Alert archive / Indiana / Small Craft Advisories in 2021

Small Craft Advisory 47, NWS Northern Indiana

July 31, 2021

NWS Northern Indiana issued this small craft advisory at Jul 31, 2021, 4:35 AM EDT. It took effect at Aug 1, 2021, 5:00 AM EDT. It was in force for 27 hr.

The area

The counties it named.

The facts

Issued
Jul 31, 2021, 4:35 AM EDT (08:35 UTC)
In effect from
Aug 1, 2021, 5:00 AM EDT
Expired
Aug 2, 2021, 8:00 AM EDT
In force
27 hr
Issued by
NWS Northern Indiana

The text

As transmitted.

174 
WHUS73 KIWX 310835
MWWIWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
435 AM EDT Sat Jul 31 2021

LMZ043-046-311645-
/O.NEW.KIWX.SC.Y.0047.210801T0900Z-210802T1200Z/
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
435 AM EDT Sat Jul 31 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM SUNDAY TO 8 AM EDT
MONDAY...

* WHAT...Northwest to north winds at 10 to 20 knots gusting to 25
  knots. Waves 4 to 7 ft.

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

* WHEN...From 5 AM Sunday to 8 AM EDT Monday.

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
8 follow-up statements
309 
WHUS73 KIWX 311509
MWWIWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
1109 AM EDT Sat Jul 31 2021

LMZ043-046-312315-
/O.CON.KIWX.SC.Y.0047.210801T0900Z-210802T1200Z/
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
1109 AM EDT Sat Jul 31 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM SUNDAY TO
8 AM EDT MONDAY...

* WHAT...Northwest to north winds at 10 to 20 knots gusting to 
  25 knots. Waves 4 to 7 ft.

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

* WHEN...From 5 AM Sunday to 8 AM EDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
593 
WHUS73 KIWX 311945
MWWIWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
345 PM EDT Sat Jul 31 2021

LMZ043-046-010345-
/O.CON.KIWX.SC.Y.0047.210801T0900Z-210802T1200Z/
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
345 PM EDT Sat Jul 31 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM SUNDAY TO
8 AM EDT MONDAY...

* WHAT...Northwest to north winds at 10 to 20 knots with a few
  gusts to 25 knots. Waves 4 to 7 ft.

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

* WHEN...From 5 AM Sunday to 8 AM EDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
062 
WHUS73 KIWX 010155
MWWIWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
955 PM EDT Sat Jul 31 2021

LMZ043-046-011000-
/O.CON.KIWX.SC.Y.0047.210801T0900Z-210802T1200Z/
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
955 PM EDT Sat Jul 31 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM SUNDAY TO
8 AM EDT MONDAY...

* WHAT...Northwest to north winds at 10 to 20 knots with a few 
  gusts to 25 knots. Waves 4 to 7 ft.

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

* WHEN...From 5 AM Sunday to 8 AM EDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
640 
WHUS73 KIWX 010821
MWWIWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
421 AM EDT Sun Aug 1 2021

LMZ043-046-011630-
/O.CON.KIWX.SC.Y.0047.210801T0900Z-210802T1200Z/
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
421 AM EDT Sun Aug 1 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY...

* WHAT...Northwest to north winds increasing to 15 to 20 knots
  with gusts to 25 knots this morning. Winds becoming east and 
  diminishing tonight. Waves building rapidly to 4 to 7 ft this 
  morning and then subsiding tonight.

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

* WHEN...From 5 AM this morning to 8 AM EDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
542 
WHUS73 KIWX 011444
MWWIWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
1044 AM EDT Sun Aug 1 2021

LMZ043-046-012245-
/O.CON.KIWX.SC.Y.0047.000000T0000Z-210802T1200Z/
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
1044 AM EDT Sun Aug 1 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY...

* WHAT...Northwest to north winds increasing to 15 to 20 knots 
  with gusts to 25 knots this morning. Winds becoming east and 
  diminishing tonight. Waves building rapidly to 4 to 7 ft this 
  morning and then subsiding tonight.

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

* WHEN...From 5 AM this morning to 8 AM EDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
173 
WHUS73 KIWX 012042
MWWIWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
442 PM EDT Sun Aug 1 2021

LMZ043-046-020430-
/O.CON.KIWX.SC.Y.0047.000000T0000Z-210802T1200Z/
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
442 PM EDT Sun Aug 1 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY...

* WHAT...North winds 10 to 20 knots veering east and diminishing
  after midnight. Waves 4 to 7 ft this evening and then subsiding
  to 2 to 4 feet overnight.

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

* WHEN...Until 8 AM EDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
546 
WHUS73 KIWX 020214
MWWIWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
1014 PM EDT Sun Aug 1 2021

LMZ043-046-021000-
/O.CON.KIWX.SC.Y.0047.000000T0000Z-210802T1200Z/
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
1014 PM EDT Sun Aug 1 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY...

* WHAT...North winds 10 to 20 knots veering east and diminishing
  after midnight. Waves 3 to 5 ft subsiding to 2 to 3 feet late.

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

* WHEN...Until 8 AM EDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
790 
WHUS73 KIWX 020817
MWWIWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
417 AM EDT Mon Aug 2 2021

LMZ043-046-021200-
/O.CON.KIWX.SC.Y.0047.000000T0000Z-210802T1200Z/
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
417 AM EDT Mon Aug 2 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS
MORNING...

* WHAT...East winds 10 to 15 knots diminishing this morning. 
  Waves 3 to 5 feet subsiding to 1 to 3 feet this morning.

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

* WHEN...Until 8 AM EDT Monday.

* 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
Jul 31, 4:32 AM EDTBeach Hazards StatementIWX51 hr

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.