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Heavy Rainfall and Flooding in the Southwest and Four Corners; Unsettled Weather in Florida

Heavy to excessive rainfall will continue today across portions of the Southwest and Four Corners Region, leading to flash, urban and small stream flooding. Significant river flooding is expected through Monday. Heavy rainfall is expected across southern and eastern Florida through Monday, with isolated flash flooding possible. Read More >

Marquette, MI

Weather Forecast Office

Marine Hazardous Outlook - Wind and Waves

Weather.gov > Marquette, MI > Marine Hazardous Outlook - Wind and Waves
Current Marine Weather Observations*
Great Lakes Buoy Observations - GLOS
National Data Buoy Center - NDBC
Experimental Great Lakes Observation Page

*Use these links in tandem to see all available marine-related weather observations.

Western Lake Superior Marine Hazards

Last Updated: Mon Sep 21 07:05:05 GMT 2026.

Tonight Monday Monday Night Tuesday
8p 9p 10p 11p 12a 1a 2a 3a 4a 5a 6a 7a 8a 9a 10a 11a 12p 1p 2p 3p 4p 5p 6p 7p 8p 9p 10p 11p 12a 1a 2a 3a 4a 5a 6a 7a 8a 9a 10a 11a 12p 1p 2p 3p 4p 5p 6p 7p

Hour 0

Sample points represent (from top to bottom): Wind Direction and Speed (kts), Wind Gust (kts), and Wave Height (ft)

Marine Hazards Legend
Threat Sustained Wind Speed or Gusts (kts) Wave Height (ft)
None < 15 < 1.5
Kayak Caution 15-18 knots 1.5-2.0 ft
Limited 19-23 knots 2.1-3.9 ft
Elevated 24-33 knots 4.0-6.9 ft
Significant ≥ 34 knots ≥ 7.0 ft

North Central Lake Superior and Isle Royale Marine Hazards

Last Updated: Mon Sep 21 07:05:05 GMT 2026.

Tonight Monday Monday Night Tuesday
8p 9p 10p 11p 12a 1a 2a 3a 4a 5a 6a 7a 8a 9a 10a 11a 12p 1p 2p 3p 4p 5p 6p 7p 8p 9p 10p 11p 12a 1a 2a 3a 4a 5a 6a 7a 8a 9a 10a 11a 12p 1p 2p 3p 4p 5p 6p 7p

Hour 0

Sample points represent (from top to bottom): Wind Direction and Speed (kts), Wind Gust (kts), and Wave Height (ft)

Marine Hazards Legend
Threat Sustained Wind Speed or Gusts (kts) Wave Height (ft)
None < 15 < 1.5
Kayak Caution 15-18 knots 1.5-2.0 ft
Limited 19-23 knots 2.1-3.9 ft
Elevated 24-33 knots 4.0-6.9 ft
Significant ≥ 34 knots ≥ 7.0 ft

South Central Lake Superior Marine Hazards

Last Updated: Mon Sep 21 07:05:05 GMT 2026.

Tonight Monday Monday Night Tuesday
8p 9p 10p 11p 12a 1a 2a 3a 4a 5a 6a 7a 8a 9a 10a 11a 12p 1p 2p 3p 4p 5p 6p 7p 8p 9p 10p 11p 12a 1a 2a 3a 4a 5a 6a 7a 8a 9a 10a 11a 12p 1p 2p 3p 4p 5p 6p 7p

Hour 0

Sample points represent (from top to bottom): Wind Direction and Speed (kts), Wind Gust (kts), and Wave Height (ft)

Marine Hazards Legend
Threat Sustained Wind Speed or Gusts (kts) Wave Height (ft)
None < 15 < 1.5
Kayak Caution 15-18 knots 1.5-2.0 ft
Limited 19-23 knots 2.1-3.9 ft
Elevated 24-33 knots 4.0-6.9 ft
Significant ≥ 34 knots ≥ 7.0 ft

Eastern Lake Superior Marine Hazards

Last Updated: Mon Sep 21 07:05:05 GMT 2026.

Tonight Monday Monday Night Tuesday
8p 9p 10p 11p 12a 1a 2a 3a 4a 5a 6a 7a 8a 9a 10a 11a 12p 1p 2p 3p 4p 5p 6p 7p 8p 9p 10p 11p 12a 1a 2a 3a 4a 5a 6a 7a 8a 9a 10a 11a 12p 1p 2p 3p 4p 5p 6p 7p

Hour 0

Sample points represent (from top to bottom): Wind Direction and Speed (kts), Wind Gust (kts), and Wave Height (ft)

Marine Hazards Legend
Threat Sustained Wind Speed or Gusts (kts) Wave Height (ft)
None < 15 < 1.5
Kayak Caution 15-18 knots 1.5-2.0 ft
Limited 19-23 knots 2.1-3.9 ft
Elevated 24-33 knots 4.0-6.9 ft
Significant ≥ 34 knots ≥ 7.0 ft

Lake Michigan Marine Hazards

Last Updated: Mon Sep 21 07:05:05 GMT 2026.

Tonight Monday Monday Night Tuesday
8p 9p 10p 11p 12a 1a 2a 3a 4a 5a 6a 7a 8a 9a 10a 11a 12p 1p 2p 3p 4p 5p 6p 7p 8p 9p 10p 11p 12a 1a 2a 3a 4a 5a 6a 7a 8a 9a 10a 11a 12p 1p 2p 3p 4p 5p 6p 7p

Marine Hazards Legend
Threat Sustained Wind Speed or Gusts (kts) Wave Height (ft)
None < 15 < 1.5
Kayak Caution 15-18 knots 1.5-2.0 ft
Limited 19-23 knots 2.1-3.9 ft
Elevated 24-33 knots 4.0-6.9 ft
Significant ≥ 34 knots ≥ 7.0 ft
Hour 0

Sample points represent (from top to bottom): Wind Direction and Speed (kts), Wind Gust (kts), and Wave Height (ft)

Marine Hazards Legend
Threat Sustained Wind Speed or Gusts (kts) Wave Height (ft)
None < 15 < 1.5
Kayak Caution 15-18 knots 1.5-2.0 ft
Limited 19-23 knots 2.1-3.9 ft
Elevated 24-33 knots 4.0-6.9 ft
Significant ≥ 34 knots ≥ 7.0 ft

Please provide feedback on this page to our Webmaster: nws.marquette@noaa.gov

 
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