Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4
000
WHUS73 KDTX 242001
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
401 PM EDT MON JUL 24 2017

...GUSTY WIND AND LARGE WAVES CONTINUE THROUGH EVENING...

.NORTHERLY FLOW, GUSTING BETWEEN 20 TO 30 KNOTS OVER THE SOUTHERN
LAKE HURON BASIN, WILL GRADUALLY DIMINISH DURING THE EVENING AS
HIGH PRESSURE BUILDS INTO THE REGION. SOUTHERLY WINDS WILL RETURN
TUESDAY NIGHT AND WEDNESDAY, TOPPING OUT AROUND 20 KNOTS AS
WARMER AIR STREAMS BACK IN AHEAD OF A COLD FRONT, WHICH MAY
TRIGGER SHOWERS AND THUNDERSTORMS WEDNESDAY NIGHT INTO THURSDAY AS
IT SAGS SOUTH.

LHZ421-422-250000-
/O.CON.KDTX.SC.Y.0052.000000T0000Z-170725T0000Z/
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-
401 PM EDT MON JUL 24 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 22 KNOTS FROM THE NORTH WITH GUSTS UP
  TO 28 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 7
  FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 10 FEET.

* TIMING: THE MAXIMUM WINDS AND WAVES ARE EXPECTED DURING MID
  AFTERNOON.

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

LHZ441-250800-
/O.CON.KDTX.SC.Y.0052.000000T0000Z-170725T0800Z/
PORT AUSTIN TO HARBOR BEACH MI-
401 PM EDT MON JUL 24 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT
TUESDAY...

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 23 KNOTS FROM THE NORTH WITH GUSTS UP
  TO 30 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 8
  FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 11 FEET.

* TIMING: THE MAXIMUM WINDS AND WAVES ARE EXPECTED DURING MID
  AFTERNOON.

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

LHZ442-443-250800-
/O.CON.KDTX.SC.Y.0052.000000T0000Z-170725T0800Z/
HARBOR BEACH TO PORT SANILAC MI-PORT SANILAC TO PORT HURON MI-
401 PM EDT MON JUL 24 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT
TUESDAY...

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 23 KNOTS FROM THE NORTH WITH GUSTS UP
  TO 30 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 8
  FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 11 FEET.

* TIMING: THE MAXIMUM WINDS AND WAVES ARE EXPECTED DURING MID
  AFTERNOON.

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

BT



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.