Alert archive / Minnesota / Gale Warnings in 2021

Gale Warning 7, NWS Duluth, MN

September 20, 2021

NWS Duluth, MN issued this gale warning at Sep 20, 2021, 4:11 PM CDT. It took effect at Sep 20, 2021, 9:00 PM CDT. It was in force for 10 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Sep 20, 2021, 4:11 PM CDT (21:11 UTC)
In effect from: Sep 20, 2021, 9:00 PM CDT
Expired: Sep 21, 2021, 6:37 AM CDT
In force: 10 hr
Issued by: NWS Duluth, MN

The text

As transmitted.

968 
WHUS73 KDLH 202111
MWWDLH

URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
411 PM CDT Mon Sep 20 2021

LSZ141-142-210915-
/O.EXB.KDLH.SC.Y.0066.210920T2111Z-210921T0200Z/
/O.UPG.KDLH.GL.A.0003.210921T0000Z-210921T1200Z/
/O.NEW.KDLH.GL.W.0007.210921T0200Z-210921T1200Z/
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
411 PM CDT Mon Sep 20 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING...
...GALE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 7 AM CDT
TUESDAY...

* WHAT...For the Gale Warning, northwest winds 10 to 20 kt with
  gusts up to 40 kt and waves 1 to 3 ft expected. For the Small
  Craft Advisory, southwest winds shifting to northwest at 10 to
  15 knots with gusts up to 30 knots and waves 1 to 3 ft.

* WHERE...Grand Marais to Taconite Harbor MN and Taconite Harbor 
  to Silver Bay Harbor MN.

* WHEN...For the Gale Warning, from 9 PM this evening to 7 AM 
  CDT Tuesday. For the Small Craft Advisory, until 9 PM CDT this 
  evening.

* 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.

&&

$$

LSZ140-210915-
/O.EXT.KDLH.SC.Y.0065.000000T0000Z-210921T0200Z/
/O.UPG.KDLH.GL.A.0003.210921T0000Z-210921T1200Z/
/O.NEW.KDLH.GL.W.0007.210921T0200Z-210921T1200Z/
Grand Portage to Grand Marais MN-
411 PM CDT Mon Sep 20 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 PM CDT THIS
EVENING...
...GALE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 7 AM CDT
TUESDAY...

* WHAT...For the Gale Warning, northwest winds 10 to 20 kt with
  gusts up to 45 kt and waves 1 to 3 ft expected. For the Small
  Craft Advisory, south-southwest winds shifting to the northwest
  at 10 to 15 knots with gusts up to 25 knots and waves 2 to 3 
  ft.

* WHERE...Grand Portage to Grand Marais MN.

* WHEN...For the Gale Warning, from 9 PM this evening to 7 AM 
  CDT Tuesday. For the Small Craft Advisory, until 9 PM CDT this 
  evening.

* 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.

&&

$$

LSZ143-210600-
/O.EXT.KDLH.SC.Y.0066.210920T2111Z-210921T0200Z/
/O.NEW.KDLH.GL.W.0007.210921T0200Z-210921T0600Z/
Silver Bay Harbor to Two Harbors MN-
411 PM CDT Mon Sep 20 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 PM CDT THIS
EVENING...
...GALE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 1 AM CDT
TUESDAY...

* WHAT...For the Gale Warning, northwest winds 15 to 20 kt with
  gusts up to 40 kt expected. For the Small Craft Advisory,
  southwest winds shifting to northwest at 10 to 15 knots with
  gusts up to 30 knots and waves 1 to 3 ft.

* WHERE...Silver Bay Harbor to Two Harbors MN.

* WHEN...For the Gale Warning, from 9 PM this evening to 1 AM 
  CDT Tuesday. For the Small Craft Advisory, until 9 PM CDT this 
  evening.

* 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.

