Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 181942
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
342 PM EDT THU MAY 18 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...30.30 INCHES...WILL PUSH IN FROM THE
NORTHERN PLAINS INTO THE NORTHERN GREAT LAKES THROUGH
FRIDAY...BRINGING DRY CONDITIONS AND DIMINISHED WINDS FROM THE N/NE.
LOW PRESSURE...29.70 INCHES...WILL THEN MOVE NORTHEAST FROM KANSAS
INTO NORTHERN WISCONSIN SATURDAY INTO SUNDAY...BRINGING THE CHANCE
FOR RAIN AND THUNDERSTORMS. WINDS WILL START OUT FROM THE EAST ON
SATURDAY AND WILL TURN SOUTHEAST BY SUNDAY...GUSTING BETWEEN 15 - 20
KTS.

LHZ361-190815-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
342 PM EDT THU MAY 18 2017

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


$$

LHZ362-363-190815-
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-
342 PM EDT THU MAY 18 2017

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


$$

LHZ462>464-190815-
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-
342 PM EDT THU MAY 18 2017

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


$$

LHZ461-190815-
MAFOR 1821/
HURON NORTH 11620 11720 12820 12810 11800 11700. A CHANCE OF
SHOWERS THIS EVENING. WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET
TONIGHT. WAVES 1 TO 3 FEET FRIDAY. 210204 210305.

HURON SOUTH 12620 11730 13820 12810. WAVES 2 TO 4 FEET
BUILDING TO 3 TO 5 FEET TONIGHT. WAVES 3 TO 5 FEET FRIDAY.
220204.

$$

SF

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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