Alert archive / Indiana / Small Craft Advisories in 2021

Small Craft Advisory 39, NWS Northern Indiana

June 20, 2021

NWS Northern Indiana issued this small craft advisory at Jun 20, 2021, 4:49 AM EDT. It took effect at Jun 21, 2021, 2:00 AM EDT. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
Jun 20, 2021, 4:49 AM EDT (08:49 UTC)
In effect from
Jun 21, 2021, 2:00 AM EDT
Expired
Jun 22, 2021, 2:00 AM EDT
In force
24 hr
Issued by
NWS Northern Indiana

The text

As transmitted.

574 
WHUS73 KIWX 200849
MWWIWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
449 AM EDT Sun Jun 20 2021

LMZ043-046-201700-
/O.NEW.KIWX.SC.Y.0039.210621T0600Z-210622T0300Z/
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
449 AM EDT Sun Jun 20 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM TO 11 PM EDT MONDAY...

* WHAT...Winds and waves will be hazardous to small crafts.

* WIND...Southwest wind 15 to 25 knots tonight shifting northwest
  Monday morning. Gusts up to 30 knots throughout the day. 

* WAVES...2 to 5 ft Monday night building to 4 to 7 feet,
  occasionally to 9 feet on Monday.

* WHERE...Michigan City IN to St Joseph MI.

* WHEN...From 2 AM to 11 PM EDT Monday.

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

* ADDITIONAL DETAILS...Strong to severe thunderstorms are expected
  to move over the Lake Michigan waters tonight into early Monday
  morning. Waves will be higher both within and surrounding times
  of thunderstorm activity. Seiche and/or meteotsunami activity is
  possible late tonight into Monday morning, which could cause
  sudden fluctuations in water levels near shore. Monitor the
  latest forecast closely for any watches, warnings, or
  advisories.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

MCD
7 follow-up statements
647 
WHUS73 KIWX 201535
MWWIWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
1135 AM EDT Sun Jun 20 2021

LMZ043-046-202300-
/O.CON.KIWX.SC.Y.0039.210621T0600Z-210622T0300Z/
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
1135 AM EDT Sun Jun 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM TO 11 PM EDT
MONDAY...

* WHAT...Winds and waves will be hazardous to small crafts.

* WIND...Southwest wind 15 to 25 knots tonight shifting 
  northwest Monday morning. Gusts up to 30 knots throughout the 
  day.

* WAVES...2 to 5 ft Monday night building to 4 to 7 feet, 
  occasionally to 9 feet on Monday.

* WHERE...Michigan City IN to St Joseph MI.

* WHEN...From 2 AM to 11 PM EDT Monday.

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

* ADDITIONAL DETAILS...Strong to severe thunderstorms are expected
  to move over the Lake Michigan waters tonight. Waves will be
  higher both within and surrounding times of thunderstorm
  activity. Seiche and/or meteotsunami activity is possible late
  tonight into Monday morning, which could cause sudden
  fluctuations in water levels near shore. Monitor the latest
  forecast closely for any watches, warnings, or advisories. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$
070 
WHUS73 KIWX 202025
MWWIWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
425 PM EDT Sun Jun 20 2021

LMZ043-046-210430-
/O.CON.KIWX.SC.Y.0039.210621T0600Z-210622T0300Z/
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
425 PM EDT Sun Jun 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM TO 11 PM EDT
MONDAY...

* WHAT...Winds and waves will be hazardous to small crafts.

* WIND...Southwest wind 15 to 25 knots tonight shifting 
  northwest Monday morning. Gusts up to 30 knots throughout the 
  day.

* WAVES...2 to 5 ft Monday night building to 4 to 7 feet, 
  occasionally to 9 feet on Monday.

* WHERE...Michigan City IN to St Joseph MI.

* WHEN...From 2 AM to 11 PM EDT Monday.

