Historic Forecast
Tue 07/18
0 ft
Wed 07/19
0-1 ft
Thu 07/20
1 ft
Fri 07/21
0-1 ft
Sat 07/22
1 ft
Sun 07/23
1 ft
Mon 07/24
1 ft
Surf Swell Rating Primary Swell Secondary Swell Wind Weather Prob.
Tuesday 07/18
12am 0-1ft
0.9ft 3s 53.4° 0.8ft 6s 0.5ft 8s 3 5 mph Cloudy 71°f 41%
3am 1ft
1.1ft 6s 66.63° 0.5ft 8s   3 5 mph Clear 69°f 46%
6am 1ft
1ft 6s 67.07° 0.5ft 8s   4 6 mph Clear 68°f 46%
9am 1ft
1ft 8s 69.83°     6 12 mph Sunny 80°f 55%
Noon Flat
0.7ft 6s 79.28° 0.8ft 3s 0.2ft 8s 8 12 mph Sunny 87°f 55%
3pm 0-1ft
1ft 4s 73.26° 0.2ft 8s   6 10 mph Sunny 89°f 71%
6pm 0-1ft
1ft 5s 72.71° 0.2ft 8s   4 6 mph Sunny 77°f 71%
9pm 1ft
1.1ft 6s 68.68° 0.2ft 8s   3 5 mph Clear 70°f 85%
Tide and daylight times for São Luís, Brazil
Rio Mearim
High 2:08AM 15.88ft
Low 8:27AM 2.85ft
High 2:47PM 15.38ft
Low 8:55PM 3.31ft
First Light 5:40AM
Sunrise 6:02AM
Sunset 6:04PM
Last Light 6:26PM
Wednesday 07/19
12am 1ft
1.1ft 6s 69.5° 0.2ft 8s   0 1 mph Clear 66°f 85%
3am 1ft
1.1ft 6s 68.81° 0.2ft 8s   3 5 mph Clear 66°f 51%
6am 0-1ft
1ft 3s 62.73° 0.8ft 6s 0.2ft 8s 4 6 mph Clear 67°f 51%
9am 0-1ft
1.1ft 3s 68.63° 0.4ft 8s   4 7 mph Sunny 80°f 80%
Noon 0-1ft
1.1ft 4s 71.43° 0.4ft 8s   5 9 mph Sunny 90°f 80%
3pm 0-1ft
1.2ft 4s 72.61° 0.2ft 7s 0.3ft 8s 4 7 mph Sunny 93°f 57%
6pm 0-1ft
1.3ft 4s 72.74° 0.3ft 8s   1 2 mph Sunny 81°f 57%
9pm 0-1ft
1.3ft 4s 72.8° 0.3ft 8s   2 4 mph Clear 75°f 95%
Tide and daylight times for São Luís, Brazil
Rio Mearim
High 3:16AM 16.1ft
Low 9:36AM 2.46ft
High 3:56PM 15.58ft
Low 10:02PM 3.05ft
First Light 5:40AM
Sunrise 6:02AM
Sunset 6:04PM
Last Light 6:26PM
Thursday 07/20
12am 0-1ft
1.4ft 4s 71.87° 0.3ft 8s   2 3 mph Clear 73°f 95%
3am 0-1ft
1.4ft 4s 70.3° 0.2ft 7s   1 2 mph Clear 71°f 86%
6am 1ft
1.4ft 4s 69.98° 0.2ft 7s   2 2 mph Clear 70°f 86%
9am 1ft
1.6ft 4s 72.88° 0.2ft 7s   3 6 mph Sunny 83°f 95%
Noon 1ft
1.8ft 5s 77.34° 0.2ft 8s   5 10 mph Sunny 92°f 95%
3pm 1ft
1.9ft 5s 78.65°     3 8 mph Fair 88°f 100%
6pm 1ft
1.9ft 5s 77.56°     2 3 mph Sunny 82°f 100%
9pm 1ft
1.8ft 6s 75.18°     2 3 mph Clear 77°f 95%
Tide and daylight times for São Luís, Brazil
Rio Mearim
High 4:21AM 16.63ft
Low 10:41AM 1.84ft
High 5:00PM 16.1ft
Low 11:04PM 2.56ft
First Light 5:40AM
Sunrise 6:02AM
Sunset 6:04PM
Last Light 6:26PM
Friday 07/21
12am 1ft
1.7ft 6s 72.29°     3 7 mph Clear 74°f 95%
3am 1ft
1.6ft 6s 69.99°     2 3 mph Brief Showers Possible 72°f 100%
6am 1ft
1.7ft 4s 71.09°     2 3 mph Light Showers 72°f 100%
9am 1ft
2ft 5s 78.26°     5 14 mph Light Showers Possible 79°f 100%
