Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 210847
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
347 AM EST TUE FEB 21 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...LOW PRESSURE...29.30 INCHES...OVER NORTHERN ONTARIO WILL
DEEPEN TO 29.10 INCHES AS IT LIFTS INTO HUDSON BAY BY THIS EVENING.
THIS LOW WILL DRAG A WEAKENING SURFACE FRONT...29.90 INCHES...ACROSS
LAKE HURON THIS AFTERNOON AND INTO LAKE ERIE THIS EVENING. A WEAK
LOW PRESSURE SYSTEM IS THEN FORECAST TO TRACK FROM NORTHERN
MINNESOTA LATE TONIGHT INTO NORTHERN LAKE SUPERIOR ON WEDNESDAY.
DEEPENING LOW PRESSURE IS THEN FORECAST TO LIFT INTO THE REGION FROM
THE SOUTHWEST ON FRIDAY.

LHZ361-212115-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
347 AM EST TUE FEB 21 2017

.TODAY...SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTH 5 TO
10 KNOTS LATE IN THE MORNING, THEN VEERING TO THE SOUTHWEST IN
THE AFTERNOON. SHOWERS UNTIL LATE AFTERNOON. WAVES 3 TO 5 FEET
SUBSIDING TO 1 TO 3 FEET IN THE AFTERNOON.
.TONIGHT...LIGHT AND VARIABLE WINDS BECOMING SOUTHEAST 10 TO
15 KNOTS AFTER MIDNIGHT, THEN DECREASING TO 5 TO 10 KNOTS EARLY
IN THE MORNING. A CHANCE OF DRIZZLE WITH AREAS OF FOG AFTER
MIDNIGHT. WAVES 2 FEET OR LESS.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 10 KNOTS EARLY IN THE MORNING
BECOMING LIGHT AND VARIABLE. A CHANCE OF DRIZZLE EARLY IN THE
MORNING. AREAS OF FOG. WAVES 2 FEET OR LESS.
.WEDNESDAY NIGHT...SOUTH WINDS 5 TO 10 KNOTS BECOMING SOUTHWEST
10 TO 15 KNOTS IN THE LATE EVENING AND OVERNIGHT. A CHANCE OF
RAIN UNTIL EARLY MORNING. AREAS OF FOG IN THE EVENING. WIDESPREAD
FOG AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.THURSDAY...WEST WINDS 10 TO 15 KNOTS BECOMING NORTHWEST 5 TO
10 KNOTS LATE IN THE MORNING, THEN BECOMING NORTHEAST 10 TO
15 KNOTS LATE IN THE EVENING. WIDESPREAD FOG EARLY IN THE
MORNING. A CHANCE OF SNOW LATE IN THE EVENING. WAVES 2 FEET OR
LESS BUILDING TO 5 TO 7 FEET LATE IN THE EVENING. WAVES
OCCASIONALLY AROUND 10 FEET.
.FRIDAY...NORTHEAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO
30 KNOTS DECREASING TO 10 TO 15 KNOTS IN THE LATE EVENING AND
EARLY MORNING. SNOW AND RAIN. WAVES 8 TO 12 FEET SUBSIDING TO
3 TO 5 FEET IN THE LATE EVENING AND EARLY MORNING. WAVES
OCCASIONALLY AROUND 15 FEET.
.SATURDAY...NORTH WINDS 10 TO 15 KNOTS INCREASING TO 20 TO
25 KNOTS WITH GUSTS UP TO 30 KNOTS IN THE LATE MORNING AND EARLY
AFTERNOON, THEN BACKING TO THE NORTHWEST WITH GUSTS UP TO
35 KNOTS EARLY IN THE EVENING DECREASING TO 15 TO 20 KNOTS WITH
GUSTS UP TO 35 KNOTS IN THE LATE EVENING AND EARLY MORNING. RAIN
LIKELY EARLY IN THE MORNING. SNOW UNTIL AFTERNOON, THEN A CHANCE
OF SNOW UNTIL EARLY MORNING. WAVES 2 TO 4 FEET BUILDING TO 6 TO
9 FEET. WAVES OCCASIONALLY AROUND 12 FEET.


$$

LHZ362-363-212115-
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-
347 AM EST TUE FEB 21 2017