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

* ADDITIONAL DETAILS...Strong to severe thunderstorms are 
  expected to move over the Lake Michigan waters tonight. Waves 
  will be higher both within and surrounding times of 
  thunderstorm activity. Seiche and/or meteotsunami activity is 
  possible late tonight into Monday morning, which could cause 
  sudden fluctuations in water levels near shore. Monitor the 
  latest forecast closely for any watches, warnings, or 
  advisories.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$
004 
WHUS73 KIWX 210142
MWWIWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
942 PM EDT Sun Jun 20 2021

LMZ043-046-210945-
/O.CON.KIWX.SC.Y.0039.210621T0600Z-210622T0300Z/
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
942 PM EDT Sun Jun 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM TO 11 PM EDT
MONDAY...

* WHAT...Winds and waves will be hazardous to small crafts.

* WIND...Southwest wind 15 to 25 knots tonight shifting 
  northwest Monday morning. Gusts up to 30 knots throughout the 
  day.

* WAVES...Building to 3 to 5 feet tonight and to 4 to 7 feet
  Monday.

* WHERE...Michigan City IN to St Joseph MI.

* WHEN...From 2 AM to 11 PM EDT Monday.

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

* ADDITIONAL DETAILS...Strong to severe thunderstorms are 
  expected to move over the Lake Michigan waters tonight. Waves 
  will be higher both within and surrounding times of 
  thunderstorm activity. Seiche and/or meteotsunami activity is 
  possible late tonight into Monday morning, which could cause 
  sudden fluctuations in water levels near shore. Monitor the 
  latest forecast closely for any watches, warnings, or 
  advisories.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$
749 
WHUS73 KIWX 210813
MWWIWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
413 AM EDT Mon Jun 21 2021

LMZ043-046-211615-
/O.CON.KIWX.SC.Y.0039.000000T0000Z-210622T0300Z/
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
413 AM EDT Mon Jun 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

* WHAT...Winds and waves will be hazardous to small crafts.

* WIND...Northwest wind 15 to 25 knots veering north in the
  afternoon. Gusts up to 33 knots through morning. For tonight,
  north wind 10 to 20 knots veering southeast 5 to 10 knots after
  midnight. 

* WAVES...2 to 6 feet building to 4 to 7 feet, occasionally to 9
  feet. Highest heights will be from New Buffalo to St Joseph, 
  MI.

* WHERE...Michigan City IN to St Joseph MI.

* WHEN...From 2 AM to 11 PM EDT Monday.

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

* ADDITIONAL DETAILS...The strong to severe thunderstorms that
  moved over Lake Michigan last night have led to water level
  fluctuations. This seiche/meteotsunami activity may continue ,
  through the day, dampening with time, and could cause sudden 
  fluctuations in water levels near shore. Monitor the latest 
  forecast closely for any watches, warnings, or advisories.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$
978 
WHUS73 KIWX 211433
MWWIWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
1033 AM EDT Mon Jun 21 2021

LMZ043-046-212245-
/O.CON.KIWX.SC.Y.0039.000000T0000Z-210622T0300Z/
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
1033 AM EDT Mon Jun 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

* WHAT...Winds and waves will be hazardous to small crafts.

* WIND...Northwest wind 15 to 25 knots veering north in the 
  afternoon. Gusts up to 33 knots through morning. For tonight, 
  north wind 10 to 20 knots veering southeast 5 to 10 knots 
  after midnight.

* WAVES...2 to 6 feet building to 4 to 7 feet, occasionally to 9 
  feet. Highest heights will be from New Buffalo to St Joseph, 
  MI.

* WHERE...Michigan City IN to St Joseph MI.

* WHEN...From 2 AM to 11 PM EDT Monday.

