Alert archive / Wisconsin / Small Craft Advisories in 2021
Small Craft Advisory 4, NWS Green Bay, WI
NWS Green Bay, WI issued this small craft advisory at Jan 20, 2021, 4:47 PM CST. It took effect at Jan 20, 2021, 9:09 PM CST. It was in force for 42 hr.
The area
The counties it named.
The facts
- Issued
- Jan 20, 2021, 4:47 PM CST (22:47 UTC)
- In effect from
- Jan 20, 2021, 9:09 PM CST
- Expired
- Jan 22, 2021, 3:00 PM CST
- In force
- 42 hr
- Issued by
- NWS Green Bay, WI
The text
As transmitted.
386 WHUS73 KGRB 202247 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 447 PM CST Wed Jan 20 2021 LMZ522-542-543-210700- /O.UPG.KGRB.SC.Y.0003.000000T0000Z-210122T0600Z/ /O.EXA.KGRB.GL.W.0001.000000T0000Z-210121T0600Z/ /O.NEW.KGRB.SC.Y.0004.210121T0600Z-210122T0600Z/ Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 447 PM CST Wed Jan 20 2021 ...GALE WARNING IN EFFECT UNTIL MIDNIGHT CST TONIGHT... ...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT CST THURSDAY NIGHT... * WHAT...Southwest wind to 30 knots veering west in the evening. Gale force gusts to 40 knots. Waves 6 to 10 feet on the lake and waves 3 to 5 feet on the bay. * WHERE...Green Bay south of line from Oconto WI to Little Sturgeon Bay WI. Lake Michigan nearshore waters from Sturgeon Bay to Sheboygan WI. * WHEN...For the Gale Warning, until midnight CST tonight. For the Small Craft Advisory, from midnight tonight to midnight CST Thursday night. * 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. && $$ LMZ521-541-210700- /O.CON.KGRB.GL.W.0001.000000T0000Z-210121T0600Z/ /O.NEW.KGRB.SC.Y.0004.210121T0600Z-210122T0600Z/ Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Rock Island Passage to Sturgeon Bay WI- 447 PM CST Wed Jan 20 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... ...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT CST THURSDAY NIGHT... * WHAT...Southwest wind to 30 knots veering west in the evening. Gale force gusts to 45 knots in the evening. Waves 6 to 10 feet subsiding to 5 to 8 feet after midnight. * WHERE...Lake Michigan and the bay of Green Bay from Rock Island Passage to Sturgeon Bay. * WHEN...For the Gale Warning, until midnight CST tonight. For the Small Craft Advisory, from midnight tonight to midnight CST Thursday night. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$
7 follow-up statements
338 WHUS73 KGRB 210309 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 909 PM CST Wed Jan 20 2021 LMZ521-522-541>543-211115- /O.CAN.KGRB.GL.W.0001.000000T0000Z-210121T0600Z/ /O.EXT.KGRB.SC.Y.0004.210121T0309Z-210122T0600Z/ 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- Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 909 PM CST Wed Jan 20 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL MIDNIGHT CST THURSDAY NIGHT... ...GALE WARNING IS CANCELLED... * WHAT...West wind to 15 to 25 kts. Gusts to 30 kts. Waves 6 to 10 ft subsiding to 4 to 7 ft on the lake. Waves 4 to 7 ft subsiding to 3 to 5 ft on the bay. * WHERE...Green Bay south of line from Cedar River to Rock Island Passage. Lake Michigan nearshore waters from Rock Island Passage to Sheboygan WI. * WHEN...Until midnight CST Thursday night. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
674 WHUS73 KGRB 211012 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 412 AM CST Thu Jan 21 2021 LMZ521-522-541>543-211815- /O.CON.KGRB.SC.Y.0004.000000T0000Z-210122T0600Z/ Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 412 AM CST Thu Jan 21 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... * WHAT...West winds 15 to 25 knots becoming northwest late this afternoon and evening. Gusts to 30 knots today. Waves of 2 to 4 feet on the bay building to 3 to 5 feet tonight, and waves of 3 to 5 feet on the lake subsiding to 2 to 4 feet tonight. * WHERE...Green Bay south of line from Cedar River to Rock Island Passage. Lake Michigan nearshore waters from Rock Island Passage to Sheboygan WI. * WHEN...Until midnight CST tonight. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Hykin
