Great Lakes Forecast
Issued by NWS

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083
FZUS63 KDTX 190756
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
352 AM EDT FRI MAY 19 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...AVERAGING 30.40 INCHES...WILL SLIDE
ACROSS THE NORTHERN GREAT LAKES TODAY AND TONIGHT. THE NEXT LOW
PRESSURE SYSTEM...AVERAGING 29.70 INCHES...WILL THEN LIFT NORTHEAST
THROUGH THE WESTERN GREAT LAKES SATURDAY INTO SUNDAY...BRINGING THE
CHANCE FOR RAIN AND THUNDERSTORMS.

LHZ361-192000-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
352 AM EDT FRI MAY 19 2017

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


$$

LHZ362-363-192000-
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-
352 AM EDT FRI MAY 19 2017

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


$$

LHZ462>464-192000-
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-
352 AM EDT FRI MAY 19 2017

.TODAY...NORTH WINDS 15 TO 20 KNOTS. WAVES 4 TO 6 FEET. WAVES
OCCASIONALLY AROUND 8 FEET.
.TONIGHT...NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHEAST 10 TO
15 KNOTS IN THE LATE EVENING AND OVERNIGHT. WAVES 3 TO 5 FEET.
.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 IN THE LATE EVENING AND OVERNIGHT. 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 VEERING TO THE WEST LATE IN
THE EVENING. SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS 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 AFTERNOON.
.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 EAST
UNTIL EARLY MORNING. A CHANCE OF SHOWERS IN THE AFTERNOON. RAIN
SHOWERS LIKELY UNTIL EARLY MORNING. WAVES 2 FEET OR LESS.


$$

LHZ461-191400-
MAFOR 1909/
HURON NORTH 12810 11800 13700 11100 11210. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET TODAY. WAVES 2 FEET OR LESS TONIGHT.
220204.

HURON SOUTH 12820 14810 12110. WAVES 3 TO 5 FEET TODAY. WAVES 1
TO 3 FEET TONIGHT. 220406.

$$

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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