Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 231502
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
959 AM EST THU FEB 23 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...29.50 INCHES...WILL MOVE FROM FAR
NORTHERN LAKE HURON EARLY THIS MORNING TO QUEBEC BY AFTERNOON. THIS
SYSTEM WILL DRIVE A COLD FRONT INTO THE OHIO VALLEY TONIGHT. LOW
PRESSURE...29.30 INCHES...WILL LIFT INTO IOWA FROM THE SOUTHWEST BY
FRIDAY MORNING. THIS LOW WILL TRACK ACROSS LOWER MICHIGAN FRIDAY
NIGHT AND EXIT NORTHEAST OF THE REGION ON SATURDAY.

LHZ361-232100-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
959 AM EST THU FEB 23 2017

...GALE WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
EVENING...

.REST OF TODAY...NORTHWEST WINDS 10 TO 15 KNOTS. A CHANCE OF RAIN
LATE IN THE MORNING. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET
LATE IN THE AFTERNOON.
.TONIGHT...NORTHWEST WINDS 10 TO 15 KNOTS BECOMING NORTH 5 TO
10 KNOTS IN THE LATE EVENING AND EARLY MORNING, THEN BECOMING
NORTHEAST 10 TO 15 KNOTS EARLY IN THE MORNING. SHOWERS LIKELY
EARLY IN THE MORNING. WAVES 1 TO 3 FEET.
.FRIDAY...EAST WINDS 15 TO 20 KNOTS INCREASING TO 20 TO 25 KNOTS
WITH GUSTS UP TO 35 KNOTS IN THE LATE MORNING AND AFTERNOON.
SHOWERS, SNOW AND A CHANCE OF THUNDERSTORMS. SLEET AND A CHANCE
OF FREEZING RAIN IN THE AFTERNOON. WAVES 3 TO 5 FEET BUILDING TO
6 TO 9 FEET IN THE LATE MORNING AND AFTERNOON. WAVES OCCASIONALLY
AROUND 12 FEET.
.FRIDAY NIGHT...EAST WINDS 20 TO 25 KNOTS WITH GUSTS UP TO
30 KNOTS BECOMING NORTHEAST 10 TO 15 KNOTS. A CHANCE OF FREEZING
RAIN AND SNOW IN THE EVENING. RAIN, SLEET AND A CHANCE OF
THUNDERSTORMS. SNOW LIKELY AFTER MIDNIGHT. WAVES 6 TO 9 FEET
SUBSIDING TO 3 TO 5 FEET AFTER MIDNIGHT. WAVES OCCASIONALLY
AROUND 12 FEET.
.SATURDAY...SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING WEST 15 TO
20 KNOTS WITH GUSTS UP TO 30 KNOTS LATE IN THE MORNING, THEN
INCREASING TO 20 TO 25 KNOTS WITH GUSTS UP TO 35 KNOTS LATE IN
THE AFTERNOON. RAIN, SNOW AND SLEET LIKELY, THEN A CHANCE OF SNOW
LATE IN THE AFTERNOON. WAVES 2 TO 4 FEET BUILDING TO 5 TO 7 FEET.
WAVES OCCASIONALLY AROUND 10 FEET.
.SUNDAY...WEST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO 30 KNOTS
BECOMING SOUTHWEST 10 TO 15 KNOTS UNTIL EARLY MORNING. A CHANCE
OF SNOW IN THE AFTERNOON. SNOW LIKELY IN THE EVENING. WAVES 3 TO
5 FEET.
.MONDAY...WEST WINDS 10 TO 15 KNOTS BECOMING NORTHWEST 5 TO
10 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON, THEN BACKING TO
THE SOUTHWEST EARLY IN THE EVENING VEERING TO THE NORTH IN THE
LATE EVENING AND EARLY MORNING. A CHANCE OF SNOW AFTER MIDNIGHT.
WAVES 2 TO 4 FEET SUBSIDING TO 2 FEET OR LESS.


$$

LHZ363-232100-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
959 AM EST THU FEB 23 2017

.REST OF TODAY...NORTHWEST WINDS 10 TO 15 KNOTS. WAVES 3 TO
5 FEET.
.TONIGHT...NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHEAST 15 TO
20 KNOTS EARLY IN THE MORNING. A CHANCE OF SHOWERS AFTER
MIDNIGHT. SHOWERS AND A CHANCE OF THUNDERSTORMS EARLY IN THE
MORNING. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET EARLY IN THE
MORNING.
.FRIDAY...EAST WINDS 15 TO 20 KNOTS BECOMING NORTHEAST 20 TO
25 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON, THEN BECOMING
EAST 15 TO 20 KNOTS EARLY IN THE AFTERNOON. GUSTS TO 30 KNOTS.
SHOWERS IN THE MORNING. A CHANCE OF THUNDERSTORMS. RAIN IN THE
LATE MORNING AND AFTERNOON. WAVES 4 TO 6 FEET BUILDING TO 8 TO
12 FEET IN THE LATE MORNING AND AFTERNOON. WAVES OCCASIONALLY
AROUND 15 FEET.
.FRIDAY NIGHT...EAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
30 KNOTS VEERING TO THE SOUTH AFTER MIDNIGHT. THUNDERSTORMS
LIKELY UNTIL EARLY MORNING. RAIN. WAVES 6 TO 9 FEET SUBSIDING TO
3 TO 5 FEET AFTER MIDNIGHT. WAVES OCCASIONALLY AROUND 12 FEET.
.SATURDAY...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST 20 TO 25
KNOTS. GUSTS TO 30 KNOTS. RAIN LIKELY AND A CHANCE OF SLEET. A
CHANCE OF SNOW. WAVES 3 TO 5 FEET BUILDING TO 6 TO 9 FEET. WAVES
OCCASIONALLY AROUND 12 FEET.
.SUNDAY...WEST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO 30 KNOTS
BECOMING SOUTHWEST 20 TO 25 KNOTS IN THE LATE EVENING AND EARLY
MORNING. WAVES 5 TO 7 FEET. WAVES OCCASIONALLY AROUND 10 FEET.
.MONDAY...WEST WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
10 KNOTS UNTIL EARLY EVENING, THEN BACKING TO THE SOUTHEAST IN
THE LATE EVENING AND EARLY MORNING. A CHANCE OF SNOW AND RAIN
AFTER MIDNIGHT. WAVES 3 TO 5 FEET SUBSIDING TO 2 FEET OR LESS
UNTIL EARLY MORNING.


