Historic Forecast
Wed 09/13
1 ft
Thu 09/14
1 ft
Fri 09/15
1 ft
Sat 09/16
1 ft
Sun 09/17
1 ft
Mon 09/18
1 ft
Tue 09/19
1 ft
Surf Swell Rating Primary Swell Secondary Swell Wind Weather Prob.
Wednesday 09/13
12am 1ft
2ft 5s 66.93° 0.9ft 7s   5 22 mph Clear 77°f 100%
3am 1ft
2ft 5s 68.1° 0.7ft 8s   3 18 mph Mostly Clear 75°f 100%
6am 1ft
2ft 5s 70.98°     2 15 mph Overcast 77°f 100%
9am 1ft
2.5ft 6s 76.44°     5 11 mph Sunny 84°f 100%
Noon 1ft
2.5ft 6s 79.87°     5 10 mph Showers 95°f 100%
3pm 1ft
2.5ft 6s 77.16°     3 7 mph Light Showers 95°f 60%
6pm 1ft
1.8ft 5s 71.75° 1ft 7s   2 3 mph Clear 86°f 60%
9pm 1ft
1.8ft 7s 70.33°     4 13 mph Clear 80°f 60%
Tide and daylight times for São Luís, Brazil
Rio Mearim
High 12:00AM 16.14ft
Low 6:21AM 2.66ft
High 12:44PM 14.89ft
Low 6:49PM 4.26ft
First Light 5:28AM
Sunrise 5:49AM
Sunset 5:56PM
Last Light 6:17PM
Thursday 09/14
12am 1ft
1.8ft 7s 68.83°     3 14 mph Clear 76°f 60%
3am 1ft
1.6ft 4s 66.47° 1ft 7s   3 12 mph Clear 74°f 100%
6am 1ft
2ft 5s 69.12° 0.7ft 7s   2 3 mph Fair 73°f 100%
9am 1ft
2.5ft 6s 77.31°     3 9 mph Showers 83°f 100%
Noon 1ft
2.5ft 6s 80.14°     4 10 mph Light Showers 96°f 100%
3pm 1ft
2ft 6s 76.43° 1.1ft 7s   3 8 mph Light Showers 99°f 90%
6pm 1ft
1.7ft 5s 70.19° 1.1ft 7s   2 3 mph Mostly Cloudy 90°f 90%
9pm 1ft
1.9ft 8s 68.16°     5 16 mph Mostly Cloudy 84°f 70%
Tide and daylight times for São Luís, Brazil
Rio Mearim
High 1:09AM 15.15ft
Low 7:36AM 3.51ft
High 2:03PM 14.2ft
Low 8:11PM 4.89ft
First Light 5:27AM
Sunrise 5:48AM
Sunset 5:56PM
Last Light 6:17PM
Friday 09/15
12am 1ft
1.9ft 4s 65.94°     4 16 mph Clear 78°f 70%
3am 1ft
1.9ft 4s 66.76°     2 10 mph Clear 75°f 100%
6am 1ft
1.9ft 5s 69.24° 0.7ft 8s   2 2 mph Light Showers Possible 73°f 100%
9am 1ft
2.5ft 6s 76.48°     4 8 mph Light Showers Possible 84°f 100%
Noon 1ft
2.5ft 6s 77.17°     5 11 mph Mostly Cloudy 96°f 100%
3pm 1ft
2ft 7s 74.18°     4 10 mph Mostly Cloudy 99°f 90%
6pm 1ft
1.9ft 8s 69.65°     2 3 mph Mostly Cloudy 89°f 90%
9pm 1ft
1.8ft 4s 60.96° 1ft 9s   4 10 mph Mostly Cloudy 85°f 90%
Tide and daylight times for São Luís, Brazil
Rio Mearim
High 2:32AM 14.69ft
Low 9:00AM 3.67ft
High 3:28PM 14.3ft
Low 9:35PM 4.62ft
First Light 5:27AM
Sunrise 5:48AM
Sunset 5:56PM
Last Light 6:16PM
Saturday 09/16
12am 1ft
2ft 5s 65.73° 0.9ft 9s   4 17 mph Clear 77°f 90%
3am 1-2ft
2.5ft 6s 70.6°     2 9 mph Clear 75°f 100%
6am 1ft
3ft 6s 75.5°     2 3 mph Sunny 73°f 100%
9am 1ft
3ft 6s 81.25°     6 13 mph Sunny 86°f 90%
Noon 1ft
2.5ft 7s 81.45°     5 10 mph Sunny 96°f 90%
3pm 1ft
2.5ft 7s 77.49°     4 9 mph Sunny 100°f 80%
6pm 1-2ft
