | | Low | 1:50PM | 1.1ft | | High | 8:16PM | 1.2ft | | First Light | 5:31AM | | Sunrise | 6:05AM | | Sunset | 9:02PM | | Last Light | 9:36PM | |
| Wed 05/22 | 12am | 1ft | | | 3.5ft | 6s | 273.48° | | | 16 20 mph | | Clear | 59°f | N/A |
| | 3am | Flat | | | 3.5ft | 6s | 275.2° | | | 15 17 mph | | Clear | 57°f | N/A |
| Wed 05/22 | 6am | Flat | | | 3.5ft | 6s | 278.07° | | | 14 16 mph | | Sunny | 57°f | N/A |
| | 9am | Flat | | | 3.5ft | 6s | 282.08° | | | 15 19 mph | | Sunny | 63°f | N/A |
| | Noon | Flat | | | 3.5ft | 7s | 287.23° | | | 19 23 mph | | Sunny | 66°f | N/A |
| | 3pm | Flat | | | 5.5ft | 6s | 304.42° | | | 30 33 mph | | Sunny | 66°f | N/A |
| | 6pm | Flat | | | 7.5ft | 6s | 313.02° | | | 39 47 mph | | Sunny | 61°f | N/A |
| | 9pm | Flat | | | 8.5ft | 7s | 319.89° | | | 38 46 mph | | Clear | 57°f | N/A |
| Low | 2:22AM | 0.9ft | | High | 8:51AM | 1.2ft | | Low | 2:38PM | 1ft | | High | 9:09PM | 1.4ft | | First Light | 5:30AM | | Sunrise | 6:04AM | | Sunset | 9:03PM | | Last Light | 9:37PM | |
| Thu 05/23 | 12am | Flat | | | 8ft | 7s | 320.47° | | | 31 38 mph | | Clear | 55°f | N/A |
| | 3am | Flat | | | 8ft | 7s | 317.03° | | | 31 37 mph | | Clear | 52°f | N/A |
| Thu 05/23 | 6am | Flat | | | 8.5ft | 7s | 316.46° | | | 33 45 mph | | Sunny | 54°f | N/A |
| | 9am | Flat | | | 8.5ft | 7s | 312.44° | | | 34 45 mph | | Sunny | 59°f | N/A |
| | Noon | Flat | | | 7.5ft | 7s | 296.97° | 0.9ft | 8s | | | 30 38 mph | | Fair | 64°f | N/A |
| | 3pm | Flat | | | 7.5ft | 7s | 280.93° | 0.4ft | 8s | | | 30 37 mph | | Fair | 64°f | N/A |
| | 6pm | 1-2ft | | | 8ft | 7s | 272.34° | | | 28 36 mph | | Sunny | 63°f | N/A |
| | 9pm | 1-2ft | | | 9ft | 8s | 276.35° | | | 33 41 mph | | Clear | 61°f | N/A |
| Low | 3:07AM | 0.7ft | | High | 9:42AM | 1.3ft | | Low | 3:23PM | 0.8ft | | High | 9:59PM | 1.5ft | | First Light | 5:29AM | | Sunrise | 6:03AM | | Sunset | 9:04PM | | Last Light | 9:38PM | |
| Fri 05/24 | 12am | Flat | | | 9.5ft | 8s | 285.52° | | | 32 39 mph | | Clear | 57°f | N/A |
| | 3am | Flat | | | 8.5ft | 8s | 294.68° | | | 31 40 mph | | Clear | 54°f | N/A |
| Fri 05/24 | 6am | Flat | | | 8.5ft | 7s | 303.85° | | | 32 39 mph | | Sunny | 52°f | N/A |
| | 9am | Flat | | | 7.5ft | 7s | 305° | | | 30 37 mph | | Sunny | 54°f | N/A |
| | Noon | Flat | | | 6.5ft | 7s | 298.69° | 0.2ft | 8s | | | 27 33 mph | | Sunny | 57°f | N/A |
| | 3pm | Flat | | | 6ft | 7s | 291.25° | | | 24 30 mph | | Sunny | 61°f | N/A |
| | 6pm | Flat | | | 6ft | 7s | 283.22° | | | 23 30 mph | | Sunny | 63°f | N/A |
| | 9pm | Flat | | | 7ft | 7s | 281.5° | | | 27 33 mph | | Clear | 59°f | N/A |
| Low | 3:51AM | 0.6ft | | High | 10:31AM | 1.5ft | | Low | 4:07PM | 0.7ft | | High | 10:47PM | 1.7ft | | First Light | 5:29AM | | Sunrise | 6:03AM | | Sunset | 9:05PM | | Last Light | 9:39PM | |
