Historic Forecast
Sat 06/18
0-1 ft
Sun 06/19
1 ft
Mon 06/20
1 ft
Tue 06/21
1 ft
Wed 06/22
0-1 ft
Thu 06/23
0-1 ft
Fri 06/24
1 ft
Surf Swell Rating Primary Swell Secondary Swell Wind Weather Prob.
Saturday 06/18
12am 1ft
1.4ft 6s 71°     4 6 mph Clear 76°f 90%
3am 1ft
1.3ft 6s 67.96°     3 5 mph Mist 74°f 100%
6am 1ft
1.4ft 6s 68.25°     3 4 mph Mist 73°f 100%
9am 1ft
1.5ft 4s 71.74°     3 5 mph Brief Showers Possible 78°f 95%
Noon 0-1ft
1.6ft 4s 75.42°     5 6 mph Brief Showers Possible 84°f 95%
3pm 0-1ft
1.6ft 4s 75.1°     5 6 mph Light Showers 87°f 95%
6pm 0-1ft
1.6ft 4s 73.38°     3 4 mph Mostly Clear 85°f 95%
9pm 1ft
1.6ft 4s 71.77°     3 5 mph Mostly Clear 82°f 85%
Tide and daylight times for São Luís, Brazil
Rio Mearim
High 5:50AM 16.4ft
Low 12:04PM 2.13ft
High 6:17PM 15.94ft
First Light 5:35AM
Sunrise 5:58AM
Sunset 5:58PM
Last Light 6:21PM
Sunday 06/19
12am 1ft
1.4ft 4s 68.31° 0.9ft 5s   4 10 mph Clear 77°f 100%
3am 1ft
1.8ft 5s 72.21°     4 9 mph Mist 75°f 90%
6am 1ft
1.8ft 5s 74.07°     3 5 mph Mist 75°f 90%
9am 1ft
1.9ft 5s 75.87°     6 13 mph Brief Showers Possible 80°f 65%
Noon 1ft
2ft 5s 78.52°     6 9 mph Brief Showers Possible 86°f 65%
3pm 1ft
2ft 5s 78.64°     5 7 mph Light Showers 87°f 95%
6pm 1ft
2ft 6s 77.1°     3 5 mph Brief Showers Possible 86°f 95%
9pm 1ft
1.9ft 6s 75.61°     3 5 mph Clear 83°f 90%
Tide and daylight times for São Luís, Brazil
Rio Mearim
Low 12:17AM 2.69ft
High 6:30AM 16.96ft
Low 12:43PM 1.57ft
High 6:56PM 16.37ft
First Light 5:35AM
Sunrise 5:58AM
Sunset 5:59PM
Last Light 6:21PM
Monday 06/20
12am 1ft
1.8ft 6s 73.27°     4 6 mph Clear 79°f 90%
3am 1ft
1.5ft 4s 70.83° 1ft 6s   4 5 mph Clear 76°f 70%
6am 1ft
1.4ft 4s 71.12° 1ft 6s   3 4 mph Brief Showers Possible 74°f 70%
9am 1ft
1.8ft 6s 74.56°     4 9 mph Brief Showers Possible 79°f 80%
Noon 1ft
2ft 4s 79.66°     6 9 mph Brief Showers Possible 85°f 80%
3pm 1ft
2ft 4s 80.01°     5 7 mph Heavy Thunderstorms 86°f 100%
6pm 1ft
1.8ft 5s 79.45° 0.9ft 6s   3 4 mph Brief Showers Possible 86°f 100%
9pm 1ft
1.8ft 6s 76.32°     2 3 mph Brief Showers Possible 84°f 60%
Tide and daylight times for São Luís, Brazil
Rio Mearim
Low 12:56AM 2.33ft
High 7:08AM 17.42ft
Low 1:22PM 1.12ft
High 7:35PM 16.7ft
First Light 5:36AM
Sunrise 5:58AM
Sunset 5:59PM
Last Light 6:21PM
Tuesday 06/21
12am 0-1ft
1.3ft 4s 71.47° 1ft 6s   4 5 mph Clear 79°f 60%
3am 1ft
1.9ft 4s 71.88°     3 5 mph Clear 75°f 95%
6am 1ft
2ft 5s 75.92°     2 3 mph Brief Showers Possible 74°f 95%
9am 1ft
2.5ft 5s 84.99°     3 6 mph Brief Showers Possible 79°f 100%
Noon 1ft