&&

$$

LSZ144>146-210915-
/O.CON.KDLH.SC.Y.0065.000000T0000Z-210921T1200Z/
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
Port Wing to Sand Island WI-
411 PM CDT Mon Sep 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT
TUESDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and 
  waves 1 to 4 ft.

* WHERE...Port Wing to Sand Island WI, Two Harbors to Duluth MN 
  and Duluth MN to Port Wing WI.

* WHEN...Until 7 AM CDT Tuesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$

LSZ121-147-148-150-210915-
/O.CON.KDLH.SC.Y.0065.000000T0000Z-210921T1500Z/
Chequamegon Bay-Bayfield to Oak Point WI-
Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI-
Outer Apostle Islands Beyond 5 NM from Mainland-
411 PM CDT Mon Sep 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT
TUESDAY...

* WHAT...West winds 15 to 25 kt with gusts around 30 kt and waves
  2 to 5 ft.

* WHERE...Sand Island to Bayfield WI, Oak Point to Saxon Harbor 
  WI, Chequamegon Bay-Bayfield to Oak Point WI and Outer Apostle 
  Islands Beyond 5 NM from Mainland.

* WHEN...Until 10 AM CDT Tuesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$

4 follow-up statements

947 
WHUS73 KDLH 210254
MWWDLH

URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
954 PM CDT Mon Sep 20 2021

LSZ143-211000-
/O.EXT.KDLH.GL.W.0007.000000T0000Z-210921T1000Z/
Silver Bay Harbor to Two Harbors MN-
954 PM CDT Mon Sep 20 2021

...GALE WARNING NOW IN EFFECT UNTIL 5 AM CDT TUESDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 35 kt.

* WHERE...Silver Bay Harbor to Two Harbors MN.

* WHEN...Until 5 AM CDT Tuesday.

* 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.

&&

$$

LSZ140>142-211200-
/O.CON.KDLH.GL.W.0007.000000T0000Z-210921T1200Z/
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
954 PM CDT Mon Sep 20 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM CDT TUESDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 40 kt.

* WHERE...Taconite Harbor to Silver Bay Harbor MN, Grand Portage 
  to Grand Marais MN and Grand Marais to Taconite Harbor MN.

* WHEN...Until 7 AM CDT Tuesday.

* 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.

&&

$$

LSZ144>146-211200-
/O.CON.KDLH.SC.Y.0065.000000T0000Z-210921T1200Z/
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
Port Wing to Sand Island WI-
954 PM CDT Mon Sep 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT
TUESDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and 
  waves 1 to 3 ft.

* WHERE...Port Wing to Sand Island WI, Two Harbors to Duluth MN 
  and Duluth MN to Port Wing WI.

* WHEN...Until 7 AM CDT Tuesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$

LSZ121-147-148-150-211500-
/O.CON.KDLH.SC.Y.0065.000000T0000Z-210921T1500Z/
Chequamegon Bay-Bayfield to Oak Point WI-
Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI-
Outer Apostle Islands Beyond 5 NM from Mainland-
954 PM CDT Mon Sep 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT
TUESDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and 
  waves 2 to 5 ft.

* WHERE...Sand Island to Bayfield WI, Oak Point to Saxon Harbor 
  WI, Chequamegon Bay-Bayfield to Oak Point WI and Outer Apostle 
  Islands Beyond 5 NM from Mainland.

* WHEN...Until 10 AM CDT Tuesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$

297 
WHUS73 KDLH 210900
MWWDLH

URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
400 AM CDT Tue Sep 21 2021

LSZ143-211000-
/O.CON.KDLH.GL.W.0007.000000T0000Z-210921T1000Z/
Silver Bay Harbor to Two Harbors MN-
400 AM CDT Tue Sep 21 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 5 AM CDT EARLY THIS
MORNING...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 35 kt.

* WHERE...Silver Bay Harbor to Two Harbors MN.

* WHEN...Until 5 AM CDT early 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.