| Sat 05/25 | 12am | 1ft | | | 7.5ft | 7s | 279.79° | | | 29 33 mph | | Clear | 57°f | N/A |
| | 3am | Flat | | | 7ft | 7s | 280.93° | | | 29 34 mph | | Mostly Clear | 55°f | N/A |
| Sat 05/25 | 6am | Flat | | | 6.5ft | 7s | 283.22° | | | 29 33 mph | | Fair | 54°f | N/A |
| | 9am | Flat | | | 5.5ft | 7s | 284.94° | | | 27 31 mph | | Sunny | 55°f | N/A |
| | Noon | Flat | | | 5.5ft | 7s | 282.65° | | | 27 34 mph | | Sunny | 59°f | N/A |
| | 3pm | 1ft | | | 7.5ft | 8s | 279.79° | | | 28 36 mph | | Sunny | 63°f | N/A |
| | 6pm | 1ft | | | 8.5ft | 8s | 280.93° | | | 25 34 mph | | Sunny | 61°f | N/A |
| | 9pm | Flat | | | 9ft | 8s | 286.09° | | | 25 32 mph | | Clear | 57°f | N/A |
| Low | 4:35AM | 0.5ft | | High | 11:20AM | 1.6ft | | Low | 4:52PM | 0.7ft | | High | 11:36PM | 1.7ft | | First Light | 5:28AM | | Sunrise | 6:02AM | | Sunset | 9:06PM | | Last Light | 9:40PM | |
| Sun 05/26 | 12am | Flat | | | 9.5ft | 8s | 291.82° | | | 24 31 mph | | Clear | 57°f | N/A |
| | 3am | Flat | | | 10ft | 8s | 294.68° | | | 22 30 mph | | Clear | 55°f | N/A |
| Sun 05/26 | 6am | Flat | | | 10.5ft | 8s | 296.4° | | | 22 28 mph | | Sunny | 55°f | N/A |
| | 9am | Flat | | | 10ft | 8s | 296.97° | | | 20 23 mph | | Sunny | 57°f | N/A |
| | Noon | Flat | | | 9.5ft | 8s | 298.12° | | | 17 19 mph | | Sunny | 59°f | N/A |
| | 3pm | Flat | | | 8ft | 7s | 295.83° | | | 17 19 mph | | Sunny | 59°f | N/A |
| | 6pm | Flat | | | 6ft | 7s | 290.67° | | | 12 13 mph | | Sunny | 59°f | N/A |
| | 9pm | Flat | | | 5ft | 6s | 290.67° | | | 7 9 mph | | Clear | 61°f | N/A |
| Low | 5:19AM | 0.5ft | | High | 12:08PM | 1.6ft | | Low | 5:38PM | 0.7ft | | First Light | 5:27AM | | Sunrise | 6:01AM | | Sunset | 9:07PM | | Last Light | 9:41PM | |
| Mon 05/27 | 12am | Flat | | | 4.5ft | 5s | 293.54° | | | 2 3 mph | | Mostly Clear | 61°f | N/A |
| | 3am | Flat | | | 4ft | 5s | 291.82° | | | 6 7 mph | | Mostly Clear | 59°f | N/A |
| Mon 05/27 | 6am | Flat | | | 3ft | 5s | 288.38° | | | 9 11 mph | | Fair | 61°f | N/A |
| | 9am | Flat | | | 2.5ft | 5s | 283.8° | | | 15 16 mph | | Brief Showers | 63°f | N/A |
| | Noon | Flat | | | 2ft | 4s | 276.35° | | | 15 17 mph | | Brief Showers | 63°f | N/A |
| | 3pm | Flat | | | 1.5ft | 4s | 265.46° | | | 15 16 mph | | Cloudy | 63°f | N/A |
| | 6pm | Flat | | | 1.2ft | 4s | 255.15° | | | 15 18 mph | | Fair | 63°f | N/A |
| | 9pm | Flat | | | 1ft | 3s | 246.55° | | | 18 21 mph | | Mostly Clear | 61°f | N/A |
| High | 12:25AM | 1.7ft | | Low | 6:05AM | 0.5ft | | High | 12:57PM | 1.6ft | | Low | 6:26PM | 0.8ft | | First Light | 5:26AM | | Sunrise | 6:01AM | | Sunset | 9:08PM | | Last Light | 9:42PM | |
| Tue 05/28 | 12am | Flat | | | 0.9ft | 3s | 233.95° | 0.3ft | 3s | | | 18 22 mph | | Cloudy | 61°f | N/A |
| | 3am | 1ft | | | 1.2ft | 4s | 233.38° | | | 22 28 mph | | Overcast | 61°f | N/A |