.TODAY...SOUTH WINDS 20 TO 25 KNOTS DECREASING TO 5 TO 10 KNOTS.
SHOWERS UNTIL LATE AFTERNOON. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO
3 FEET IN THE AFTERNOON.
.TONIGHT...LIGHT AND VARIABLE WINDS BECOMING SOUTH 10 TO
15 KNOTS. A CHANCE OF DRIZZLE WITH AREAS OF FOG AFTER MIDNIGHT.
WAVES 2 FEET OR LESS.
.WEDNESDAY...SOUTH WINDS 10 TO 15 KNOTS. A CHANCE OF DRIZZLE
EARLY IN THE MORNING. AREAS OF FOG. WAVES 2 FEET OR LESS.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS. AREAS OF FOG
IN THE EVENING. WIDESPREAD FOG AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.THURSDAY...WEST WINDS 10 TO 15 KNOTS VEERING TO THE NORTHEAST
LATE IN THE EVENING. WIDESPREAD FOG EARLY IN THE MORNING. A
CHANCE OF RAIN AND THUNDERSTORMS LATE IN THE AFTERNOON. A CHANCE
OF SNOW LATE IN THE EVENING. WAVES 1 TO 3 FEET BUILDING TO 5 TO
7 FEET LATE IN THE EVENING. WAVES OCCASIONALLY AROUND 10 FEET.
.FRIDAY...NORTHEAST WINDS 15 TO 20 KNOTS. A CHANCE OF
THUNDERSTORMS EARLY IN THE MORNING. RAIN AND SNOW. THUNDERSTORMS
LIKELY. WAVES 8 TO 12 FEET SUBSIDING TO 3 TO 5 FEET IN THE LATE
EVENING AND EARLY MORNING. WAVES OCCASIONALLY AROUND 15 FEET.
.SATURDAY...NORTHEAST WINDS 15 TO 20 KNOTS BECOMING WEST 20 TO
25 KNOTS WITH GUSTS UP TO 35 KNOTS IN THE LATE MORNING AND EARLY
AFTERNOON, THEN BECOMING NORTHWEST TO 30 KNOTS WITH GUSTS UP TO
40 KNOTS EARLY IN THE EVENING DECREASING TO 20 TO 25 KNOTS WITH
GUSTS UP TO 40 KNOTS IN THE LATE EVENING AND EARLY MORNING. RAIN
AND SNOW LIKELY UNTIL AFTERNOON, THEN A CHANCE OF SNOW EARLY IN
THE EVENING. WAVES 3 TO 5 FEET BUILDING TO 8 TO 12 FEET. WAVES
OCCASIONALLY AROUND 15 FEET.


$$

LHZ462>464-212115-
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-
347 AM EST TUE FEB 21 2017

.TODAY...SOUTH WINDS 15 TO 20 KNOTS DECREASING TO 5 TO 10 KNOTS.
SHOWERS LIKELY UNTIL LATE AFTERNOON. A CHANCE OF SHOWERS LATE IN
THE AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING TO 2 FEET OR LESS IN
THE LATE MORNING AND AFTERNOON.
.TONIGHT...LIGHT AND VARIABLE WINDS BECOMING SOUTH 5 TO 10 KNOTS
AFTER MIDNIGHT. A CHANCE OF SHOWERS EARLY IN THE EVENING. A
CHANCE OF DRIZZLE WITH AREAS OF FOG AFTER MIDNIGHT. WAVES 2 FEET
OR LESS.
.WEDNESDAY...SOUTH WINDS 10 TO 15 KNOTS. A CHANCE OF DRIZZLE
EARLY IN THE MORNING. AREAS OF FOG. WAVES 2 FEET OR LESS.
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS. AREAS OF FOG IN
THE EVENING. WIDESPREAD FOG AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.THURSDAY...WEST WINDS 5 TO 10 KNOTS BECOMING NORTHEAST 10 TO
15 KNOTS LATE IN THE EVENING. WIDESPREAD FOG EARLY IN THE
MORNING. A CHANCE OF RAIN AND SNOW LATE IN THE AFTERNOON. A
CHANCE OF THUNDERSTORMS LATE IN THE AFTERNOON. RAIN WITH SNOW
LIKELY LATE IN THE EVENING. WAVES 1 TO 3 FEET BUILDING TO 3 TO
5 FEET LATE IN THE EVENING.
.FRIDAY...EAST WINDS 10 TO 15 KNOTS BECOMING SOUTHEAST 15 TO
20 KNOTS. A CHANCE OF THUNDERSTORMS EARLY IN THE MORNING. RAIN.
THUNDERSTORMS LIKELY IN THE AFTERNOON AND EVENING. WAVES 4 TO
6 FEET. WAVES OCCASIONALLY AROUND 8 FEET.
.SATURDAY...SOUTH WINDS 10 TO 15 KNOTS BECOMING WEST 15 TO
20 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON, THEN BECOMING
NORTHWEST 20 TO 25 KNOTS WITH GUSTS UP TO 35 KNOTS UNTIL EARLY
MORNING. RAIN AND SNOW LIKELY UNTIL AFTERNOON, THEN A CHANCE OF
SNOW AND RAIN EARLY IN THE EVENING. WAVES 1 TO 3 FEET BUILDING TO
8 TO 12 FEET. WAVES OCCASIONALLY AROUND 15 FEET.


$$

LHZ461-212115-
MAFOR 2110/
HURON NORTH 11436 11426 11526 11600 11700 11500 12413. A
CHANCE OF SHOWERS EARLY THIS MORNING. A CHANCE OF DRIZZLE
OVERNIGHT. WAVES 3 TO 5 FEET SUBSIDING TO 2 FEET OR LESS TODAY.
WAVES 2 FEET OR LESS TONIGHT. 210406 210204.

HURON SOUTH 12436 11416 12500 11400 12403. A CHANCE OF
DRIZZLE OVERNIGHT. WAVES 3 TO 5 FEET SUBSIDING TO 2 FEET OR LESS
TODAY. WAVES 2 FEET OR LESS TONIGHT. 210305 210203.

$$

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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