Alert archive / Michigan / Gale Warnings in 2026

Gale Warning 13, NWS Detroit, MI

April 4, 2026

NWS Detroit, MI issued this gale warning at Apr 4, 2026, 8:34 PM EDT. It took effect at Apr 5, 2026, 6:00 AM EDT. It was in force for 14 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 4, 2026, 8:34 PM EDT (00:34 UTC)
In effect from
Apr 5, 2026, 6:00 AM EDT
Expired
Apr 5, 2026, 8:00 PM EDT
In force
14 hr
Issued by
NWS Detroit, MI

The text

As transmitted.

479 
WHUS73 KDTX 050034
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
834 PM EDT Sat Apr 4 2026

LHZ361-362-051500-
/O.UPG.KDTX.GL.A.0009.260405T1000Z-260405T2200Z/
/O.NEW.KDTX.GL.W.0013.260405T1000Z-260406T0000Z/
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond
5NM off shore-
834 PM EDT Sat Apr 4 2026

...GALE WARNING IN EFFECT FROM 6 AM TO 8 PM EDT SUNDAY...

* WHAT...Expect sustained winds up to 26 knots from the west 
  with gusts up to 35 knots. The largest significant waves will 
  be 9 feet with a potential maximum wave height of 13 feet.

* WHERE...Lake Huron from 5NM east of Mackinac Bridge to Presque 
  Isle Lt beyond 5 NM off shore and Lake Huron from Presque Isle 
  Light to Sturgeon Point MI beyond 5NM off shore.

* WHEN...The maximum winds are expected around 12 PM EDT Sunday 
  with the largest waves expected around 4 PM EDT Sunday.

* 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 hazardous conditions.

&&

$$

LHZ421-441-051500-
/O.CON.KDTX.SC.Y.0018.000000T0000Z-260406T0200Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
834 PM EDT Sat Apr 4 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT
SUNDAY...

* WHAT...Expect sustained winds up to 21 knots from the west 
  with gusts up to 30 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 4 AM EDT Sunday 
  with the largest waves expected around 7 AM EDT Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ442-443-051500-
/O.CON.KDTX.SC.Y.0018.000000T0000Z-260406T0200Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
834 PM EDT Sat Apr 4 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT
SUNDAY...

* WHAT...Expect sustained winds up to 18 knots from the west 
  with gusts up to 27 knots. The largest significant waves will 
  be 3 feet with a potential maximum wave height of 4 feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...The maximum winds are expected around 5 PM EDT Sunday 
  with the largest waves expected around 8 PM EDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ422-051500-
/O.CON.KDTX.SC.Y.0018.000000T0000Z-260406T0200Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
834 PM EDT Sat Apr 4 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT
SUNDAY...

* WHAT...Expect sustained winds up to 21 knots from the west 
  with gusts up to 30 knots. The largest significant waves will 
  be 3 feet with a potential maximum wave height of 4 feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 5 AM EDT Sunday 
  with the largest waves expected around 5 AM EDT Sunday.

* 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
169 
WHUS73 KDTX 050700
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
300 AM EDT Sun Apr 5 2026

LHZ361-362-052030-
/O.CON.KDTX.GL.W.0013.260405T1000Z-260406T0000Z/
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond
5NM off shore-
300 AM EDT Sun Apr 5 2026

...GALE WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 8 PM
EDT THIS EVENING...

* WHAT...Expect sustained winds up to 26 knots from the west 
  with gusts up to 35 knots. The largest significant waves will 
  be 9 feet with a potential maximum wave height of 13 feet.

* WHERE...Lake Huron from 5NM east of Mackinac Bridge to Presque 
  Isle Lt beyond 5 NM off shore and Lake Huron from Presque Isle 
  Light to Sturgeon Point MI beyond 5NM off shore.

* WHEN...The maximum winds are expected around 12 PM EDT Sunday 
  with the largest waves expected around 4 PM EDT Sunday.