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

* ADDITIONAL DETAILS...|The strong to severe thunderstorms that
  moved over Lake Michigan last night have led to water level
  fluctuations. This seiche/meteotsunami activity may continue  
  through the day, dampening with time, and could cause sudden 
  fluctuations in water levels near shore. Monitor the latest 
  forecast closely for any watches, warnings, or advisories.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$
340 
WHUS73 KIWX 211939
MWWIWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
339 PM EDT Mon Jun 21 2021

LMZ043-046-220300-
/O.CON.KIWX.SC.Y.0039.000000T0000Z-210622T0300Z/
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
339 PM EDT Mon Jun 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

* WHAT...Waves 3 to 6 ft.

* WHERE...Michigan City IN to St Joseph MI.

* WHEN...Until 11 PM EDT 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.

&&

$$
459 
WHUS73 KIWX 220240
MWWIWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
1040 PM EDT Mon Jun 21 2021

LMZ043-046-220600-
/O.EXT.KIWX.SC.Y.0039.000000T0000Z-210622T0600Z/
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
1040 PM EDT Mon Jun 21 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM EDT TUESDAY...

* WHAT...Waves 3 to 6 feet subsiding to 2 to 4 feet overnight 
  tonight.

* WHERE...Michigan City IN to St Joseph MI.

* WHEN...Until 2 AM EDT Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 19, 8:16 PM EDTSevere Thunderstorm WarningIWXLaPorte, Saint Joseph44 min
Jun 19, 8:20 PM EDTSevere Thunderstorm WarningIWXElkhart, LaGrange, Saint Joseph40 min
Jun 19, 8:51 PM EDTAreal Flood AdvisoryIWXElkhart, LaGrange, Saint Joseph3 hr
Jun 19, 8:53 PM EDTSevere Thunderstorm WarningIWXLaPorte, Marshall, Saint Joseph, Starke52 min
Jun 19, 9:14 PM EDTAreal Flood AdvisoryIWXLaPorte, Saint Joseph, Starke3 hr
Jun 19, 9:21 PM EDTSevere Thunderstorm WarningIWXSteuben39 min
Jun 19, 9:43 PM EDTSevere Thunderstorm WarningIWXMarshall, Starke47 min
Jun 19, 10:30 PM EDTSevere Thunderstorm WarningIWXPulaski, Starke60 min
Jun 20, 5:12 AM EDTBeach Hazards StatementIWX49 hr
Jun 20, 5:52 PM EDTSevere Thunderstorm WarningIWXLaPorte, Marshall, Saint Joseph, Starke38 min
Jun 20, 5:57 PM EDTSevere Thunderstorm WarningIWXLaPorte, Starke33 min
Jun 20, 6:39 PM EDTSevere Thunderstorm WarningIWXElkhart, Fulton, Kosciusko, Marshall51 min
Jun 20, 6:42 PM EDTSevere Thunderstorm WarningIWXElkhart, Kosciusko, Marshall, Saint Joseph26 min
Jun 20, 6:53 PM EDTSevere Thunderstorm WarningIWXMarshall, Starke22 min
Jun 20, 7:07 PM EDTSevere Thunderstorm WarningIWXElkhart, Kosciusko, Marshall, Saint Joseph23 min
Jun 20, 7:19 PM EDTSevere Thunderstorm WarningIWXElkhart, LaGrange, Noble41 min
Jun 20, 7:47 PM EDTSpecial Marine WarningIWX28 min
Jun 20, 7:49 PM EDTSevere Thunderstorm WarningIWXAllen, DeKalb10 min
Jun 20, 7:29 PM EDTSevere Thunderstorm WarningIWXFulton, Williams31 min
Jun 19, 9:59 PM EDTSevere Thunderstorm WarningIWXHillsdale17 min
Jun 20, 6:58 PM EDTSevere Thunderstorm WarningIWXBerrien, Cass28 min
Jun 20, 7:49 PM EDTSevere Thunderstorm WarningIWXHillsdale26 min
Jun 20, 7:58 PM EDTSevere Thunderstorm WarningIWXBranch, Saint Joseph32 min

Nearby

Small Craft Advisories in Indiana, 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.