Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 200841
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
341 AM EST MON FEB 20 2017

FOR WATERS BEYOND FIVE NAUTICAL MILES OFF 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...30.40 INCHES...WILL MOVE FROM NORTHERN
ONTARIO THIS MORNING TO QUEBEC BY EVENING. DEEPENING LOW PRESSURE
MOVING FROM MANITOBA TO NORTHERN QUEBEC TONIGHT WILL DRIVE A SURFACE
FRONT...AVERAGE PRESSURE 29.90 INCHES...FROM THE UPPER MIDWEST THIS
AFTERNOON TO LAKE HURON TUESDAY AFTERNOON. A FRONTAL BOUNDARY IS
FORECAST TO DROP INTO THE NORTHERN GREAT LAKES ON WEDNESDAY WITH
DEEPENING LOW PRESSURE FORECAST TO TRACK ALONG THE FRONT AND
NORTHEAST OF LAKE HURON BY THURSDAY MORNING.

LHZ361-202115-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
341 AM EST MON FEB 20 2017

.TODAY...EAST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO 20 KNOTS
IN THE LATE MORNING AND AFTERNOON. WAVES 1 TO 3 FEET BUILDING TO
3 TO 5 FEET IN THE AFTERNOON.
.TONIGHT...SOUTHEAST WINDS 20 TO 25 KNOTS DECREASING TO 15 TO
20 KNOTS EARLY IN THE MORNING. SHOWERS AFTER MIDNIGHT. WAVES 5 TO
7 FEET. WAVES OCCASIONALLY AROUND 10 FEET.
.TUESDAY...SOUTHEAST WINDS 10 TO 15 KNOTS EARLY IN THE MORNING
BECOMING LIGHT AND VARIABLE, THEN BECOMING WEST 5 TO 10 KNOTS
EARLY IN THE AFTERNOON. SHOWERS UNTIL LATE AFTERNOON. WAVES 4 TO
6 FEET. WAVES OCCASIONALLY AROUND 8 FEET.
.TUESDAY NIGHT...WEST WINDS 5 TO 10 KNOTS BACKING TO THE
SOUTHWEST IN THE LATE EVENING AND OVERNIGHT. WAVES 1 TO 3 FEET.
.WEDNESDAY...SOUTH WINDS 5 TO 10 KNOTS IN THE MORNING BECOMING
LIGHT AND VARIABLE, THEN BECOMING SOUTHEAST 5 TO 10 KNOTS LATE IN
THE AFTERNOON BECOMING SOUTHWEST 10 TO 15 KNOTS. A CHANCE OF RAIN
LATE IN THE AFTERNOON. WAVES 2 FEET OR LESS.
.THURSDAY...WEST WINDS 10 TO 15 KNOTS VEERING TO THE NORTHWEST IN
THE LATE MORNING AND EARLY AFTERNOON, THEN DECREASING TO 5 TO
10 KNOTS EARLY IN THE EVENING VEERING TO THE NORTH IN THE LATE
EVENING AND EARLY MORNING. WAVES 1 TO 3 FEET.
.FRIDAY...EAST WINDS 10 TO 15 KNOTS INCREASING TO 20 TO 25 KNOTS
WITH GUSTS UP TO 30 KNOTS. RAIN UNTIL AFTERNOON. SHOWERS. SNOW
LIKELY IN THE LATE EVENING AND EARLY MORNING. WAVES 2 TO 4 FEET
BUILDING TO 6 TO 9 FEET. WAVES OCCASIONALLY AROUND 12 FEET.


$$

LHZ362-363-202115-
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-
341 AM EST MON FEB 20 2017