* 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 hazardous conditions.

&&

$$

LCZ460-LEZ444-052030-
/O.EXB.KDTX.SC.Y.0018.260405T1000Z-260406T0200Z/
Lake St Clair-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
300 AM EDT Sun Apr 5 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM THIS MORNING TO 10 PM
EDT THIS EVENING...

* WHAT...Expect sustained winds up to 19 knots from the west 
  with gusts up to 27 knots. The largest significant waves will 
  be 2 feet with a potential maximum wave height of 3 feet.

* WHERE...In Lake St Clair, Lake St Clair. In Lake Erie, 
  Michigan Waters of Lake Erie from Detroit River to North Cape 
  MI.

* WHEN...The maximum winds are expected around 2 PM EDT Sunday 
  with the largest waves expected around 6 AM EDT Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ421-441-052030-
/O.CON.KDTX.SC.Y.0018.000000T0000Z-260406T0200Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
300 AM EDT Sun Apr 5 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 21 knots from the west 
  with gusts up to 30 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 4 AM EDT Sunday 
  with the largest waves expected around 6 AM EDT Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ442-443-052030-
/O.CON.KDTX.SC.Y.0018.000000T0000Z-260406T0200Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
300 AM EDT Sun Apr 5 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 18 knots from the west 
  with gusts up to 27 knots. The largest significant waves will 
  be 3 feet with a potential maximum wave height of 4 feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...The maximum winds are expected around 5 PM EDT Sunday 
  with the largest waves expected around 5 PM EDT Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ422-052030-
/O.CON.KDTX.SC.Y.0018.000000T0000Z-260406T0200Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
300 AM EDT Sun Apr 5 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 21 knots from the west 
  with gusts up to 30 knots. The largest significant waves will 
  be 3 feet with a potential maximum wave height of 4 feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 5 AM EDT Sunday 
  with the largest waves expected around 5 AM EDT Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
218 
WHUS73 KDTX 051940
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
340 PM EDT Sun Apr 5 2026

LHZ361-362-060000-
/O.CON.KDTX.GL.W.0013.000000T0000Z-260406T0000Z/
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond
5NM off shore-
340 PM EDT Sun Apr 5 2026

...GALE WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING...

* WHAT...Expect sustained winds up to 26 knots from the 
  northwest with gusts up to 35 knots. The largest significant 
  waves will be 9 feet with a potential maximum wave height of 
  13 feet.

* WHERE...Lake Huron from 5NM east of Mackinac Bridge to Presque 
  Isle Lt beyond 5 NM off shore and Lake Huron from Presque Isle 
  Light to Sturgeon Point MI beyond 5NM off shore.

* WHEN...The maximum winds are expected around 4 PM EDT Sunday 
  with the largest waves expected around 4 PM EDT Sunday.

* 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 hazardous conditions.

&&

$$

LHZ421-441-060200-
/O.CON.KDTX.SC.Y.0018.000000T0000Z-260406T0200Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
340 PM EDT Sun Apr 5 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 21 knots from the 
  northwest with gusts up to 28 knots. The largest significant 
  waves will be 4 feet with a potential maximum wave height of 5 
  feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 4 PM EDT Sunday 
  with the largest waves expected around 5 PM EDT Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ442-443-060200-
/O.CON.KDTX.SC.Y.0018.000000T0000Z-260406T0200Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
340 PM EDT Sun Apr 5 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 18 knots from the 
  northwest with gusts up to 25 knots. The largest significant 
  waves will be 3 feet with a potential maximum wave height of 4 
  feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...The maximum winds are expected around 4 PM EDT Sunday 
  with the largest waves expected around 5 PM EDT Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ422-060200-
/O.CON.KDTX.SC.Y.0018.000000T0000Z-260406T0200Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
340 PM EDT Sun Apr 5 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 21 knots from the west 
  with gusts up to 29 knots. The largest significant waves will 
  be 3 feet with a potential maximum wave height of 4 feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 4 PM EDT Sunday 
  with the largest waves expected around 4 PM EDT Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LCZ460-LEZ444-060200-
/O.CON.KDTX.SC.Y.0018.000000T0000Z-260406T0200Z/
Lake St Clair-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
340 PM EDT Sun Apr 5 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 18 knots from the west 
  with gusts up to 26 knots. The largest significant waves will 
  be 2 feet with a potential maximum wave height of 3 feet.