Noon 0-1ft
1.7ft 5s 83.32° 1ft 6s   6 15 mph Light Showers Possible 89°f 100%
3pm 1ft
1.9ft 6s 80.01°     6 14 mph Light Showers 93°f 100%
6pm 1ft
1.8ft 6s 76.66°     1 3 mph Heavy Thunderstorms 84°f 100%
9pm 1ft
1.8ft 6s 73.53°     4 5 mph Heavy Thunderstorms 75°f 100%
Tide and daylight times for São Luís, Brazil
Rio Mearim
High 5:21AM 17.32ft
Low 11:40AM 1.12ft
High 5:58PM 16.73ft
First Light 5:40AM
Sunrise 6:02AM
Sunset 6:04PM
Last Light 6:26PM
Saturday 07/22
12am 1ft
1.8ft 5s 71.15° 0.7ft 7s   2 3 mph Mostly Clear 73°f 100%
3am 1ft
1.9ft 5s 74.42° 1ft 6s   2 3 mph Light Showers 73°f 100%
6am 1ft
2.5ft 6s 80.22°     2 3 mph Light Showers Possible 71°f 100%
9am 1ft
2.5ft 6s 85.21°     6 15 mph Light Showers Possible 80°f 80%
Noon 1ft
2ft 7s 86.52°     6 13 mph Sunny 89°f 80%
3pm 1ft
2ft 7s 82.46°     4 11 mph Sunny 92°f 100%
6pm 1ft
1.8ft 5s 77.78° 1ft 7s   4 9 mph Overcast 81°f 100%
9pm 1ft
1.7ft 5s 73.49° 1ft 6s   3 15 mph Mostly Cloudy 77°f 90%
Tide and daylight times for São Luís, Brazil
Rio Mearim
Low 12:01AM 1.97ft
High 6:16AM 17.97ft
Low 12:34PM 0.49ft
High 6:50PM 17.25ft
First Light 5:40AM
Sunrise 6:02AM
Sunset 6:04PM
Last Light 6:26PM
Sunday 07/23
12am 1ft
1.8ft 5s 70.48° 0.9ft 6s   3 12 mph Clear 73°f 90%
3am 1ft
2ft 5s 71.95°     2 3 mph Brief Showers Possible 71°f 100%
6am 1ft
2.5ft 6s 73.59°     2 3 mph Clear 71°f 100%
9am 1ft
2.5ft 6s 76.94°     4 11 mph Sunny 81°f 100%
Noon 1ft
2.5ft 6s 80.61°     5 11 mph Sunny 91°f 100%
3pm 1ft
2.5ft 6s 80.05°     3 6 mph Fair 89°f 90%
6pm 1ft
2.5ft 6s 78.12°     2 4 mph Fair 83°f 90%
9pm 1ft
2ft 5s 75.51° 1ft 7s   4 18 mph Clear 77°f 100%
Tide and daylight times for São Luís, Brazil
Rio Mearim
Low 12:52AM 1.41ft
High 7:07AM 18.47ft
Low 1:23PM 0.1ft
High 7:38PM 17.65ft
First Light 5:40AM
Sunrise 6:02AM
Sunset 6:04PM
Last Light 6:26PM
Monday 07/24
12am 1ft
2.5ft 5s 72.66°     3 7 mph Clear 74°f 100%
3am 1ft
2.5ft 6s 72.71°     2 4 mph Clear 72°f 85%
6am 1ft
2.5ft 6s 75.8°     3 10 mph Mist 71°f 85%
9am 1ft
2.5ft 6s 82.92°     7 16 mph Sunny 82°f 100%
Noon 1ft
2.5ft 6s 86.74°     7 14 mph Light Showers 89°f 100%
3pm 1ft
2.5ft 7s 83°     3 12 mph Fair 89°f 75%
6pm 1ft
2ft 7s 77.88°     2 4 mph Fair 83°f 75%
9pm 1ft
1.8ft 5s 73.35° 1ft 7s   3 7 mph Clear 78°f N/A
Tide and daylight times for São Luís, Brazil
Rio Mearim
Low 1:39AM 1.05ft
High 7:54AM 18.7ft
Low 2:08PM 0ft
High 8:23PM 17.78ft
First Light 5:40AM
Sunrise 6:02AM
Sunset 6:04PM
Last Light 6:26PM

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.