Alert archive / Wisconsin / Small Craft Advisories in 2021
Small Craft Advisory 21, NWS Green Bay, WI
NWS Green Bay, WI issued this small craft advisory at Mar 17, 2021, 3:18 PM CDT. It took effect at Mar 18, 2021, 7:00 AM CDT. It was in force for 20 hr.
The area
The counties it named.
The facts
- Issued
- Mar 17, 2021, 3:18 PM CDT (20:18 UTC)
- In effect from
- Mar 18, 2021, 7:00 AM CDT
- Expired
- Mar 19, 2021, 2:59 AM CDT
- In force
- 20 hr
- Issued by
- NWS Green Bay, WI
The text
As transmitted.
802 WHUS73 KGRB 172018 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 318 PM CDT Wed Mar 17 2021 LMZ541>543-180430- /O.UPG.KGRB.GL.A.0002.210318T1200Z-210319T0300Z/ /O.NEW.KGRB.GL.W.0004.210318T0900Z-210319T0000Z/ Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 318 PM CDT Wed Mar 17 2021 ...GALE WARNING IN EFFECT FROM 4 AM TO 7 PM CDT THURSDAY... * WHAT...Northeast winds increasing to 20 to 30 knots with gusts up to 35 knots after midnight. Waves building to 4 to 6 feet after midnight, then building to 6 to 9 feet Thursday morning. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan. * WHEN...From 4 AM to 7 PM CDT Thursday. * 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. && $$ LMZ521-522-180430- /O.NEW.KGRB.SC.Y.0021.210318T1200Z-210319T0000Z/ Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 318 PM CDT Wed Mar 17 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM TO 7 PM CDT THURSDAY... * WHAT...Northeast winds increasing to 15 to 25 knots Thursday morning. Waves building to 3 to 5 feet Thursday morning. * WHERE...Central and Southern Bay of Green Bay. * WHEN...From 7 AM to 7 PM CDT Thursday. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...Moving and shifting ice could cause additional hazards to mariners. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Hykin
7 follow-up statements
810 WHUS73 KGRB 180145 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 845 PM CDT Wed Mar 17 2021 LMZ522-180945- /O.UPG.KGRB.SC.Y.0021.210318T1200Z-210319T0000Z/ /O.EXB.KGRB.GL.W.0004.210318T1200Z-210319T0000Z/ Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 845 PM CDT Wed Mar 17 2021 ...GALE WARNING IN EFFECT FROM 7 AM TO 7 PM CDT THURSDAY... * WHAT...Northeast winds increasing to 20 to 30 knots with gale force gusts to around 40 knots. Waves building to 2 to 4 feet. * WHERE...Southern Bay of Green Bay. * WHEN...From 7 AM to 7 PM CDT Thursday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...Moving and shifting ice could cause additional hazards to mariners. 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. && $$ LMZ541>543-180945- /O.CON.KGRB.GL.W.0004.210318T0900Z-210319T0000Z/ Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 845 PM CDT Wed Mar 17 2021 ...GALE WARNING REMAINS IN EFFECT FROM 4 AM TO 7 PM CDT THURSDAY... * WHAT...Northeast winds increasing to 20 to 30 knots with gusts to 35 knots. Waves building to 4 to 6 feet after midnight, then building to 6 to 9 feet Thursday morning. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan. * WHEN...From 4 AM to 7 PM CDT Thursday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ LMZ521-180945- /O.CON.KGRB.SC.Y.0021.210318T1200Z-210319T0000Z/ Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- 845 PM CDT Wed Mar 17 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM TO 7 PM CDT THURSDAY... * WHAT...Northeast winds increasing to 15 to 25 knots with a few gale force gusts to around 35 knots. Waves building to 2 to 4 feet. * WHERE...Central Bay of Green Bay. * WHEN...From 7 AM to 7 PM CDT Thursday. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...Moving and shifting ice could cause additional hazards to mariners. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Hykin
794 WHUS73 KGRB 180810 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 310 AM CDT Thu Mar 18 2021 LMZ541>543-181615- /O.CON.KGRB.GL.W.0004.210318T0900Z-210319T0000Z/ Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 310 AM CDT Thu Mar 18 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Northeast winds increasing to 20 to 30 kts with gusts up to 40 kt and waves 6 to 9 ft expected. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ LMZ522-181615- /O.CON.KGRB.GL.W.0004.210318T1200Z-210319T0000Z/ Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 310 AM CDT Thu Mar 18 2021 ...GALE WARNING REMAINS IN EFFECT FROM 7 AM THIS MORNING TO 7 PM CDT THIS EVENING... * WHAT...Northeast winds increasing to 15 to 25 kt with gale force gusts to 35 kt expected. * WHERE...Southern Bay of Green Bay. * WHEN...From 7 AM this morning to 7 PM CDT this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. Wave heights will depend on the amount of ice in the water. 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. && $$ LMZ521-181615- /O.CON.KGRB.SC.Y.0021.210318T1200Z-210319T0000Z/ Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- 310 AM CDT Thu Mar 18 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM THIS MORNING TO 7 PM CDT THIS EVENING... * WHAT...Northeast winds increasing to 15 to 25 kts with gusts up to 30 kt and waves up to 3 ft expected. * WHERE...Central Bay of Green Bay. * WHEN...From 7 AM this morning to 7 PM CDT this evening. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...Wave heights will depend on amount of ice in the water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