* WHERE...In Lake St Clair, Lake St Clair. In Lake Erie, 
  Michigan Waters of Lake Erie from Detroit River to North Cape 
  MI.

* WHEN...The maximum winds are expected around 4 PM EDT Sunday 
  with the largest waves expected around 4 PM EDT Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
112 
WHUS73 KDTX 060010
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
810 PM EDT Sun Apr 5 2026

LHZ361-362-060115-
/O.EXP.KDTX.GL.W.0013.000000T0000Z-260406T0000Z/
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond
5NM off shore-
810 PM EDT Sun Apr 5 2026

...GALE WARNING HAS EXPIRED...

Northwest wind will continue to subside through the night.

$$

LCZ460-LEZ444-LHZ421-422-441>443-060115-
/O.CAN.KDTX.SC.Y.0018.000000T0000Z-260406T0200Z/
Lake St Clair-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
Port Austin to Harbor Beach MI-Harbor Beach to Port Sanilac MI-
Port Sanilac to Port Huron MI-
810 PM EDT Sun Apr 5 2026

...SMALL CRAFT ADVISORY IS CANCELLED...

West-northwest wind will continue to subside through the night.

$$

What forecasters said that day

The local office's own words before this gale warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Detroit, MI wrote its last area forecast discussion before this gale warning went out at Apr 4, 7:35 PM EDT, 59 minutes earlier. Its key messages:

  • A Flood Watch is in effect for the majority of southeast Michigan as additional rainfall falls on top of ongoing minor flooding and rising rivers.
  • Below normal temperatures Sunday through early next week.
Area forecast discussion, Apr 4, 7:35 PM EDT, 59 minutes before
Area Forecast Discussion
National Weather Service Detroit/Pontiac MI
735 PM EDT Sat Apr 4 2026

.KEY MESSAGES...

- A Flood Watch is in effect for the majority of southeast Michigan
as additional rainfall falls on top of ongoing minor flooding and
rising rivers.

- Below normal temperatures Sunday through early next week.

&&

.AVIATION...

The cold front has passed to the east ending the threat of strong to
severe storms. There is a chance of some light showers passing
northeast through the Detroit area the next hour or two but drier
westerly flow should not allow that to persist long or be impactful.
Gusty westerly flow will continue through the overnight and into
Sunday gradually veering from WSW to WNW. Observations over western
lower show widespread CIGs around 1500ft so will start the forecast
off with MVFR. CIGs will then slowly lift through the night and
should settle around 3kft Sunday afternoon.

.DTW THRESHOLD PROBABILITIES...

*  High for ceiling at or below 5000 ft through Sunday morning. Low
   Sunday evening.

&&

.PREV DISCUSSION...
Issued at 339 PM EDT Sat Apr 4 2026

DISCUSSION...

A couple of near-term items to note, including the issuance of the
Severe Thunderstorm Watch and the Flood Watch. For the Severe
Watch... still looking at a small geographic footprint for severe
weather as the northern edge of a line of storms reaches extreme
southeastern Michigan. Surface instability is still not convincing
compared to counties just a row south, but the main concern is how
the inbound cells will interact with the boundary layer and the
strength of the cold pool that has developed. Storm mode and slight
bowing look to the incoming cell lends to a damaging wind threat if
these storms are still surface based. Highly convergent, backed flow
at the cusp of the marine layer is also a concern for a brief spin
up tornado, which is being monitored closely. There has been brief
rotation observed with these cells. The severe weather threat is
mainly confined to Monroe County with storms elsewhere remaining
elevated (confirmed by backed wind profiles and temperatures still in
the 50s). The severe threat ends as this line moves into Ontario,
likely by 5pm. Flood Watch issuance will be discussed in the
Hydrology section.

