| Tue 05/21 | 12am | 2-3ft | | | 3.5ft | 7s | 306.07° | 3ft | 6s | | 1.6ft | 8s | | 16 24 mph | | Mostly Clear | 57°f | 100% |
| | 3am | 2-4ft | | | 3.5ft | 8s | 316.61° | 3ft | 6s | | 1.1ft | 10s | | 15 23 mph | | Mostly Clear | 57°f | 100% |
| Tue 05/21 | 6am | 2-3ft | | | 3.5ft | 8s | 331.33° | 3.5ft | 6s | | 0.7ft | 12s | | 14 21 mph | | Fair | 55°f | 100% |
| | 9am | 2-3ft | | | 3ft | 9s | 330.08° | 3ft | 6s | | 0.8ft | 11s | | 13 17 mph | | Fair | 59°f | 100% |
| | Noon | 3-4ft | | | 4.5ft | 9s | 334.42° | 0.8ft | 14s | | 0.9ft | 11s | | 16 17 mph | | Fair | 61°f | 100% |
| | 3pm | 2-4ft | | | 4ft | 9s | 334.09° | 0.9ft | 14s | | 1ft | 11s | | 18 19 mph | | Sunny | 61°f | 100% |
| | 6pm | 2-4ft | | | 4ft | 9s | 337.51° | 1ft | 13s | | 1.2ft | 7s | | 17 21 mph | | Sunny | 59°f | 90% |
| | 9pm | 1-2ft | | | 3ft | 5s | 334.93° | 2ft | 9s | | 1.2ft | 7s | | 12 18 mph | | Clear | 57°f | 90% |
| Low | 6:15AM | 4.5ft | | High | 12:27PM | 9.8ft | | Low | 6:39PM | 4.4ft | | First Light | 5:48AM | | Sunrise | 6:18AM | | Sunset | 8:50PM | | Last Light | 9:21PM | |
| Wed 05/22 | 12am | 2-3ft | | | 1.8ft | 14s | 307.31° | 3ft | 6s | | 1.8ft | 8s | | 10 15 mph | | Clear | 57°f | 100% |
| | 3am | 2-4ft | | | 2ft | 14s | 308.66° | 3.5ft | 7s | | | 8 11 mph | | Clear | 57°f | 100% |
| Wed 05/22 | 6am | 2-4ft | | | 2.5ft | 13s | 308.2° | 3.5ft | 7s | | | 8 10 mph | | Sunny | 57°f | 100% |
| | 9am | 2-3ft | | | 3ft | 8s | 309.68° | 2.5ft | 7s | | | 7 8 mph | | Sunny | 61°f | 100% |
| | Noon | 3-4ft | | | 3ft | 13s | 308.61° | 4ft | 8s | | | 10 10 mph | | Sunny | 64°f | 100% |
| | 3pm | 3-4ft | | | 3ft | 13s | 310.09° | 4ft | 8s | | | 14 15 mph | | Fair | 63°f | 100% |
| | 6pm | 3-4ft | | | 3ft | 12s | 309.71° | 4ft | 8s | | | 12 15 mph | | Fair | 61°f | 100% |
| | 9pm | 3-4ft | | | 3ft | 12s | 310.28° | 4ft | 8s | | | 9 13 mph | | Clear | 57°f | 100% |
| High | 12:49AM | 10.2ft | | Low | 7:05AM | 3.8ft | | High | 1:19PM | 10.5ft | | Low | 7:29PM | 3.6ft | | First Light | 5:47AM | | Sunrise | 6:17AM | | Sunset | 8:51PM | | Last Light | 9:22PM | |
| Thu 05/23 | 12am | 3-4ft | | | 3ft | 12s | 310.08° | 4ft | 8s | | | 9 12 mph | | Clear | 57°f | 100% |
| | 3am | 3-4ft | | | 3ft | 12s | 311.16° | 4.5ft | 8s | | | 8 10 mph | | Clear | 57°f | 100% |
| Thu 05/23 | 6am | 3-4ft | | | 4.5ft | 8s | 333.22° | 2.5ft | 12s | | | 8 10 mph | | Sunny | 57°f | 100% |
| | 9am | 2-4ft | | | 4.5ft | 8s | 335.04° | 3ft | 10s | | | 5 6 mph | | Sunny | 61°f | 100% |
| | Noon | 2-4ft | | | 4.5ft | 8s | 335.09° | 3ft | 10s | | | 7 mph | | Sunny | 64°f | 80% |
