Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 221942
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
342 PM EDT MON MAY 22 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...A LOW PRESSURE SYSTEM...AVERAGING 29.70 INCHES...
POSITIONED OVER ONTARIO WILL LIFT SLOWLY NORTHEASTWARD INTO QUEBEC
TONIGHT. MEANWHILE HIGH PRESSURE...AVERAGING 30.00 INCHES...OVER THE
OHIO VALLEY WILL BUILD INTO THE EASTERN GREAT LAKES TONIGHT.
A SECOND WEAK AREA OF LOW PRESSURE DEVELOPING NEAR SOUTHERN LAKE
MICHIGAN ON TUESDAY WILL STRENGTHEN AS IT MOVES SOUTHEASTWARD OVER
THE OHIO VALLEY TUESDAY NIGHT.

LHZ361-230815-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
342 PM EDT MON MAY 22 2017

.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING TO THE SOUTHEAST
AFTER MIDNIGHT...THEN BECOMING LIGHT AND VARIABLE EARLY IN THE
MORNING. WAVES 2 FEET OR LESS.
.TUESDAY...LIGHT AND VARIABLE WINDS. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...LIGHT AND VARIABLE WINDS BECOMING NORTH 5 TO
10 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
WAVES 2 FEET OR LESS.
.WEDNESDAY...NORTHEAST WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS.
WAVES 2 FEET OR LESS.
.WEDNESDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS INCREASING TO
10 TO 15 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS. WAVES 2 FEET
OR LESS.
.THURSDAY...NORTHEAST WINDS 10 TO 15 KNOTS BECOMING NORTH 5 TO
10 KNOTS. A CHANCE OF SHOWERS. WAVES 1 TO 3 FEET.
.FRIDAY...NORTHWEST WINDS 5 TO 10 KNOTS EARLY IN THE MORNING
BECOMING LIGHT AND VARIABLE...THEN BECOMING WEST 5 TO 10 KNOTS IN
THE LATE EVENING AND EARLY MORNING. WAVES 2 FEET OR LESS.
.SATURDAY...LIGHT AND VARIABLE WINDS BECOMING EAST 5 TO 10 KNOTS
EARLY IN THE EVENING...THEN BECOMING LIGHT AND VARIABLE IN THE
LATE EVENING AND EARLY MORNING. A CHANCE OF SHOWERS AFTER
MIDNIGHT. WAVES 2 FEET OR LESS.


$$

LHZ362-363-230815-
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 MON MAY 22 2017

.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS. SCATTERED SHOWERS. WAVES 1
TO 3 FEET.
.TUESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS IN THE MORNING BECOMING
LIGHT AND VARIABLE. SCATTERED SHOWERS AND A CHANCE OF
THUNDERSTORMS. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...LIGHT AND VARIABLE WINDS BECOMING NORTH 5 TO
10 KNOTS AFTER MIDNIGHT. SCATTERED SHOWERS AND A CHANCE OF
THUNDERSTORMS EARLY IN THE EVENING. A CHANCE OF SHOWERS AFTER
MIDNIGHT. WAVES 2 FEET OR LESS.
.WEDNESDAY...NORTHEAST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO
15 KNOTS IN THE LATE MORNING AND AFTERNOON. A CHANCE OF SHOWERS
UNTIL LATE AFTERNOON. WAVES 1 TO 3 FEET.
.WEDNESDAY NIGHT...NORTHEAST WINDS 10 TO 15 KNOTS INCREASING TO
15 TO 20 KNOTS IN THE LATE EVENING AND OVERNIGHT. A CHANCE OF
SHOWERS. WAVES 2 TO 4 FEET.
.THURSDAY...NORTHEAST WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS.
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET LATE IN THE AFTERNOON.
.FRIDAY...NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHWEST 5 TO
10 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON...THEN BECOMING
LIGHT AND VARIABLE UNTIL EARLY MORNING. WAVES 2 FEET OR LESS.
.SATURDAY...LIGHT AND VARIABLE WINDS BECOMING SOUTHEAST 5 TO
10 KNOTS UNTIL EARLY MORNING. A CHANCE OF SHOWERS AFTER MIDNIGHT.
WAVES 2 FEET OR LESS.


$$

LHZ462>464-230815-
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 MON MAY 22 2017

.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. SCATTERED SHOWERS.
WAVES 1 TO 3 FEET.
.TUESDAY...SOUTH WINDS 5 TO 10 KNOTS IN THE MORNING BECOMING
LIGHT AND VARIABLE. SCATTERED SHOWERS AND A CHANCE OF
THUNDERSTORMS. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...EAST WINDS 5 TO 10 KNOTS BACKING TO THE NORTH IN
THE LATE EVENING AND OVERNIGHT. A CHANCE OF THUNDERSTORMS EARLY
IN THE EVENING. A CHANCE OF SHOWERS UNTIL EARLY MORNING. WAVES
2 FEET OR LESS.
.WEDNESDAY...NORTHEAST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO
15 KNOTS EARLY IN THE AFTERNOON. A CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES 1 TO 3 FEET.
.WEDNESDAY NIGHT...NORTHEAST WINDS 10 TO 15 KNOTS. SHOWERS
LIKELY. WAVES 2 TO 4 FEET.
.THURSDAY...EAST WINDS 10 TO 15 KNOTS DECREASING TO 5 TO 10 KNOTS
LATE IN THE MORNING...THEN BECOMING NORTH 10 TO 15 KNOTS LATE IN
THE AFTERNOON. A CHANCE OF SHOWERS. WAVES 1 TO 3 FEET.
.FRIDAY...NORTHWEST WINDS 10 TO 15 KNOTS DECREASING TO 5 TO
10 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON...THEN BECOMING
LIGHT AND VARIABLE UNTIL EARLY MORNING. WAVES 2 FEET OR LESS.
.SATURDAY...LIGHT AND VARIABLE WINDS BECOMING SOUTHEAST 5 TO
10 KNOTS IN THE LATE EVENING AND EARLY MORNING. A CHANCE OF
SHOWERS AFTER MIDNIGHT. WAVES 2 FEET OR LESS.


$$

LHZ461-230815-
MAFOR 2221/
HURON NORTH 11400 12300 11400 11500 11600 12700. WAVES 2
FEET OR LESS. 220202.

HURON SOUTH 12500 11400 12410 12400 11300. SCATTERED SHOWERS
TONIGHT. SCATTERED SHOWERS AND A CHANCE OF THUNDERSTORMS TUESDAY.
WAVES 1 TO 3 FEET. 220203.

$$

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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