Post-frontal cold advection drops h8 temperatures into the negative
single digits tonight, allowing lows to fall into the mid to upper
30s Sunday morning. Multiple shortwave perturbations carve through
the mean flow to reinforce longwave troughing across eastern CONUS
through mid-week, leading to a stretch of below normal temperatures
across the Great Lakes. One such perturbation glances across the
area mid-day Sunday, engaging remnant boundary layer moisture and
instability to generate scattered showers, possibly mixed with
melting snowflakes as highs only reach the low to mid 40s. Breezy
west winds (gusts of 30-35 mph) are also expected tonight-Sunday as
the parent low peels away, only gradually drawing its gradient wind
field with it.

Unsettled weather persists into the early week period as broad
troughing holds steady overhead. This sends a series of progressive
shortwaves into the Great Lakes between late Sunday night and
Tuesday morning. There is a glancing shot for a rain-snow mix early
Monday morning as the first of these waves arrives, although with
minimal impacts as morning lows only briefly touch freezing. Better
opportunity for snowflakes to mix in exists with a second wave
Monday night, but this time with strong cold advection surging in
behind it. Could even see a dusting of accumulation over the Thumb
while temperatures plummet into the low 20s across the state by
Tuesday morning. Both of these waves have only modest
forcing/moisture prospects, but steep mid level lapse rates (nearly
7.0 C/km) could briefly enhance rates at times or result in ice
pellets/graupel development.

High pressure then returns for Tuesday into the mid-week period
while return flow re-establishes the gulf connection for the latter
half of the week.

MARINE...

Broad low pressure passes northeast across the central Great Lakes
this evening. Widespread showers will continue with embedded
thunderstorms focused mainly across western Lake Erie, Lake St.
Clair, and southern Lake Huron. Isolated storms may be strong to
severe through this evening. Southeast wind veers around to
southwest tonight, increasing to 15 to 20 kt with gusts to 25 kt as
cold advection ensues. Wind direction continues veering to westerly
on Sunday, with an uptick in magnitude expected. A Gale Watch has
been issued for northern Lake Huron with gusts to 35 kt increasingly
likely there. Elsewhere, gusts of 20 to 30 kt will be more likely
before wind diminishes and veers to northwest Sunday night. Small
Craft Advisories are in effect for the Lake Huron nearshore waters
through this period. A clipper system passes through on Monday with
an uptick in northwest winds expected Monday night in its wake.
Cooler northwest flow persists into Tuesday.

HYDROLOGY...

Rainfall this morning led to widespread rain totals of 1 to 3
inches, with additional rain moving in this afternoon and early
evening. Reports of areal flooding and rises on area rivers will be
exacerbated by this additional rainfall, which may exceed one inch in
some locations especially in any thunderstorms. A Flood Watch has
been issued to account for the worsening of ongoing flooding issues
with this next round of rain. Several River Flood Warnings are in
effect at issuance. The heavy rainfall threat ends this evening with
drier conditions forecast Sunday through middle of next week.

&&

.DTX WATCHES/WARNINGS/ADVISORIES...
MI...Flood Watch until midnight EDT tonight for MIZ047-048-053>055-
     060>063-068>070-075-076.

Lake Huron...Gale Watch from 6 AM EDT Sunday through Sunday afternoon for LHZ361-
     362.

     Small Craft Advisory until 10 PM EDT Sunday for LHZ421-422-441>443.