$$

LHZ362-232100-
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND
5NM OFF SHORE-
959 AM EST THU FEB 23 2017

...GALE WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
EVENING...

.REST OF TODAY...NORTHWEST WINDS 15 TO 20 KNOTS DECREASING TO
10 TO 15 KNOTS LATE IN THE AFTERNOON. WAVES 3 TO 5 FEET.
.TONIGHT...NORTH WINDS 10 TO 15 KNOTS VEERING TO THE NORTHEAST
EARLY IN THE MORNING. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS EARLY IN THE MORNING. WAVES 1 TO 3 FEET BUILDING TO
2 TO 4 FEET EARLY IN THE MORNING.
.FRIDAY...EAST WINDS 15 TO 20 KNOTS BECOMING NORTHEAST TO
30 KNOTS IN THE LATE MORNING AND AFTERNOON. GUSTS TO 35 KNOT
GALES. SNOW AND SLEET UNTIL LATE AFTERNOON. RAIN AND A CHANCE OF
THUNDERSTORMS. A CHANCE OF FREEZING RAIN LATE IN THE MORNING.
WAVES 5 TO 7 FEET BUILDING TO 8 TO 12 FEET IN THE LATE MORNING
AND AFTERNOON. WAVES OCCASIONALLY AROUND 15 FEET.
.FRIDAY NIGHT...EAST WINDS 20 TO 25 KNOTS WITH GUSTS UP TO
35 KNOTS DECREASING TO 10 TO 15 KNOTS IN THE LATE EVENING AND
OVERNIGHT. A CHANCE OF THUNDERSTORMS UNTIL EARLY MORNING. RAIN.
WAVES 8 TO 12 FEET SUBSIDING TO 3 TO 5 FEET AFTER MIDNIGHT. WAVES
OCCASIONALLY AROUND 15 FEET.
.SATURDAY...SOUTH WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST 20 TO
25 KNOTS LATE IN THE MORNING, THEN BECOMING WEST TO 30 KNOTS LATE
IN THE AFTERNOON. GUSTS TO 35 KNOT GALES. RAIN AND A CHANCE OF
SLEET. A CHANCE OF SNOW. WAVES 3 TO 5 FEET BUILDING TO 6 TO
9 FEET. WAVES OCCASIONALLY AROUND 12 FEET.
.SUNDAY...WEST WINDS 20 TO 25 KNOTS WITH GUSTS UP TO 30 KNOTS
BECOMING SOUTHWEST 15 TO 20 KNOTS. A CHANCE OF SNOW IN THE
AFTERNOON AND EVENING. WAVES 6 TO 9 FEET. WAVES OCCASIONALLY
AROUND 12 FEET.
.MONDAY...WEST WINDS 15 TO 20 KNOTS DECREASING TO 5 TO 10 KNOTS
UNTIL EARLY EVENING, THEN BACKING TO THE SOUTHEAST IN THE LATE
EVENING AND EARLY MORNING. A CHANCE OF SNOW AFTER MIDNIGHT. WAVES
4 TO 6 FEET SUBSIDING TO 2 FEET OR LESS UNTIL EARLY MORNING.
WAVES OCCASIONALLY AROUND 8 FEET.


$$

LHZ462>464-232100-
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-
959 AM EST THU FEB 23 2017

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


$$

LHZ461-232100-
MAFOR 2316/
HURON NORTH 11720 11710 11700 11800 11100 11116 11227
11237. A CHANCE OF THUNDERSTORMS FRIDAY MORNING. WAVES 2 TO 4
FEET THIS AFTERNOON. WAVES 1 TO 3 FEET TONIGHT. WAVES 3 TO 5 FEET
FRIDAY MORNING. 220204.

HURON SOUTH 12710 11810 11800 11110 11116 12226. A CHANCE OF
THUNDERSTORMS OVERNIGHT AND FRIDAY MORNING. WAVES 2 TO 4 FEET
THIS AFTERNOON AND TONIGHT. WAVES 3 TO 5 FEET FRIDAY MORNING.
220204.

$$

MR

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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