Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 201955
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
355 PM EDT THU APR 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...UNSETTLED WEATHER WILL CONTINUE INTO EARLY FRIDAY
MORNING AS LOW PRESSURE...AROUND 29.40 INCHES LIFTS THROUGH THE
REGION. HIGH PRESSURE...AROUND 30.20 INCHES...WILL BUILD OVER THE
AREA BY SATURDAY BRINGING COOLER DRIER CONDITIONS FOR THE WEEKEND.

LHZ361-362-210815-
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-
355 PM EDT THU APR 20 2017

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


$$

LHZ363-462-210815-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
355 PM EDT THU APR 20 2017

.TONIGHT...EAST WINDS 15 TO 20 KNOTS BECOMING SOUTH 10 TO
15 KNOTS LATE IN THE EVENING...THEN BECOMING SOUTHWEST 15 TO
20 KNOTS AFTER MIDNIGHT. SHOWERS LIKELY EARLY IN THE EVENING. A
CHANCE OF THUNDERSTORMS IN THE EVENING. A CHANCE OF SHOWERS LATE
IN THE EVENING. WAVES 5 TO 7 FEET SUBSIDING TO 3 TO 5 FEET AFTER
MIDNIGHT. WAVES OCCASIONALLY AROUND 10 FEET.
.FRIDAY...WEST WINDS 15 TO 20 KNOTS DECREASING TO 10 TO 15 KNOTS
LATE IN THE AFTERNOON. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY
AROUND 8 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 10 TO 15 KNOTS. WAVES 3 TO
5 FEET.
.SATURDAY...NORTH WINDS 10 TO 15 KNOTS DECREASING TO 5 TO
10 KNOTS EARLY IN THE AFTERNOON. WAVES 1 TO 3 FEET.
.SATURDAY NIGHT...LIGHT AND VARIABLE WINDS BECOMING SOUTHWEST
5 TO 10 KNOTS AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.SUNDAY...SOUTHWEST WINDS 5 TO 10 KNOTS VEERING TO THE WEST LATE
IN THE MORNING...THEN BECOMING WEST 5 TO 10 KNOTS LATE IN THE
AFTERNOON DECREASING TO 5 TO 10 KNOTS LATE IN THE EVENING. WAVES
2 FEET OR LESS.
.MONDAY...EAST WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET SUBSIDING
TO 1 TO 3 FEET EARLY IN THE EVENING...THEN BUILDING TO 2 TO
4 FEET IN THE LATE EVENING AND EARLY MORNING.
.TUESDAY...SOUTH WINDS 15 TO 20 KNOTS DECREASING TO 10 TO
15 KNOTS IN THE LATE EVENING AND EARLY MORNING. A CHANCE OF
SHOWERS. WAVES 3 TO 5 FEET.


$$

LHZ463-464-210815-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
355 PM EDT THU APR 20 2017

.TONIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS VEERING TO THE WEST
EARLY IN THE MORNING. SHOWERS AND THUNDERSTORMS EARLY IN THE
EVENING...THEN A CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN THE
EVENING. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET AFTER
MIDNIGHT.
.FRIDAY...WEST WINDS 15 TO 20 KNOTS DECREASING TO 10 TO 15 KNOTS
IN THE AFTERNOON. WAVES 2 TO 4 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 10 TO 15 KNOTS. WAVES 2 TO
4 FEET.
.SATURDAY...NORTH WINDS 10 TO 15 KNOTS. WAVES 1 TO 3 FEET.
.SATURDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS UNTIL EARLY MORNING
BECOMING LIGHT AND VARIABLE. WAVES 2 FEET OR LESS.
.SUNDAY...LIGHT AND VARIABLE WINDS BECOMING WEST 5 TO 10 KNOTS
LATE IN THE MORNING...THEN VEERING TO THE 5 TO 10 KNOTS LATE IN
THE EVENING. WAVES 2 FEET OR LESS.
.MONDAY...EAST WINDS 5 TO 10 KNOTS BECOMING SOUTHEAST 10 TO
15 KNOTS IN THE LATE EVENING AND EARLY MORNING. WAVES 1 TO
3 FEET.
.TUESDAY...SOUTH WINDS 15 TO 20 KNOTS DECREASING TO 10 TO
15 KNOTS IN THE LATE EVENING AND EARLY MORNING. A CHANCE OF
SHOWERS UNTIL EARLY MORNING. WAVES 3 TO 5 FEET SUBSIDING TO 2 TO
4 FEET IN THE LATE EVENING AND EARLY MORNING.


$$

LHZ461-210815-
MAFOR 2021/
HURON NORTH 11246 11336 11410 11510 11620 13720. A CHANCE OF
THUNDERSTORMS THIS EVENING...THEN A CHANCE OF SHOWERS OVERNIGHT.
A CHANCE OF SHOWERS FRIDAY. WAVES 8 TO 12 FEET SUBSIDING TO 3 TO
5 FEET. OCCASIONAL WAVE HEIGHT AROUND 15 FEET TONIGHT. WAVES 3 TO
5 FEET FRIDAY. 210811 210508.

HURON SOUTH 11329 11410 11520 14620 11710. WAVES 3 TO 5 FEET
SUBSIDING TO 2 TO 4 FEET TONIGHT. WAVES 3 TO 5 FEET FRIDAY.
210305 210204.

$$

BT

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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