Lake St Clair...None.
Michigan waters of Lake Erie...None.
&&

AVIATION.....DRK
DISCUSSION...MV
MARINE.......TF
HYDROLOGY....MV

You can obtain your latest National Weather Service forecasts online
at www.weather.gov/detroit.
Hazardous weather outlook, Apr 4, 4:41 PM EDT, 3 hours 53 minutes before
Hazardous Weather Outlook
National Weather Service Detroit/Pontiac MI
441 PM EDT Sat Apr 4 2026

MIZ047>049-053>055-060>063-068>070-075-076-082-083-052045-
Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee-Lapeer-
St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe-
441 PM EDT Sat Apr 4 2026

This hazardous weather outlook is for southeast Michigan.

.DAY ONE...Tonight

There is a chance for thunderstorms south of I-94 through early this
evening. The primary threat is damaging winds, although a brief spin
up tornado cannot be ruled out. Storm motion will be west to east at
40 mph.

A Flood Watch remains in effect through tonight for the majority of
southeast Michigan. Additional rainfall will exacerbate ongoing
river flooding and minor areal flooding.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is anticipated today and tonight.

LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-052045-
Lake St Clair-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM
off shore-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw
Bay-Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
Port Austin to Harbor Beach MI-Harbor Beach to Port Sanilac MI-
Port Sanilac to Port Huron MI-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
441 PM EDT Sat Apr 4 2026

This hazardous weather outlook is for portions of Lake Erie, Lake
Huron and Lake St Clair.

.DAY ONE...Tonight

There is a chance for thunderstorms south of I-94 through early this
evening. The primary threat is damaging winds, although a brief spin
up tornado cannot be ruled out. Storm motion will be west to east at
40 mph.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

A Gale Watch is in effect for northern Lake Huron Sunday. Please
refer to the latest Marine Weather Message (MWW) for more
information.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is anticipated today and tonight.

You can obtain your latest National Weather Service forecasts online
at www.weather.gov/detroit.

MV

In the hours before

Special weather statement, Apr 4, 5:15 PM EDT, 3 hours 19 minutes before
Special Weather Statement
National Weather Service Detroit/Pontiac MI
515 PM EDT Sat Apr 4 2026

MIZ075-076-082-083-042215-
Lenawee MI-Monroe MI-Washtenaw MI-Wayne MI-
515 PM EDT Sat Apr 4 2026

...STRONG THUNDERSTORMS WILL IMPACT MONROE...WAYNE...LENAWEE AND
WASHTENAW COUNTIES THROUGH 615 PM EDT...

At 514 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from Hartland to near Dexter to near Adrian.
Movement was northeast at 45 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Ann Arbor, Livonia, Taylor, Romulus, Adrian, Monroe, Ypsilanti, Flat
Rock, Saline, Tecumseh, Milan, Grosse Pointe, Chelsea, Dexter,
Dundee, Blissfield, Carleton, Manchester, Downtown Detroit, and
Canton.

People attending Comerica Park  should seek safe shelter immediately!

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
southeastern Michigan.

&&

LAT...LON 4242 8400 4245 8283 4236 8288 4229 8309
      4224 8313 4201 8313 4190 8324 4190 8330
      4184 8335 4172 8341 4171 8417
TIME...MOT...LOC 2114Z 243DEG 40KT 4265 8378 4225 8387 4184 8403

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

AA
Local storm report, Apr 4, 7:15 PM EDT, 1 hour 19 minutes before
Preliminary Local Storm Report
National Weather Service Detroit/Pontiac MI
715 PM EDT Sat Apr 04 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0400 PM     Rain             3 NW Bay City           43.62N  83.92W
04/04/2026  M1.20 inch       Bay                MI   Trained Spotter

            12 hour rainfall total.

0708 PM     Rain             Unionville              43.65N  83.47W
04/04/2026  M1.70 inch       Tuscola            MI   Trained Spotter

            24 hour rainfall total.

0713 PM     Rain             1 S Livonia             42.38N  83.37W
04/04/2026  M1.50 inch       Wayne              MI   Trained Spotter

            19 hour rainfall total.