| | 3pm | 3-4ft | | | 3ft | 10s | 317.48° | 4ft | 8s | | | 11 11 mph | | Sunny | 64°f | 80% |
| | 6pm | 2-4ft | | | 3ft | 10s | 318° | 4ft | 8s | | | 11 13 mph | | Sunny | 63°f | 100% |
| | 9pm | 3-5ft | | | 5ft | 9s | 331.11° | 1ft | 10s | | | 9 13 mph | | Clear | 59°f | 100% |
| High | 1:41AM | 10.8ft | | Low | 7:52AM | 3.1ft | | High | 2:08PM | 11.3ft | | Low | 8:16PM | 2.9ft | | First Light | 5:46AM | | Sunrise | 6:17AM | | Sunset | 8:52PM | | Last Light | 9:22PM | |
| Fri 05/24 | 12am | 3-5ft | | | 5.5ft | 9s | 332.71° | 1.1ft | 10s | | | 9 12 mph | | Clear | 59°f | 100% |
| | 3am | 3-5ft | | | 6.5ft | 9s | 333.18° | 0.5ft | 10s | | | 11 15 mph | | Clear | 59°f | 100% |
| Fri 05/24 | 6am | 4-6ft | | | 7ft | 9s | 334.77° | 0.4ft | 10s | | | 11 15 mph | | Sunny | 57°f | 95% |
| | 9am | 4-6ft | | | 7.5ft | 9s | 336.25° | 0.4ft | 10s | | | 11 13 mph | | Sunny | 61°f | 95% |
| | Noon | 4-6ft | | | 7.5ft | 9s | 337.2° | | | 14 15 mph | | Sunny | 64°f | 75% |
| | 3pm | 4-6ft | | | 8ft | 9s | 338.67° | | | 19 23 mph | | Sunny | 64°f | 75% |
| | 6pm | 4-6ft | | | 9ft | 9s | 340.85° | | | 19 28 mph | | Sunny | 63°f | 75% |
| | 9pm | 4-6ft | | | 9.5ft | 9s | 341.94° | | | 19 32 mph | | Clear | 59°f | 75% |
| High | 2:31AM | 11.4ft | | Low | 8:37AM | 2.6ft | | High | 2:54PM | 11.9ft | | Low | 9:03PM | 2.4ft | | First Light | 5:45AM | | Sunrise | 6:16AM | | Sunset | 8:52PM | | Last Light | 9:23PM | |
| Sat 05/25 | 12am | 4-6ft | | | 9.5ft | 9s | 342.92° | | | 20 31 mph | | Clear | 59°f | 70% |
| | 3am | 4-6ft | | | 9ft | 9s | 343.6° | | | 19 28 mph | | Clear | 57°f | 70% |
| Sat 05/25 | 6am | 4-6ft | | | 8.5ft | 9s | 343.19° | | | 17 24 mph | | Sunny | 55°f | 65% |
| | 9am | 3-5ft | | | 7.5ft | 9s | 342.45° | | | 15 20 mph | | Sunny | 61°f | 65% |
| | Noon | 3-5ft | | | 7ft | 9s | 341.94° | | | 17 19 mph | | Sunny | 64°f | 70% |
| | 3pm | 3-5ft | | | 6.5ft | 9s | 341.67° | 0.3ft | 9s | | | 20 23 mph | | Sunny | 64°f | 70% |
| | 6pm | 3-5ft | | | 7ft | 8s | 342.25° | | | 20 29 mph | | Sunny | 63°f | 75% |
| | 9pm | 3-5ft | | | 7ft | 8s | 342.64° | | | 17 27 mph | | Clear | 59°f | 75% |
| High | 3:19AM | 11.7ft | | Low | 9:22AM | 2.4ft | | High | 3:40PM | 12.3ft | | Low | 9:49PM | 2.1ft | | First Light | 5:45AM | | Sunrise | 6:16AM | | Sunset | 8:53PM | | Last Light | 9:24PM | |
| Sun 05/26 | 12am | 3-4ft | | | 6.5ft | 8s | 343.19° | | | 14 21 mph | | Clear | 57°f | 75% |
| | 3am | 3-4ft | | | 6.5ft | 8s | 343.82° | | | 13 18 mph | | Clear | 57°f | 75% |
| Sun 05/26 | 6am | 3-4ft | | | 6.5ft | 8s | 344.3° | | | 13 17 mph | | Sunny | 57°f | 75% |
