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Marine and Coastal Impacts from Imelda; Unsettled Weather in the West

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine conditions and rip currents to much of the East Coast over the next several days. A series of Pacific frontal systems will bring waves of showers and thunderstorms to portions of northern California and the Pacific Northwest through midweek. 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: Wed Oct 1 04:05:03 GMT 2025.

Tonight Wednesday Wednesday Night Thursday
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: Wed Oct 1 04:05:03 GMT 2025.

Tonight Wednesday Wednesday Night Thursday
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: Wed Oct 1 04:05:03 GMT 2025.

Tonight Wednesday Wednesday Night Thursday
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: Wed Oct 1 04:05:03 GMT 2025.

Tonight Wednesday Wednesday Night Thursday
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: Wed Oct 1 04:05:03 GMT 2025.

Tonight Wednesday Wednesday Night Thursday
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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