Alert archive / Indiana / Small Craft Advisories in 2021

Small Craft Advisory 87, NWS Northern Indiana

December 21, 2021

NWS Northern Indiana issued this small craft advisory at Dec 21, 2021, 4:06 AM EST. It took effect at Dec 21, 2021, 1:00 PM EST. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Dec 21, 2021, 4:06 AM EST (09:06 UTC)
In effect from
Dec 21, 2021, 1:00 PM EST
Expired
Dec 21, 2021, 7:15 PM EST
In force
6 hr
Issued by
NWS Northern Indiana

The text

As transmitted.

217 
WHUS73 KIWX 210906
MWWIWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
406 AM EST Tue Dec 21 2021

LMZ043-046-211715-
/O.NEW.KIWX.SC.Y.0087.211221T1800Z-211223T0000Z/
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
406 AM EST Tue Dec 21 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO
7 PM EST WEDNESDAY...

* WHAT...Southwest winds 15 to 25 kt this afternoon, becoming
  northwest 20 to 30 kt tonight. Waves building to 3 to 5 feet
  this afternoon, and then 5 to 9 feet tonight.

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

* WHEN...From 1 PM this afternoon to 7 PM EST Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
3 follow-up statements
331 
WHUS73 KIWX 211618
MWWIWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
1118 AM EST Tue Dec 21 2021

LMZ043-046-220030-
/O.CON.KIWX.SC.Y.0087.211221T1800Z-211223T0000Z/
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
1118 AM EST Tue Dec 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST
WEDNESDAY...

* WHAT...Southwest winds becoming northwest tonight 15 to 25 kt
  with gusts up to 30 kt. Waves building 3 to 5 feet this
  afternoon, and then 5 to 10 feet; occasionally 13 feet tonight. 

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

* WHEN...From 1 PM EST this afternoon to 7 PM EST Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
482 
WHUS73 KIWX 212011
MWWIWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
311 PM EST Tue Dec 21 2021

LMZ043-046-220415-
/O.CON.KIWX.SC.Y.0087.000000T0000Z-211223T0000Z/
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
311 PM EST Tue Dec 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST
WEDNESDAY...

* WHAT...Southwest winds becoming northwest tonight 15 to 25 kt
  with gusts up to 30 kt. Waves building to 6 to 10 feet,
  occasionally to 13 feet, tonight into Wednesday morning. 

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

* WHEN...Until 7 PM EST Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
620 
WHUS73 KIWX 220015
MWWIWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
715 PM EST Tue Dec 21 2021

LMZ043-046-220815-
/O.UPG.KIWX.SC.Y.0087.000000T0000Z-211223T0000Z/
/O.NEW.KIWX.GL.W.0015.211222T0015Z-211222T0900Z/
/O.NEW.KIWX.SC.Y.0088.211222T0900Z-211223T0000Z/
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
715 PM EST Tue Dec 21 2021

...GALE WARNING IN EFFECT UNTIL 4 AM EST WEDNESDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM TO 7 PM EST
WEDNESDAY...

* WHAT...For the Gale Warning, west winds 20 to 25 kt with gusts 
  up to 35 kt and waves 6 to 9 ft. For the Small Craft Advisory, 
  west winds 15 to 25 kt with gusts up to 30 kt and waves 6 to 9 
  ft expected.

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

* WHEN...For the Gale Warning, until 4 AM EST Wednesday. For the 
  Small Craft Advisory, from 4 AM to 7 PM EST Wednesday.

* 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.

&&

$$

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.