Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 212040
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
340 PM EST WED JAN 21 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...LOW PRESSURE OF 29.90 INCHES CONTINUES TO WEAKEN AND
PUSH EAST TOWARD NEW YORK TONIGHT. HIGH PRESSURE OF 30.50 INCHES
THEN LOOKS TO CONTROL MUCH OF THE GREAT LAKES AND OHIO VALLEY
THURSDAY. A TIGHTENING PRESSURE GRADIENT WILL OCCUR ON FRIDAY WITH
LOW PRESSURE OVER HUDSON BAY BUFFETING THE PREVIOUS HIGH.

LHZ361-362-220915-
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 EST WED JAN 21 2015

.TONIGHT...LIGHT AND VARIABLE WINDS...BECOMING NORTH 5 TO
10 KNOTS LATE IN THE EVENING...THEN BACKING TO THE NORTHWEST
AFTER MIDNIGHT...BECOMING WEST 10 TO 15 KNOTS LATE. WAVES 2 FEET
OR LESS.
.THURSDAY...WEST WINDS 10 TO 15 KNOTS. WAVES 1 TO 3 FEET...
BUILDING TO 2 TO 4 FEET BY AFTERNOON.
.THURSDAY NIGHT...WEST WINDS 10 TO 15 KNOTS...BECOMING SOUTHWEST
15 TO 20 KNOTS LATE. WAVES 2 TO 4 FEET...BUILDING TO 3 TO 5 FEET
LATE.
.FRIDAY...SOUTHWEST WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS BY MID AFTERNOON. WAVES 5 TO 7 FEET. WAVES OCCASIONALLY
AROUND 10 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS...BECOMING WEST
5 TO 10 KNOTS LATE. A CHANCE OF SNOW SHOWERS. WAVES 4 TO 6 FEET.
WAVES OCCASIONALLY AROUND 8 FEET.
.SATURDAY...NORTHWEST WINDS 10 TO 15 KNOTS...BECOMING NORTH 5 TO
10 KNOTS AFTER MIDNIGHT. WAVES 1 TO 3 FEET...BUILDING TO 2 TO
4 FEET.
.SUNDAY...NORTHEAST WINDS 10 TO 15 KNOTS. WAVES 1 TO 3 FEET.
.MONDAY...NORTHEAST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS LATE. WAVES 1 TO 3 FEET.


$$

LHZ363-220915-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
340 PM EST WED JAN 21 2015

.TONIGHT...NORTH WINDS 5 TO 10 KNOTS...BACKING TO THE NORTHWEST
LATE. WAVES 2 FEET OR LESS.
.THURSDAY...WEST WINDS 5 TO 10 KNOTS. WAVES 1 TO 3 FEET...
BUILDING TO 2 TO 4 FEET LATE.
.THURSDAY NIGHT...WEST WINDS 5 TO 10 KNOTS...BECOMING SOUTHWEST
15 TO 20 KNOTS OVERNIGHT. WAVES 2 TO 4 FEET...BUILDING TO 3 TO
5 FEET LATE.
.FRIDAY...SOUTHWEST WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO
25 KNOTS BY LATE MORNING...THEN DIMINISHING TO 15 TO 20 KNOTS BY
MID AFTERNOON. WAVES 5 TO 7 FEET. WAVES OCCASIONALLY AROUND
10 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS...DIMINISHING TO
5 TO 10 KNOTS OVERNIGHT. A CHANCE OF SNOW SHOWERS. WAVES 4 TO
6 FEET. WAVES OCCASIONALLY AROUND 8 FEET.
.SATURDAY...WEST WINDS 5 TO 10 KNOTS...BECOMING NORTHWEST 10 TO
15 KNOTS. WAVES 1 TO 3 FEET...BUILDING TO 2 TO 4 FEET.
.SUNDAY...NORTHEAST WINDS 10 TO 15 KNOTS. WAVES 1 TO 3 FEET.
.MONDAY...NORTHEAST WINDS 10 TO 15 KNOTS...BECOMING NORTH 5 TO
10 KNOTS BY LATE EVENING. WAVES 1 TO 3 FEET.

WAVE HEIGHTS ARE FOR ICE FREE AREAS.

$$

LHZ462>464-220915-
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-
340 PM EST WED JAN 21 2015

.TONIGHT...NORTH WINDS 5 TO 10 KNOTS...BACKING TO THE NORTHWEST
LATE. WAVES 2 FEET OR LESS.
.THURSDAY...WEST WINDS 5 TO 10 KNOTS. WAVES 1 TO 3 FEET.
.THURSDAY NIGHT...WEST WINDS 5 TO 10 KNOTS...BECOMING SOUTHWEST
10 TO 15 KNOTS LATE. WAVES 1 TO 3 FEET...BUILDING TO 2 TO 4 FEET
LATE.
.FRIDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 3 TO 5 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS...DIMINISHING TO
5 TO 10 KNOTS BY MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES 3 TO
5 FEET...SUBSIDING TO 1 TO 3 FEET LATE.
.SATURDAY...SOUTHWEST WINDS 10 TO 15 KNOTS...VEERING TO THE
NORTHWEST. A CHANCE OF SNOW SHOWERS. WAVES 1 TO 3 FEET...BUILDING
TO 2 TO 4 FEET.
.SUNDAY...NORTHEAST WINDS 10 TO 15 KNOTS. WAVES 1 TO 3 FEET.
.MONDAY...NORTHEAST WINDS 10 TO 15 KNOTS...BECOMING NORTH 5 TO
10 KNOTS BY LATE EVENING. WAVES 1 TO 3 FEET.

WAVE HEIGHTS ARE FOR ICE FREE AREAS.

$$

LHZ461-220915-
MAFOR 2122/
HURON NORTH 11100 12800 14710 11610. SCATTERED FLURRIES EARLY
THURSDAY AFTERNOON. WAVES 2 FEET OR LESS TONIGHT. WAVES 1 TO 3
FEET BUILDING TO 2 TO 4 FEET THURSDAY. 220002.

HURON SOUTH 12100 12800 13700 11600. A CHANCE OF SNOW LATE
TONIGHT. SCATTERED FLURRIES EARLY THURSDAY AFTERNOON. WAVES 2
FEET OR LESS. 220002.

WAVE HEIGHTS ARE FOR ICE FREE AREAS.

$$

MM

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



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