&&

$$

LSZ140>142-211200-
/O.CON.KDLH.GL.W.0007.000000T0000Z-210921T1200Z/
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
400 AM CDT Tue Sep 21 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM CDT THIS MORNING...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 35 kt.

* WHERE...Taconite Harbor to Silver Bay Harbor MN, Grand Portage 
  to Grand Marais MN and Grand Marais to Taconite Harbor MN.

* WHEN...Until 7 AM CDT 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.

&&

$$

LSZ144>146-211200-
/O.CON.KDLH.SC.Y.0065.000000T0000Z-210921T1200Z/
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
Port Wing to Sand Island WI-
400 AM CDT Tue Sep 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT THIS
MORNING...

* WHAT...Northwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 3 ft.

* WHERE...Port Wing to Sand Island WI, Two Harbors to Duluth MN 
  and Duluth MN to Port Wing WI.

* WHEN...Until 7 AM CDT this morning.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$

LSZ121-147-148-150-211500-
/O.CON.KDLH.SC.Y.0065.000000T0000Z-210921T1500Z/
Chequamegon Bay-Bayfield to Oak Point WI-
Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI-
Outer Apostle Islands Beyond 5 NM from Mainland-
400 AM CDT Tue Sep 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS
MORNING...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and 
  waves 1 to 4 ft.

* WHERE...Sand Island to Bayfield WI, Oak Point to Saxon Harbor 
  WI, Chequamegon Bay-Bayfield to Oak Point WI and Outer Apostle 
  Islands Beyond 5 NM from Mainland.

* WHEN...Until 10 AM CDT this morning.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$

877 
WHUS73 KDLH 211012
MWWDLH

URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
512 AM CDT Tue Sep 21 2021

LSZ143-211115-
/O.EXP.KDLH.GL.W.0007.000000T0000Z-210921T1000Z/
Silver Bay Harbor to Two Harbors MN-
512 AM CDT Tue Sep 21 2021

...GALE WARNING HAS EXPIRED...

Winds have decreased and are no longer reaching gale strength.

$$

LSZ140>142-211200-
/O.CON.KDLH.GL.W.0007.000000T0000Z-210921T1200Z/
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
512 AM CDT Tue Sep 21 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM CDT THIS MORNING...

* WHAT...Northwest winds 10 to 15 kt with gusts up to 30 kt.

* WHERE...Taconite Harbor to Silver Bay Harbor MN, Grand Portage 
  to Grand Marais MN and Grand Marais to Taconite Harbor MN.

* WHEN...Until 7 AM CDT 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.

&&

$$

LSZ144>146-211200-
/O.CON.KDLH.SC.Y.0065.000000T0000Z-210921T1200Z/
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
Port Wing to Sand Island WI-
512 AM CDT Tue Sep 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT THIS
MORNING...

* WHAT...Waves 1 to 3 ft.

* WHERE...Port Wing to Sand Island WI, Two Harbors to Duluth MN 
  and Duluth MN to Port Wing WI.

* WHEN...Until 7 AM CDT this morning.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$

LSZ121-147-148-150-211500-
/O.CON.KDLH.SC.Y.0065.000000T0000Z-210921T1500Z/
Chequamegon Bay-Bayfield to Oak Point WI-
Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI-
Outer Apostle Islands Beyond 5 NM from Mainland-
512 AM CDT Tue Sep 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS
MORNING...

* WHAT...Northwest winds 15 to 20 kt with gusts up to 30 kt and 
  waves 1 to 4 ft.

* WHERE...Sand Island to Bayfield WI, Outer Apostle Islands 
  Beyond 5 NM from Mainland, Oak Point to Saxon Harbor WI and 
  Chequamegon Bay-Bayfield to Oak Point WI.

* WHEN...Until 10 AM CDT this morning.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$

189 
WHUS73 KDLH 211137
MWWDLH

URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
637 AM CDT Tue Sep 21 2021

LSZ140-211500-
/O.CAN.KDLH.GL.W.0007.000000T0000Z-210921T1200Z/
/O.NEW.KDLH.SC.Y.0067.210921T1137Z-210921T1500Z/
Grand Portage to Grand Marais MN-
637 AM CDT Tue Sep 21 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...
...GALE WARNING IS CANCELLED...