| | 9am | 3-4ft | | | 6ft | 8s | 344.86° | | | 12 15 mph | | Sunny | 63°f | 75% |
| | Noon | 3-4ft | | | 6ft | 8s | 344.9° | 0.2ft | 14s | | | 15 17 mph | | Sunny | 66°f | 80% |
| | 3pm | 2-4ft | | | 6ft | 7s | 343.65° | | | 21 25 mph | | Sunny | 63°f | 80% |
| | 6pm | 2-4ft | | | 5.5ft | 7s | 341.84° | 0.2ft | 13s | | | 21 28 mph | | Sunny | 61°f | 80% |
| | 9pm | 2-3ft | | | 5ft | 6s | 340.02° | 0.4ft | 8s | | 0.6ft | 10s | | 19 30 mph | | Clear | 57°f | 80% |
| High | 4:06AM | 11.9ft | | Low | 10:07AM | 2.3ft | | High | 4:27PM | 12.4ft | | Low | 10:36PM | 2.1ft | | First Light | 5:44AM | | Sunrise | 6:15AM | | Sunset | 8:54PM | | Last Light | 9:25PM | |
| Mon 05/27 | 12am | 2-3ft | | | 4.5ft | 6s | 338.45° | 0.7ft | 10s | | 0.4ft | 8s | | 19 30 mph | | Clear | 59°f | 50% |
| | 3am | 2-3ft | | | 4ft | 6s | 339° | 0.4ft | 8s | | 0.6ft | 10s | | 18 26 mph | | Cloudy | 57°f | 50% |
| Mon 05/27 | 6am | 2-3ft | | | 4ft | 6s | 339.21° | 0.4ft | 12s | | 0.4ft | 7s | | 18 24 mph | | Fair | 57°f | 70% |
| | 9am | 2-3ft | | | 4ft | 6s | 337.74° | 0.4ft | 11s | | 0.3ft | 8s | | 20 23 mph | | Sunny | 59°f | 70% |
| | Noon | 2-3ft | | | 4.5ft | 6s | 336.59° | 0.5ft | 11s | | 0.2ft | 13s | | 21 23 mph | | Sunny | 59°f | 55% |
| | 3pm | 2-3ft | | | 4.5ft | 6s | 335.86° | 0.5ft | 11s | | 0.2ft | 13s | | 20 23 mph | | Fair | 59°f | 55% |
| | 6pm | 2-3ft | | | 4.5ft | 6s | 335.46° | 0.5ft | 10s | | 0.2ft | 12s | | 18 22 mph | | Sunny | 59°f | 32% |
| | 9pm | 2-3ft | | | 4.5ft | 6s | 335.45° | 0.6ft | 10s | | 0.2ft | 12s | | 15 22 mph | | Clear | 57°f | 32% |
| High | 4:54AM | 11.8ft | | Low | 10:53AM | 2.6ft | | High | 5:14PM | 12.3ft | | Low | 11:25PM | 2.4ft | | First Light | 5:43AM | | Sunrise | 6:15AM | | Sunset | 8:55PM | | Last Light | 9:26PM | |
| Extended Surf Forecast for Praia Grande Sintra Area |
| Tue 05/28 | 12am | 1-2ft | | | 1.6ft | 4s | 294.68° | 0.9ft | 7s | | | 12 19 mph | | Clear | 59°f | 8% |
| | 3am | 1-2ft | | | 1.5ft | 7s | 338.8° | 1.1ft | 3s | | | 12 17 mph | | Cloudy | 59°f | 8% |
| Tue 05/28 | 6am | 1-2ft | | | 1.7ft | 7s | 333.64° | 0.9ft | 4s | | | 10 16 mph | | Cloudy | 59°f | 5% |
| | 9am | 1-2ft | | | 2ft | 7s | 329.63° | 0.9ft | 4s | | | 14 17 mph | | Light Showers | 61°f | 5% |
| | Noon | 1-2ft | | | 2ft | 7s | 328.49° | 0.9ft | 9s | | | 18 19 mph | | Brief Showers | 61°f | 12% |
| | 3pm | 2ft | | | 2.5ft | 8s | 328.49° | 0.9ft | 9s | | | 19 21 mph | | Fair | 59°f | 12% |
| | 6pm | 2-3ft | | | 2.5ft | 8s | 329.63° | 1ft | 9s | | | 20 24 mph | | Sunny | 59°f | 32% |
