Alert archive / Michigan / Small Craft Advisories in 2021
Small Craft Advisory 21, NWS Marquette, MI
NWS Marquette, MI issued this small craft advisory at Mar 11, 2021, 9:27 PM EST. It took effect at Mar 12, 2021, 5:00 AM EST. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Mar 11, 2021, 9:27 PM EST (02:27 UTC)
- In effect from
- Mar 12, 2021, 5:00 AM EST
- Expired
- Mar 12, 2021, 1:00 PM EST
- In force
- 8 hr
- Issued by
- NWS Marquette, MI
The text
As transmitted.
429 WHUS73 KMQT 120227 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 927 PM EST Thu Mar 11 2021 LSZ240>244-263-264-121030- /O.CON.KMQT.GL.W.0009.000000T0000Z-210312T1200Z/ /O.CON.KMQT.UP.W.0006.210312T0800Z-210312T1600Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- Eagle River to Manitou Island MI- Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park- Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- 927 PM EST Thu Mar 11 2021 /827 PM CST Thu Mar 11 2021/ ...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST /6 AM CST/ FRIDAY... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT FROM 3 AM EST /2 AM CST/ TO 11 AM EST /10 AM CST/ FRIDAY... * WHAT...For the Gale Warning, west winds 15 to 25 kt with gusts up to 35 kt becoming northwest winds 20 to 30 kt with gusts up to 40 kt. Waves 7 to 10 ft occurring. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater expected, and may rapidly accumulate on vessels. * WHERE...Portions of Western Lake Superior. * WHEN...For the Gale Warning, until 7 AM EST /6 AM CST/ Friday. For the Heavy Freezing Spray Warning, from 3 AM EST /2 AM CST/ to 11 AM EST /10 AM CST/ Friday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ LSZ245>251-265>267-121030- /O.CON.KMQT.GL.W.0009.000000T0000Z-210312T1800Z/ /O.CON.KMQT.UP.W.0006.210312T1200Z-210312T1800Z/ Manitou Island to Point Isabelle MI- Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays-Huron Islands to Marquette MI- Marquette to Munising MI-Munising to Grand Marais MI- Grand Marais to Whitefish Point MI- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 927 PM EST Thu Mar 11 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 PM EST FRIDAY... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT FROM 7 AM TO 1 PM EST FRIDAY... * WHAT...For the Gale Warning, west winds 20 to 30 kt with gusts up to 35 kt becoming northwest 25 to 35 kt with gusts up to 40 kt. Waves 11 to 16 ft occurring. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater expected, and may rapidly accumulate on vessels. * WHERE...Portions of Central and Eastern Lake Superior. * WHEN...For the Gale Warning, until 1 PM EST Friday. For the Heavy Freezing Spray Warning, from 7 AM to 1 PM EST Friday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ LSZ162-121030- /O.CON.KMQT.GL.W.0009.000000T0000Z-210312T1200Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 927 PM EST Thu Mar 11 2021 /827 PM CST Thu Mar 11 2021/ ...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST /6 AM CST/ FRIDAY... * WHAT...West winds 15 to 25 kt with gusts up to 30 kt becoming northwest winds 15 to 25 kt with gusts up to 35 kt. Waves 3 to 6 ft occurring. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...Until 7 AM EST /6 AM CST/ Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ LMZ248-250-121030- /O.NEW.KMQT.SC.Y.0021.210312T1000Z-210312T1800Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 927 PM EST Thu Mar 11 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM TO 1 PM EST FRIDAY... * WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt expected. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...From 5 AM to 1 PM EST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ TAP
2 follow-up statements
446 WHUS73 KMQT 120846 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 346 AM EST Fri Mar 12 2021 LSZ240>244-263-264-121600- /O.CON.KMQT.GL.W.0009.000000T0000Z-210312T1200Z/ /O.CON.KMQT.UP.W.0006.000000T0000Z-210312T1600Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- Eagle River to Manitou Island MI- Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park- Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- 346 AM EST Fri Mar 12 2021 /246 AM CST Fri Mar 12 2021/ ...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST /6 AM CST/ THIS MORNING... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 11 AM EST /10 AM CST/ THIS MORNING... * WHAT...For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater occurring, and may rapidly accumulate on vessels. For the Gale Warning, northwest winds 20 to 30 kt with gusts up to 40 kt and waves 7 to 10 ft occurring. * WHERE...Portions of Western Lake Superior. * WHEN...For the Heavy Freezing Spray Warning, until 11 AM EST /10 AM CST/ this morning. For the Gale Warning, until 7 AM EST /6 AM CST/ this morning. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ LSZ245>251-265>267-121700- /O.CON.KMQT.GL.W.0009.000000T0000Z-210312T1800Z/ /O.CON.KMQT.UP.W.0006.210312T1200Z-210312T1800Z/ Manitou Island to Point Isabelle MI- Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays-Huron Islands to Marquette MI- Marquette to Munising MI-Munising to Grand Marais MI- Grand Marais to Whitefish Point MI- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 346 AM EST Fri Mar 12 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 PM EST THIS AFTERNOON... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT FROM 7 AM THIS MORNING TO 1 PM EST THIS AFTERNOON... * WHAT...For the Gale Warning, northwest winds 25 to 35 kt with gusts up to 40 kt and waves 11 to 16 ft occurring. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater expected, and may rapidly accumulate on vessels. * WHERE...Portions of Central and Eastern Lake Superior. * WHEN...For the Gale Warning, until 1 PM EST this afternoon. For the Heavy Freezing Spray Warning, from 7 AM this morning to 1 PM EST this afternoon. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ LSZ162-121200- /O.CON.KMQT.GL.W.0009.000000T0000Z-210312T1200Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 346 AM EST Fri Mar 12 2021 /246 AM CST Fri Mar 12 2021/ ...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST /6 AM CST/ THIS MORNING... * WHAT...Northwest winds 15 to 25 kt with gusts up to 35 kt and waves 3 to 6 ft occurring. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...Until 7 AM EST /6 AM CST/ this morning. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ LMZ248-250-121700- /O.CON.KMQT.SC.Y.0021.210312T1000Z-210312T1800Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 346 AM EST Fri Mar 12 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS AFTERNOON... * WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt expected. * WHERE...5NM East of a line from Fairport MI to Rock Island Passage and Seul Choix Point to Point Detour MI. * WHEN...Until 1 PM EST this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ jp
918 WHUS73 KMQT 121532 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 1032 AM EST Fri Mar 12 2021 LSZ240>244-263-264-121645- /O.EXP.KMQT.UP.W.0006.000000T0000Z-210312T1600Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- Eagle River to Manitou Island MI- Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park- Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- 1032 AM EST Fri Mar 12 2021 /932 AM CST Fri Mar 12 2021/ ...HEAVY FREEZING SPRAY WARNING WILL EXPIRE AT 11 AM EST /10 AM CST/ THIS MORNING... $$ LSZ245>251-265>267-121800- /O.CON.KMQT.GL.W.0009.000000T0000Z-210312T1800Z/ /O.CON.KMQT.UP.W.0006.000000T0000Z-210312T1800Z/ Manitou Island to Point Isabelle MI- Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays-Huron Islands to Marquette MI- Marquette to Munising MI-Munising to Grand Marais MI- Grand Marais to Whitefish Point MI- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 1032 AM EST Fri Mar 12 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 PM EST THIS AFTERNOON... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 1 PM EST THIS AFTERNOON... * WHAT...For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater occurring, and may rapidly accumulate on vessels. For the Gale Warning, northwest winds 20 to 30 kt with gusts up to 40 kt and waves 10 to 15 ft occurring. * WHERE...Portions of Central and Eastern Lake Superior. * WHEN...Until 1 PM EST this afternoon. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ LMZ248-250-121800- /O.CON.KMQT.SC.Y.0021.000000T0000Z-210312T1800Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 1032 AM EST Fri Mar 12 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS AFTERNOON... * WHAT...Northwest winds 15 to 20 kt with gusts up to 30 kt occurring. * WHERE...5NM East of a line from Fairport MI to Rock Island Passage and Seul Choix Point to Point Detour MI. * WHEN...Until 1 PM EST this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ BW
Nearby
Small Craft Advisories in Michigan, 2021Every small craft advisory in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.