| Tue 05/28 | 6am | 1ft | | | 1.4ft | 4s | 231.08° | | | 26 32 mph | | Light Showers | 61°f | N/A |
| | 9am | 1ft | | | 1.5ft | 4s | 229.37° | | | 26 28 mph | | Drizzle | 63°f | N/A |
| | Noon | 1ft | | | 1.5ft | 4s | 228.22° | | | 22 27 mph | | Rain | 61°f | N/A |
| | 3pm | 1ft | | | 1.6ft | 4s | 231.08° | | | 22 28 mph | | Rain | 61°f | N/A |
| | 6pm | 1ft | | | 1.3ft | 4s | 211.03° | 1ft | 4s | | | 15 19 mph | | Heavy Rain | 61°f | N/A |
| | 9pm | 1ft | | | 0.9ft | 5s | 179.52° | 2.5ft | 4s | | | 17 23 mph | | Rain | 59°f | N/A |
| High | 1:16AM | 1.6ft | | Low | 6:52AM | 0.7ft | | High | 1:47PM | 1.5ft | | Low | 7:17PM | 0.9ft | | First Light | 5:25AM | | Sunrise | 6:00AM | | Sunset | 9:08PM | | Last Light | 9:43PM | |
| Wed 05/29 | 12am | 1ft | | | 1ft | 5s | 180.09° | 3.5ft | 5s | | | 16 22 mph | | Rain | 59°f | N/A |
| | 3am | 1ft | | | 2.5ft | 5s | 262.6° | 0.9ft | 3s | | 1.6ft | 5s | | 8 11 mph | | Rain | 59°f | N/A |
| Wed 05/29 | 6am | 1ft | | | 1.1ft | 6s | 175.51° | 2.5ft | 5s | | | 1 3 mph | | Heavy Rain | 59°f | N/A |
| | 9am | 1ft | | | 1.2ft | 5s | 174.36° | 2ft | 5s | | | 25 26 mph | | Showers | 59°f | N/A |
| | Noon | 1ft | | | 1.2ft | 5s | 173.22° | 1.5ft | 5s | | | 25 26 mph | | Showers | 59°f | N/A |
| | 3pm | 1ft | | | 1.1ft | 5s | 172.07° | 1.1ft | 4s | | | 19 22 mph | | Brief Showers | 61°f | N/A |
| | 6pm | 1ft | | | 1ft | 5s | 172.07° | 0.8ft | 4s | | | 19 22 mph | | Brief Showers | 61°f | N/A |
| | 9pm | 1ft | | | 0.9ft | 5s | 172.07° | 0.6ft | 4s | | | 14 15 mph | | Rain | 59°f | N/A |
| High | 2:08AM | 1.4ft | | Low | 7:44AM | 0.9ft | | High | 2:40PM | 1.4ft | | Low | 8:15PM | 1.1ft | | First Light | 5:25AM | | Sunrise | 5:59AM | | Sunset | 9:09PM | | Last Light | 9:44PM | |
| Thu 05/30 | 12am | 1ft | | | 0.8ft | 5s | 171.5° | 0.4ft | 3s | | | 9 13 mph | | Brief Showers | 61°f | N/A |
| | 3am | 1ft | | | 0.7ft | 5s | 170.35° | 0.3ft | 3s | | | 9 13 mph | | Brief Showers | 61°f | N/A |
| Thu 05/30 | 6am | 1ft | | | 0.7ft | 5s | 169.21° | 0.3ft | 6s | | | 9 13 mph | | Brief Showers | 61°f | N/A |
| | 9am | 1ft | | | 0.7ft | 4s | 169.78° | 0.4ft | 6s | | | 9 13 mph | | Brief Showers | 61°f | N/A |
| | Noon | 1ft | | | 0.7ft | 4s | 172.64° | 0.4ft | 6s | | | 9 13 mph | | Brief Showers | 61°f | N/A |
| | 3pm | 1ft | | | 0.7ft | 4s | 174.36° | 0.5ft | 5s | | | 28 30 mph | | Fair | 61°f | N/A |
| | 6pm | 1ft | | | 0.7ft | 4s | 174.93° | 0.5ft | 5s | | | 28 30 mph | | Fair | 61°f | N/A |
| | 9pm | Flat | | | 0.6ft | 4s | 176.65° | 0.5ft | 5s | | | 28 30 mph | | Mostly Clear | 61°f | N/A |
| High | 3:03AM | 1.2ft | | Low | 8:42AM | 1ft | | High | 3:36PM | 1.2ft | | Low | 9:23PM | 1.2ft | | First Light | 5:24AM | | Sunrise | 5:59AM | | Sunset | 9:10PM | | Last Light | 9:45PM | |
| Fri 05/31 | 12am | Flat | | | 0.6ft | 4s | 178.37° | 0.4ft | 5s | | | 34 38 mph | | Mostly Clear | 59°f | N/A |