Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 211941
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
338 PM EDT SUN MAY 21 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...OVER
LAKE SUPERIOR WILL LIFT SLOWLY NORTHEASTWARD INTO ONTARIO ON MONDAY.
MEANWHILE HIGH PRESSURE...AVERAGING 30.00 INCHES...OVER THE OHIO
VALLEY WILL BUILD INTO THE EASTERN GREAT LAKES ON MONDAY. A SECOND
LOW WILL THEN DEVELOP OVER LAKE MICHIGAN ON TUESDAY.

LHZ361-220800-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
338 PM EDT SUN MAY 21 2017

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


$$

LHZ362-363-220800-
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-
338 PM EDT SUN MAY 21 2017

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


$$

LHZ462>464-220800-
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-
338 PM EDT SUN MAY 21 2017

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


$$

LHZ461-220200-
MAFOR 2121/
HURON NORTH 11310 11400 11600 11500 13510 11500. A CHANCE OF
SHOWERS AND THUNDERSTORMS THIS EVENING. WAVES 2 TO 4 FEET.
220204.

HURON SOUTH 11410 13510 12520 12510. A CHANCE OF SHOWERS AND
THUNDERSTORMS THIS EVENING. WAVES 2 TO 4 FEET. 220204.

$$

HLO

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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