0714 PM     Rain             3 NW Oakley             43.17N  84.21W
04/04/2026  M1.90 inch       Saginaw            MI   Trained Spotter

            24 hour rainfall total.

&&

Event Number DTX2600363
Event Number DTX2600364
Event Number DTX2600365
Event Number DTX2600366

TF
Local storm report, Apr 4, 7:45 PM EDT, 49 minutes before
Preliminary Local Storm Report
National Weather Service Detroit/Pontiac MI
745 PM EDT Sat Apr 04 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0546 PM     Tstm Wnd Dmg     2 NE Willis             42.18N  83.54W
04/04/2026                   Wayne              MI   Fire Dept/Rescue

            Numerous trees reported down in the Willis/Van Buren
            Twp/Roulo area.

0553 PM     Tstm Wnd Dmg     2 E Belleville          42.21N  83.44W
04/04/2026                   Wayne              MI   Broadcast Media

            Numerous trees and power lines down near E Huron River
            Dr and Haggerty Rd.

&&

Event Number DTX2600367
Event Number DTX2600368

TF
Local storm report, Apr 4, 8:22 PM EDT, 12 minutes before
Preliminary Local Storm Report
National Weather Service Detroit/Pontiac MI
822 PM EDT Sat Apr 4 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0753 PM     Rain             4 N Rankin              42.97N 83.75W
04/04/2026  M1.98 Inch       Genesee            MI   ASOS

            ASOS station KFNT Flint. The period of the
            Rain event was 24 hours.

0753 PM     Rain             1 W Waterford           42.67N 83.42W
04/04/2026  M1.74 Inch       Oakland            MI   ASOS

            ASOS station KPTK Pontiac. The period of the
            Rain event was 24 hours.

0753 PM     Rain             2 ENE Freeland          43.53N 84.08W
04/04/2026  M1.31 Inch       Saginaw            MI   ASOS

            ASOS station KMBS Saginaw. The period of the
            Rain event was 24 hours.

&&
Local storm report, Apr 4, 8:29 PM EDT, 5 minutes before
Preliminary Local Storm Report
National Weather Service Detroit/Pontiac MI
829 PM EDT Sat Apr 04 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0745 PM     Rain             2 N Atkins              43.09N  82.57W
04/04/2026  M2.50 inch       St. Clair          MI   Trained Spotter

            20 hour rainfall total.

0800 PM     Rain             3 NW Croswell           43.30N  82.66W
04/04/2026  M2.11 inch       Sanilac            MI   Trained Spotter

            16 hour rainfall total.

0800 PM     Rain             Ortonville              42.85N  83.44W
04/04/2026  M3.44 inch       Oakland            MI   Public

            20 hour rainfall total.

0800 PM     Rain             4 SW Midland            43.58N  84.29W
04/04/2026  M1.34 inch       Midland            MI   CoCoRaHS

            16 hour rainfall total.

&&

Event Number DTX2600369
Event Number DTX2600370
Event Number DTX2600371
Event Number DTX2600372

drk
Local storm report, Apr 4, 8:32 PM EDT, 2 minutes before
Preliminary Local Storm Report
National Weather Service Detroit/Pontiac MI
832 PM EDT Sat Apr 04 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0800 PM     Rain             4 E White Lake          42.65N  83.43W
04/04/2026  M2.36 inch       Oakland            MI   Official NWS Obs

            18 hour rainfall total.

&&

Event Number DTX2600373

drk

The office that day

Everything else NWS Detroit, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 4, 10:26 PM EDTRiver Flood WarningDTXGenesee7 hr
Apr 4, 10:26 PM EDTRiver Flood WarningDTXMacomb48 hr
Apr 5, 11:17 AM EDTRiver Flood WarningDTXSaginaw, Tuscola39 hr

Nearby

Gale Warnings in Michigan, 2026Every gale warning in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.