786 WHUS73 KGRB 211626 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 1026 AM CST Thu Jan 21 2021 LMZ521-522-541>543-220030- /O.CON.KGRB.SC.Y.0004.000000T0000Z-210122T0600Z/ 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- Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 1026 AM CST Thu Jan 21 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... * WHAT...West winds 15 to 25 knots becoming northwest late this afternoon and evening. Gusts to 30 knots today. Waves of 3 to 5 feet subsiding to 2 to 4 feet tonight. * WHERE...Green Bay south of line from Cedar River to Rock Island Passage. Lake Michigan nearshore waters from Rock Island Passage to Sheboygan WI. * WHEN...Until midnight CST tonight. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
466 WHUS73 KGRB 212104 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 304 PM CST Thu Jan 21 2021 LMZ521-522-541>543-220515- /O.EXT.KGRB.SC.Y.0004.000000T0000Z-210122T1200Z/ Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 304 PM CST Thu Jan 21 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 AM CST FRIDAY... * WHAT...Northwest wind 15 to 25 knots. A few Gale force gusts to 35 kts possible this evening. Waves 2 to 4 ft. * WHERE...Green Bay south of line from Cedar River to Rock Island Passage. Lake Michigan nearshore waters from Rock Island Passage to Sheboygan WI. * WHEN...Until 6 AM CST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
113 WHUS73 KGRB 220308 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 908 PM CST Thu Jan 21 2021 LMZ521-522-541>543-221115- /O.CON.KGRB.SC.Y.0004.000000T0000Z-210122T1200Z/ 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- Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 908 PM CST Thu Jan 21 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST FRIDAY... * WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt. Waves 2 to 4 feet. * WHERE...Green Bay south of line from Cedar River to Rock Island Passage. Lake Michigan nearshore waters from Rock Island Passage to Sheboygan WI. * WHEN...Until 6 AM CST 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. && $$
698 WHUS73 KGRB 220955 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 355 AM CST Fri Jan 22 2021 LMZ521-522-541>543-221500- /O.EXT.KGRB.SC.Y.0004.000000T0000Z-210122T1500Z/ Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 355 AM CST Fri Jan 22 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM CST THIS MORNING... * WHAT...Northwest winds 15 to 25 knots decreasing to 10 to 20 knots late this morning. Waves of 3 to 5 feet on the bay subsiding to 2 to 4 feet late this morning, and waves of 2 to 4 feet on the lake. * WHERE...Green Bay south of line from Cedar River to Rock Island Passage. Lake Michigan nearshore waters from Rock Island Passage to Sheboygan WI. * WHEN...Until 9 AM CST this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Hykin
942 WHUS73 KGRB 221450 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 850 AM CST Fri Jan 22 2021 LMZ522-542-543-221600- /O.EXP.KGRB.SC.Y.0004.000000T0000Z-210122T1500Z/ Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 850 AM CST Fri Jan 22 2021 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 9 AM CST THIS MORNING... Wind gusts have subsided below 25 knots, thus the small craft advisory will be allowed to expire at 9 AM. $$ LMZ521-541-222100- /O.EXT.KGRB.SC.Y.0004.000000T0000Z-210122T2100Z/ Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Rock Island Passage to Sturgeon Bay WI- 850 AM CST Fri Jan 22 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... * WHAT...Wind gusts to around 25 knots are expected across the coastal waters of Door County until mid afternoon. Waves of 2 to 4 feet are expected. * WHERE...Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI and Rock Island Passage to Sturgeon Bay WI. * WHEN...Until 3 PM CST this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Eckberg
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.