* WHAT...Winds out of the northwest at 10-15 kts with gusts up to
  25 kts.

* WHERE...Grand Portage to Grand Marais MN.

* WHEN...Until 10 AM CDT this morning.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$

LSZ141-142-211245-
/O.CAN.KDLH.GL.W.0007.000000T0000Z-210921T1200Z/
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
637 AM CDT Tue Sep 21 2021

...GALE WARNING IS CANCELLED...

Winds are no longer at gale force, so warning was cancelled.

$$

LSZ144>146-211245-
/O.EXP.KDLH.SC.Y.0065.000000T0000Z-210921T1200Z/
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
Port Wing to Sand Island WI-
637 AM CDT Tue Sep 21 2021

...SMALL CRAFT ADVISORY WILL EXPIRE AT 7 AM CDT THIS MORNING...

Winds are no longer gusting over 22 kts.

$$

LSZ121-147-148-150-211500-
/O.CON.KDLH.SC.Y.0065.000000T0000Z-210921T1500Z/
Chequamegon Bay-Bayfield to Oak Point WI-
Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI-
Outer Apostle Islands Beyond 5 NM from Mainland-
637 AM CDT Tue Sep 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS
MORNING...

* WHAT...Northwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 4 ft.

* WHERE...Sand Island to Bayfield WI, Outer Apostle Islands 
  Beyond 5 NM from Mainland, Oak Point to Saxon Harbor WI and 
  Chequamegon Bay-Bayfield to Oak Point WI.

* WHEN...Until 10 AM CDT this morning.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$

The office that day

Everything else NWS Duluth, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 19, 10:01 PM CDT	Small Craft Advisory	DLH		23 hr
Sep 20, 3:16 AM CDT	Special Weather Statement	DLH	Crow Wing	29 min
Sep 20, 3:49 AM CDT	Gale Watch	DLH		12 hr
Sep 20, 4:28 AM CDT	Special Weather Statement	DLH	Aitkin	32 min
Sep 20, 5:04 AM CDT	Special Weather Statement	DLH	Aitkin	26 min
Sep 20, 5:30 AM CDT	Special Weather Statement	DLH	Aitkin	30 min
Sep 20, 7:13 AM CDT	Areal Flood Advisory	DLH	Aitkin, Itasca	4 hr
Sep 20, 5:48 PM CDT	Special Marine Warning	DLH		57 min
Sep 20, 6:25 PM CDT	Special Marine Warning	DLH		65 min
Sep 20, 6:42 PM CDT	Special Marine Warning	DLH		33 min
Sep 20, 4:51 PM CDT	Special Weather Statement	DLH	Washburn	24 min
Sep 20, 4:59 PM CDT	Tornado Warning	DLH	Bayfield, Douglas, Sawyer, Washburn	31 min
Sep 20, 5:04 PM CDT	Tornado Warning	DLH	Bayfield, Douglas	26 min
Sep 20, 5:24 PM CDT	Tornado Warning	DLH	Bayfield	36 min
Sep 20, 5:29 PM CDT	Tornado Warning	DLH	Bayfield	31 min
Sep 20, 5:49 PM CDT	Areal Flood Warning	DLH	Bayfield, Douglas	3 hr
Sep 20, 5:52 PM CDT	Tornado Warning	DLH	Ashland, Bayfield	23 min
Sep 20, 5:57 PM CDT	Severe Thunderstorm Warning	DLH	Ashland, Bayfield, Iron, Sawyer	63 min
Sep 20, 6:31 PM CDT	Special Weather Statement	DLH	Sawyer	29 min

Nearby

Gale Warnings in Minnesota, 2021 Every gale warning 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.