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 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
000
WHUS73 KDTX 200803
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
403 AM EDT FRI APR 20 2018

...HIGH WAVES LINGER NEAR THUMB DURING THE MORNING...

.SMALL CRAFT ADVISORIES FOR THE NEARSHORE WATERS OF LAKE HURON FROM
PORT AUSTIN TO HARBOR BEACH WILL REMAIN IN EFFECT THROUGH THIS
MORNING AS NORTHWEST WINDS MAINTAIN ELEVATED WAVE ACTION. A WEAK
PRESSURE GRADIENT WILL RESULT IN LIGHT WINDS. CONDITIONS WILL REMAIN
DRY AS A HIGH PRESSURE DRIFTS ACROSS THE GREAT LAKES THROUGH THE
WEEKEND. WINDS WILL BE SOUTHERLY TO START NEXT WEEK AS THE HIGH
PRESSURE MOVES EAST OF THE GREAT LAKES. THE NEXT SHOT AT UNSETTLED
WEATHER CONDITIONS WILL MID-WEEK NEXT WEEK.

LHZ421-442-443-200915-
/O.CAN.KDTX.SC.Y.0021.000000T0000Z-180420T2000Z/
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-HARBOR BEACH TO PORT SANILAC MI-
PORT SANILAC TO PORT HURON MI-
403 AM EDT FRI APR 20 2018

...SMALL CRAFT ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS CANCELLED THE
SMALL CRAFT ADVISORY.

$$

LHZ441-201400-
/O.EXT.KDTX.SC.Y.0021.000000T0000Z-180420T1400Z/
PORT AUSTIN TO HARBOR BEACH MI-
403 AM EDT FRI APR 20 2018

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM EDT THIS
MORNING...

THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 10 AM EDT THIS
MORNING.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY, EXPECT
  SUSTAINED WINDS UP TO 12 KNOTS FROM THE NORTHWEST WITH GUSTS
  UP TO 15 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL
  BE 5 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 7 FEET.

* TIMING: THE MAXIMUM WINDS AND WAVES ARE EXPECTED DURING EARLY
  MORNING.

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.