| | 9pm | 2-3ft | | | 2.5ft | 8s | 330.21° | 1ft | 9s | | 0.5ft | 4s | | 17 24 mph | | Clear | 57°f | 32% |
| High | 5:44AM | 11.4ft | | Low | 11:41AM | 3.1ft | | High | 6:04PM | 12ft | | First Light | 5:43AM | | Sunrise | 6:14AM | | Sunset | 8:56PM | | Last Light | 9:27PM | |
| Wed 05/29 | 12am | 2-3ft | | | 2.5ft | 8s | 329.63° | 1ft | 9s | | 0.5ft | 5s | | 17 24 mph | | Clear | 57°f | 9% |
| | 3am | 2-3ft | | | 2.5ft | 8s | 330.78° | 1ft | 8s | | 0.6ft | 5s | | 22 24 mph | | Brief Showers | 59°f | 9% |
| Wed 05/29 | 6am | 2-3ft | | | 2.5ft | 8s | 330.78° | 1.1ft | 8s | | 0.8ft | 5s | | 22 24 mph | | Brief Showers | 59°f | 6% |
| | 9am | 2-3ft | | | 3ft | 8s | 325.05° | 1.1ft | 8s | | 0.7ft | 5s | | 20 23 mph | | Fair | 59°f | 6% |
| | Noon | 2-3ft | | | 3ft | 8s | 313.02° | 1.1ft | 8s | | | 20 23 mph | | Fair | 59°f | 23% |
| | 3pm | 2-3ft | | | 3ft | 8s | 333.64° | 1.1ft | 8s | | 2ft | 5s | | 20 23 mph | | Fair | 59°f | 23% |
| | 6pm | 2-3ft | | | 2.5ft | 8s | 335.36° | 1.4ft | 8s | | 2ft | 5s | | 20 23 mph | | Fair | 59°f | 28% |
| | 9pm | 2-3ft | | | 2.5ft | 8s | 335.36° | 2ft | 5s | | | 22 24 mph | | Brief Showers | 59°f | 28% |
| Low | 12:16AM | 2.9ft | | High | 6:36AM | 11ft | | Low | 12:33PM | 3.7ft | | High | 6:56PM | 11.5ft | | First Light | 5:42AM | | Sunrise | 6:14AM | | Sunset | 8:56PM | | Last Light | 9:28PM | |
| Thu 05/30 | 12am | 2-3ft | | | 2.5ft | 8s | 334.79° | 1.8ft | 5s | | | 20 25 mph | | Brief Showers | 59°f | 33% |
| | 3am | 2-3ft | | | 3ft | 8s | 334.79° | 1.7ft | 5s | | | 20 25 mph | | Brief Showers | 59°f | 33% |
| Thu 05/30 | 6am | 2-3ft | | | 3.5ft | 8s | 334.79° | 1.4ft | 5s | | | 20 25 mph | | Brief Showers | 59°f | 42% |
| | 9am | 2-3ft | | | 3.5ft | 8s | 336.51° | 1.8ft | 5s | | | 23 26 mph | | Brief Showers | 59°f | 42% |
| | Noon | 2-4ft | | | 4ft | 9s | 334.79° | 1.5ft | 5s | | | 23 26 mph | | Brief Showers | 59°f | 5% |
| | 3pm | 2-4ft | | | 4ft | 9s | 335.36° | 1.9ft | 7s | | 0.2ft | 13s | | 23 26 mph | | Brief Showers | 59°f | 5% |
| | 6pm | 3-5ft | | | 4.5ft | 9s | 325.62° | 0.2ft | 13s | | 0.2ft | 11s | | 23 26 mph | | Brief Showers | 59°f | 14% |
| | 9pm | 3-5ft | | | 5ft | 9s | 324.48° | 0.3ft | 13s | | 0.2ft | 11s | | 20 25 mph | | Brief Showers | 59°f | 14% |
| Low | 1:13AM | 3.6ft | | High | 7:31AM | 10.4ft | | Low | 1:31PM | 4.4ft | | High | 7:52PM | 10.9ft | | First Light | 5:42AM | | Sunrise | 6:13AM | | Sunset | 8:57PM | | Last Light | 9:28PM | |
| Fri 05/31 | 12am | 3-5ft | | | 5ft | 9s | 325.05° | 0.5ft | 12s | | | 27 34 mph | | Clear | 57°f | 16% |