3ft 6s 89.92°     7 11 mph Light Showers 83°f 100%
3pm 1ft
2.5ft 6s 86.7°     8 13 mph Brief Showers Possible 87°f 100%
6pm 1ft
2ft 6s 81.25°     3 4 mph Clear 86°f 100%
9pm 1ft
1.7ft 6s 76.47°     3 5 mph Clear 82°f 95%
Tide and daylight times for São Luís, Brazil
Rio Mearim
Low 1:34AM 2.07ft
High 7:46AM 17.71ft
Low 2:00PM 0.85ft
High 8:14PM 16.89ft
First Light 5:36AM
Sunrise 5:58AM
Sunset 5:59PM
Last Light 6:22PM
Wednesday 06/22
12am 1ft
1.5ft 6s 71.62°     4 5 mph Clear 77°f 81%
3am 1ft
1.4ft 6s 69.36° 0.3ft 7s   3 4 mph Clear 75°f 90%
6am 0-1ft
0.8ft 4s 31.79° 1.2ft 6s 0.3ft 7s 1 1 mph Clear 74°f 90%
9am 1ft
1.5ft 6s 70.62° 0.3ft 7s   4 5 mph Sunny 80°f 60%
Noon 0-1ft
1.7ft 3s 79.16° 0.3ft 7s   6 8 mph Sunny 85°f 60%
3pm 0-1ft
1.8ft 4s 81.3° 0.3ft 8s   5 7 mph Heavy Thunderstorms 87°f 81%
6pm 1ft
1.6ft 5s 81.39° 0.7ft 6s   3 4 mph Clear 85°f 81%
9pm 1ft
1.6ft 6s 78.72°     1 1 mph Mostly Clear 83°f 70%
Tide and daylight times for São Luís, Brazil
Rio Mearim
Low 2:13AM 1.9ft
High 8:26AM 17.88ft
Low 2:40PM 0.72ft
High 8:54PM 16.92ft
First Light 5:36AM
Sunrise 5:59AM
Sunset 5:59PM
Last Light 6:22PM
Thursday 06/23
12am 1ft
1.5ft 6s 76.21°     3 4 mph Brief Showers Possible 81°f 70%
3am 1ft
1.6ft 6s 79.94°     1 2 mph Brief Showers Possible 79°f 100%
6am 0-1ft
2ft 6s 88.71°     3 5 mph Mostly Clear 76°f 100%
9am 1ft
2.5ft 7s 92.42°     6 15 mph Sunny 78°f 49%
Noon 0-1ft
2ft 7s 91.44°     8 13 mph Sunny 84°f 49%
3pm 1ft
1.8ft 7s 85.45°     6 11 mph Fair 87°f 100%
6pm 1ft
1.6ft 7s 78.93°     3 4 mph Sunny 85°f 100%
9pm 1ft
1.4ft 7s 74.27°     2 3 mph Mostly Clear 84°f 100%
Tide and daylight times for São Luís, Brazil
Rio Mearim
Low 2:54AM 1.87ft
High 9:07AM 17.84ft
Low 3:22PM 0.82ft
High 9:37PM 16.86ft
First Light 5:36AM
Sunrise 5:59AM
Sunset 6:00PM
Last Light 6:22PM
Friday 06/24
12am 1ft
1.4ft 6s 70.65°     3 4 mph Clear 81°f 100%
3am 1ft
1.4ft 6s 69.21° 0.3ft 8s   4 5 mph Clear 76°f 80%
6am 1ft
1.4ft 4s 69.33° 0.3ft 8s   3 4 mph Mist 74°f 80%
9am 1ft
1.6ft 4s 73.18° 0.4ft 8s   4 10 mph Sunny 80°f 95%
Noon 1ft
2ft 4s 77.26°     6 11 mph Brief Showers Possible 85°f 95%
3pm 1ft
2ft 4s 79.97°     5 9 mph Brief Showers Possible 86°f 100%
6pm 1ft
1.9ft 5s 80.25° 0.3ft 8s   4 5 mph Sunny 85°f 100%
9pm 1ft
1.8ft 5s 78.02° 0.3ft 8s   4 6 mph Clear 80°f 85%
Tide and daylight times for São Luís, Brazil
Rio Mearim
Low 3:38AM 1.97ft
High 9:52AM 17.58ft
Low 4:08PM 1.12ft
High 10:23PM 16.66ft
First Light 5:36AM
Sunrise 5:59AM
Sunset 6:00PM
Last Light 6:22PM

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.

Units ft, mph