Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 240247
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
947 PM EST MON FEB 23 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE HURON

WAVES ARE THE SIGNIFICANT WAVE HEIGHT - THE AVERAGE OF THE HIGHEST
1/3 OF THE WAVE SPECTRUM. OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF
THE HIGHEST 1/10 OF THE WAVE SPECTRUM.

.SYNOPSIS...HIGH PRESSURE WILL WEAKEN TO 30.60 INCHES AS IT BECOMES
CENTERED OVER THE OHIO VALLEY TONIGHT. LOW PRESSURE WILL THEN TRACK
THROUGH FAR NORTHERN ONTARIO LATE TONIGHT AND TUESDAY. THIS WILL
PUSH ANOTHER ARCTIC COLD FRONT DOWN ACROSS THE CENTRAL GREAT LAKES
TUESDAY NIGHT.

LHZ361-240930-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
947 PM EST MON FEB 23 2015

...GALE WARNING IN EFFECT FROM 4 AM EST TUESDAY THROUGH TUESDAY
EVENING...

.REST OF TONIGHT...SOUTH WINDS 5 TO 10 KNOTS...INCREASING TO
15 TO 20 KNOTS LATE. A CHANCE OF SNOW BY LATE EVENING... THEN
SNOW LIKELY LATE.
.TUESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS LATE IN THE MORNING...THEN BECOMING WEST 20 TO 25 KNOTS
IN THE AFTERNOON...DIMINISHING TO 15 TO 20 KNOTS LATE. GUSTS TO
35 KNOT GALES. SNOW SHOWERS.
.TUESDAY NIGHT...WEST WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS WITH GUSTS TO 35 KNOT GALES BY MIDNIGHT.
.WEDNESDAY...WEST WINDS 10 TO 15 KNOTS...BECOMING NORTHWEST 15 TO
20 KNOTS. GUSTS TO 30 KNOTS.
.WEDNESDAY NIGHT...NORTHWEST WINDS 10 TO 15 KNOTS...DIMINISHING
TO 5 TO 10 KNOTS BY MIDNIGHT.
.THURSDAY...WEST WINDS 5 TO 10 KNOTS.
.FRIDAY...WEST WINDS 5 TO 10 KNOTS.
.SATURDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. A CHANCE OF SNOW
MAINLY BEFORE MIDNIGHT.

WAVES OMITTED DUE TO ICE COVERAGE.

$$

LHZ362-363-240930-
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-
947 PM EST MON FEB 23 2015

...GALE WARNING IN EFFECT FROM 4 AM EST TUESDAY THROUGH TUESDAY
EVENING...

.REST OF TONIGHT...SOUTH WINDS 10 TO 15 KNOTS...BECOMING
SOUTHWEST 20 TO 25 KNOTS WITH GUSTS TO 40 KNOT GALES LATE. A
CHANCE OF SNOW LATE.
.TUESDAY...SOUTH WINDS TO 30 KNOTS...BECOMING SOUTHWEST 15 TO
20 KNOTS. GUSTS TO 45 KNOT GALES...DIMINISHING TO 35 KNOTS LATE.
A CHANCE OF SNOW SHOWERS EARLY...THEN SNOW SHOWERS LIKELY LATE IN
THE MORNING. SNOW SHOWERS BY AFTERNOON.
.TUESDAY NIGHT...WEST WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS WITH GUSTS TO 35 KNOT GALES BY MIDNIGHT. A CHANCE OF
SNOW SHOWERS IN THE EVENING.
.WEDNESDAY...NORTHWEST WINDS 15 TO 20 KNOTS...DIMINISHING TO
10 TO 15 KNOTS BY MID AFTERNOON. GUSTS TO 30 KNOTS.
.WEDNESDAY NIGHT...NORTHWEST WINDS 10 TO 15 KNOTS.
.THURSDAY...NORTHWEST WINDS 5 TO 10 KNOTS.
.FRIDAY...SOUTHWEST WINDS 5 TO 10 KNOTS.
.SATURDAY...SOUTHWEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS...THEN BECOMING SOUTH 5 TO 10 KNOTS BY LATE EVENING. A
CHANCE OF SNOW MAINLY BEFORE MIDNIGHT.

WAVES OMITTED DUE TO ICE COVERAGE.

$$

LHZ462>464-240930-
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-
947 PM EST MON FEB 23 2015

...GALE WARNING IN EFFECT FROM 4 AM EST TUESDAY THROUGH TUESDAY
EVENING...

.REST OF TONIGHT...SOUTH WINDS 10 TO 15 KNOTS...INCREASING TO
20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS OVERNIGHT.
.TUESDAY...SOUTH WINDS 20 TO 25 KNOTS...INCREASING TO 30 KNOTS
LATE IN THE MORNING...THEN BECOMING SOUTHWEST 20 TO 25 KNOTS IN
THE AFTERNOON...DIMINISHING TO 15 TO 20 KNOTS LATE. GUSTS TO
40 KNOT GALES...DIMINISHING TO 30 KNOTS LATE. A CHANCE OF SNOW
SHOWERS LATE IN THE MORNING. SNOW SHOWERS IN THE AFTERNOON.
.TUESDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS...DIMINISHING TO
5 TO 10 KNOTS BY MIDNIGHT...THEN BECOMING NORTHWEST 10 TO
15 KNOTS LATE. SNOW SHOWERS LIKELY IN THE EVENING.
.WEDNESDAY...NORTHWEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY MID AFTERNOON.
.WEDNESDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS...INCREASING TO
10 TO 15 KNOTS BY MIDNIGHT...THEN DIMINISHING TO 5 TO 10 KNOTS
LATE.
.THURSDAY...NORTHWEST WINDS 5 TO 10 KNOTS.
.FRIDAY...SOUTHWEST WINDS 5 TO 10 KNOTS.
.SATURDAY...SOUTH WINDS 5 TO 10 KNOTS. A CHANCE OF SNOW MAINLY
BEFORE MIDNIGHT.

WAVES OMITTED DUE TO ICE COVERAGE.

$$

LHZ461-240930-
MAFOR 2404/
HURON NORTH...GALE WARNING IN EFFECT...12530 11540 19550 11540
19560 12547 19567 11637 11720. A CHANCE OF SNOW OVERNIGHT. A
CHANCE OF SNOW SHOWERS EARLY TUESDAY AFTERNOON. 22MMMM.

WAVES OMITTED DUE TO ICE COVERAGE.

HURON SOUTH...GALE WARNING IN EFFECT...11420 11430 11430 19450
11440 19450 12547 19567 11527 11517. 22MMMM.

WAVES OMITTED DUE TO ICE COVERAGE.

$$

DG

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)



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