880 WHUS73 KGRB 181527 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 1027 AM CDT Thu Mar 18 2021 LMZ541>543-182330- /O.CON.KGRB.GL.W.0004.000000T0000Z-210319T0000Z/ Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 1027 AM CDT Thu Mar 18 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Northeast 20 to 30 kts with gusts up to 40 kt and waves 6 to 9 ft expected. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan. * WHEN...Until 7 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. && $$ LMZ522-182330- /O.CON.KGRB.GL.W.0004.000000T0000Z-210319T0000Z/ Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 1027 AM CDT Thu Mar 18 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Northeast winds 20 to 25 kt with gale force gusts to 35 kt expected. * WHERE...Southern Bay of Green Bay. * WHEN...Thru 7 PM CDT this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. Wave heights will depend on the amount of ice in the water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ LMZ521-182330- /O.CON.KGRB.SC.Y.0021.000000T0000Z-210319T0000Z/ Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- 1027 AM CDT Thu Mar 18 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Northeast winds increasing to 15 to 25 kts with gusts up to 30 kt and waves up to 3 ft expected. * WHERE...Central Bay of Green Bay. * WHEN...Thru 7 PM CDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
323 WHUS73 KGRB 182052 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 352 PM CDT Thu Mar 18 2021 LMZ541>543-190000- /O.CON.KGRB.GL.W.0004.000000T0000Z-210319T0000Z/ Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 352 PM CDT Thu Mar 18 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Northeast winds 20 to 30 knots with gusts to 40 knots and waves 6 to 9 feet. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ LMZ522-190000- /O.CON.KGRB.GL.W.0004.000000T0000Z-210319T0000Z/ Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 352 PM CDT Thu Mar 18 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Northeast winds 15 to 25 knots with gusts to 35 knots and waves of 2 to 4 feet. * WHERE...Southern Bay of Green Bay. * WHEN...Until 7 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. && $$ LMZ521-190000- /O.CON.KGRB.SC.Y.0021.000000T0000Z-210319T0000Z/ Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- 352 PM CDT Thu Mar 18 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Northeast winds 15 to 25 knots with a few gusts to 30 knots and waves of 2 to 4 feet. * WHERE...Central Bay of Green Bay. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Hykin
083 WHUS73 KGRB 182350 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 650 PM CDT Thu Mar 18 2021 LMZ541>543-190800- /O.EXP.KGRB.GL.W.0004.000000T0000Z-210319T0000Z/ /O.EXB.KGRB.SC.Y.0021.210319T0000Z-210319T1300Z/ Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 650 PM CDT Thu Mar 18 2021 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM CDT FRIDAY... ...GALE WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING... * WHAT...Northeast winds 15 to 25 knots with gusts to 30 knots decreasing to 10 to 20 kts after midnight. Waves 5 to 8 feet subsiding to 4 to 7 feet after midnight. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan. * WHEN...Until 8 AM CDT 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. && $$ LMZ522-190100- /O.EXP.KGRB.GL.W.0004.000000T0000Z-210319T0000Z/ Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 650 PM CDT Thu Mar 18 2021 ...GALE WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING... The threat for gale force gusts has diminished. However, a few gusts to 25 knots are possible over the next few hours. $$ LMZ521-190100- /O.EXP.KGRB.SC.Y.0021.000000T0000Z-210319T0000Z/ Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- 650 PM CDT Thu Mar 18 2021 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 7 PM CDT THIS EVENING... Winds and waves have fallen below small craft advisory criteria, but a few gusts to 25 knots will be possible over the next few hours. $$ Hykin
029 WHUS73 KGRB 190223 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 923 PM CDT Thu Mar 18 2021 LMZ541>543-191030- /O.CON.KGRB.SC.Y.0021.000000T0000Z-210319T1300Z/ Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 923 PM CDT Thu Mar 18 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT FRIDAY... * WHAT...Northeast winds 15 to 25 knots with gusts to 30 knots decreasing to 10 to 20 knots after midnight. Waves of 5 to 8 feet subsiding to 4 to 7 feet after midnight. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan. * WHEN...Until 8 AM CDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Hykin
635 WHUS73 KGRB 190759 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 259 AM CDT Fri Mar 19 2021 LMZ541>543-190900- /O.CAN.KGRB.SC.Y.0021.000000T0000Z-210319T1300Z/ Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 259 AM CDT Fri Mar 19 2021 ...SMALL CRAFT ADVISORY IS CANCELLED... Winds and waves have fallen below advisory criteria. $$
The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 3:22 AM CDT | Gale Watch | GRB | 12 hr | |
| Mar 17, 2:18 PM CDT | Wind Advisory | GRB | Brown, Door, Kewaunee, Manitowoc | 29 hr |
| Mar 17, 3:18 PM CDT | Gale Warning | GRB | 28 hr |
Nearby
Small Craft Advisories in Wisconsin, 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.