.TODAY...EAST WINDS 10 TO 15 KNOTS. WAVES 1 TO 3 FEET BUILDING TO
2 TO 4 FEET LATE IN THE AFTERNOON.
.TONIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS INCREASING TO 20 TO
25 KNOTS AFTER MIDNIGHT. SHOWERS AFTER MIDNIGHT. WAVES 4 TO
6 FEET BUILDING TO 6 TO 9 FEET EARLY IN THE MORNING. WAVES
OCCASIONALLY AROUND 12 FEET.
.TUESDAY...SOUTH WINDS 20 TO 25 KNOTS DECREASING TO 10 TO
15 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON, THEN BECOMING
SOUTHWEST 5 TO 10 KNOTS EARLY IN THE AFTERNOON. SHOWERS UNTIL
LATE AFTERNOON. WAVES 6 TO 9 FEET SUBSIDING TO 3 TO 5 FEET EARLY
IN THE AFTERNOON. WAVES OCCASIONALLY AROUND 12 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS. WAVES 1 TO
3 FEET.
.WEDNESDAY...SOUTH WINDS 10 TO 15 KNOTS. A CHANCE OF RAIN LATE IN
THE AFTERNOON. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET LATE IN
THE EVENING.
.THURSDAY...SOUTHWEST WINDS 10 TO 15 KNOTS VEERING TO THE NORTH
IN THE LATE EVENING AND EARLY MORNING. A CHANCE OF RAIN AFTER
MIDNIGHT. WAVES 2 TO 4 FEET.
.FRIDAY...EAST WINDS 15 TO 20 KNOTS INCREASING TO 20 TO 25 KNOTS
WITH GUSTS UP TO 35 KNOTS. SHOWERS WITH THUNDERSTORMS LIKELY.
SNOW LIKELY UNTIL EARLY MORNING. WAVES 3 TO 5 FEET BUILDING TO
10 TO 14 FEET. WAVES OCCASIONALLY AROUND 18 FEET.


$$

LHZ462>464-202115-
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-
341 AM EST MON FEB 20 2017

.TODAY...EAST WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR LESS.
.TONIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO
20 KNOTS IN THE LATE EVENING AND OVERNIGHT. WAVES 1 TO 3 FEET
BUILDING TO 4 TO 6 FEET IN THE LATE EVENING AND OVERNIGHT. WAVES
OCCASIONALLY AROUND 8 FEET.
.TUESDAY...SOUTHEAST WINDS 15 TO 20 KNOTS BECOMING SOUTH 10 TO
15 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON, THEN DECREASING
TO 5 TO 10 KNOTS EARLY IN THE AFTERNOON. SHOWERS UNTIL LATE
AFTERNOON. A CHANCE OF SHOWERS LATE IN THE AFTERNOON. WAVES 4 TO
6 FEET SUBSIDING TO 1 TO 3 FEET EARLY IN THE AFTERNOON. WAVES
OCCASIONALLY AROUND 8 FEET.
.TUESDAY NIGHT...SOUTH WINDS 5 TO 10 KNOTS VEERING TO THE WEST IN
THE LATE EVENING AND EARLY MORNING, THEN BACKING TO THE SOUTH
AFTER MIDNIGHT. A CHANCE OF SHOWERS EARLY IN THE EVENING. WAVES
2 FEET OR LESS.
.WEDNESDAY...SOUTH WINDS 5 TO 10 KNOTS INCREASING TO 10 TO
15 KNOTS LATE IN THE AFTERNOON. WAVES 1 TO 3 FEET BUILDING TO
2 TO 4 FEET LATE IN THE EVENING.
.THURSDAY...SOUTHWEST WINDS 10 TO 15 KNOTS VEERING TO THE WEST IN
THE LATE MORNING AND EARLY AFTERNOON, THEN BECOMING NORTH 5 TO
10 KNOTS UNTIL EARLY MORNING. A CHANCE OF RAIN AFTER MIDNIGHT.
WAVES 2 TO 4 FEET.
.FRIDAY...NORTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTHEAST 15 TO
20 KNOTS. RAIN UNTIL AFTERNOON. THUNDERSTORMS LIKELY. SHOWERS.
WAVES 3 TO 5 FEET BUILDING TO 6 TO 9 FEET UNTIL EARLY MORNING.
WAVES OCCASIONALLY AROUND 12 FEET.


$$

LHZ461-202115-
MAFOR 2010/
HURON NORTH 12210 11310 13320 12326. WAVES 1 TO 3 FEET TODAY.
WAVES 3 TO 5 FEET BUILDING TO 5 TO 7 FEET. OCCASIONAL WAVE HEIGHT
AROUND 10 FEET TONIGHT. 220102.

HURON SOUTH 11200 12210 11200 11310 11320 11330 11430.
WAVES 2 FEET OR LESS TODAY. WAVES 1 TO 3 FEET BUILDING TO 4 TO 6
FEET. OCCASIONAL WAVE HEIGHT AROUND 8 FEET TONIGHT. 220102.

$$

JVC

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/DTX/GLFTABLE (ALL LOWER CASE)

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


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