2ft 8s 72.41°     1 2 mph Clear 87°f 80%
9pm 1ft
2.5ft 5s 68.3°     7 22 mph Clear 80°f 100%
Tide and daylight times for São Luís, Brazil
Rio Mearim
High 3:54AM 15.06ft
Low 10:17AM 3.15ft
High 4:40PM 15.09ft
Low 10:46PM 3.67ft
First Light 5:27AM
Sunrise 5:47AM
Sunset 5:55PM
Last Light 6:16PM
Sunday 09/17
12am 1-2ft
2.5ft 6s 69.13°     5 22 mph Clear 77°f 100%
3am 1-2ft
2.5ft 6s 71.41°     3 10 mph Clear 74°f 100%
6am 1-2ft
3ft 6s 74.53°     2 4 mph Sunny 73°f 100%
9am 1ft
3ft 6s 79.33°     6 11 mph Sunny 85°f 95%
Noon 1ft
3ft 6s 82.06°     5 10 mph Fair 95°f 95%
3pm 1ft
2.5ft 6s 79.27°     4 8 mph Sunny 98°f 100%
6pm 1ft
2ft 6s 75.1° 0.9ft 7s   4 6 mph Clear 87°f 100%
9pm 1ft
2ft 5s 70.15° 0.9ft 7s 0.2ft 13s 6 19 mph Clear 80°f 90%
Tide and daylight times for São Luís, Brazil
Rio Mearim
High 5:02AM 15.91ft
Low 11:18AM 2.3ft
High 5:36PM 16.1ft
Low 11:42PM 2.53ft
First Light 5:26AM
Sunrise 5:47AM
Sunset 5:55PM
Last Light 6:16PM
Monday 09/18
12am 1ft
2ft 5s 69.63° 0.7ft 7s 0.2ft 13s 4 18 mph Clear 76°f 90%
3am 1ft
2ft 5s 70.61° 0.7ft 8s 0.2ft 13s 3 20 mph Clear 74°f 100%
6am 1ft
2.5ft 6s 73.24° 0.2ft 13s   2 4 mph Sunny 72°f 100%
9am 1ft
2.5ft 6s 79.43° 0.2ft 12s   5 10 mph Fair 85°f 95%
Noon 1ft
2.5ft 6s 81.6° 0.2ft 12s   5 9 mph Light Showers 97°f 95%
3pm 1ft
2.5ft 7s 77.86° 0.2ft 12s   2 8 mph Brief Showers Possible 101°f 80%
6pm 1ft
2ft 7s 73.38° 0.2ft 12s   3 4 mph Mostly Cloudy 89°f 80%
9pm 1-2ft
1.9ft 7s 67.45°     5 18 mph Clear 82°f 90%
Tide and daylight times for São Luís, Brazil
Rio Mearim
High 5:56AM 16.89ft
Low 12:07PM 1.48ft
High 6:22PM 17.09ft
First Light 5:26AM
Sunrise 5:46AM
Sunset 5:55PM
Last Light 6:15PM
Tuesday 09/19
12am 1ft
1.9ft 5s 63.17° 0.9ft 7s   4 18 mph Clear 77°f 90%
3am 1ft
1.9ft 5s 66.52° 0.9ft 7s   3 13 mph Clear 75°f 100%
6am 1ft
2ft 5s 72.23°     2 10 mph Sunny 73°f 100%
9am 1ft
2.5ft 6s 76.56°     4 8 mph Sunny 87°f 85%
Noon 1ft
2ft 6s 76.01°     5 10 mph Mostly Cloudy 98°f 85%
3pm 1ft
2ft 7s 73.05°     3 8 mph Mostly Cloudy 101°f 50%
6pm 1ft
1.9ft 7s 68.45°     3 3 mph Overcast 91°f 50%
9pm 1ft
1.6ft 4s 58.63° 1ft 7s   6 19 mph Clear 84°f N/A
Tide and daylight times for São Luís, Brazil
Rio Mearim
Low 12:27AM 1.48ft
High 6:41AM 17.71ft
Low 12:49PM 0.85ft
High 7:02PM 17.84ft
First Light 5:25AM
Sunrise 5:46AM
Sunset 5:54PM
Last Light 6:15PM

Historic Forecast for Rio Mearim

A detailed historic forecast for Rio Mearim. The data shown here is the last predicted forecast at the given times. You can go to a specific date range using the date pickers above to get the conditions for anytime since 1997 to now.