Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 170200 RRA
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
949 PM EDT SUN APR 16 2017

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...30.20 INCHES...WILL INFLUENCE THE GREAT
LAKES REGION THROUGHOUT MONDAY. HIGHER PRESSURE WILL HOLD IN PLACE
THROUGH MOST OF TUESDAY...BEFORE LOW PRESSURE...29.70
INCHES...TRAVELS FROM THE NORTH CENTRAL PLAINS INTO LAKE SUPERIOR BY
TUESDAY NIGHT. A SECOND LOW PRESSURE SYSTEM...29.50 INCHES...IS THEN
EXPECTED TO PUSH FROM THE CENTRAL PLAINS INTO LOWER MICHIGAN
WEDNESDAY INTO THURSDAY...BRINGING THE CHANCE FOR BOTH RAIN AND
THUNDERSTORMS.

LCZ460-170800-
LAKE ST CLAIR-
949 PM EDT SUN APR 16 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.REST OF TONIGHT...NORTHWEST WINDS 5 TO 10 KNOTS THIS EVENING
BECOMING LIGHT AND VARIABLE. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
.MONDAY...LIGHT AND VARIABLE WINDS BECOMING NORTHWEST 5 TO 10 KNOTS
LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR LESS.
.MONDAY NIGHT...NORTHEAST WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO
10 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
.TUESDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 2 FEET
OR LESS.
.TUESDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY UNTIL
EARLY MORNING...THEN MOSTLY CLOUDY WITH A CHANCE OF LIGHT RAIN AND
THUNDERSTORMS EARLY IN THE MORNING. WAVES 2 FEET OR LESS.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS BECOMING LIGHT AND
VARIABLE. MOSTLY CLOUDY. A CHANCE OF LIGHT RAIN AND THUNDERSTORMS
EARLY IN THE MORNING...THEN A CHANCE OF LIGHT RAIN. WAVES 2 FEET OR
LESS.
.THURSDAY...WEST WINDS 15 TO 20 KNOTS. CLOUDY WITH RAIN LIKELY AND A
CHANCE OF THUNDERSTORMS. WAVES 1 TO 3 FEET.
.FRIDAY...NORTH WINDS 15 TO 20 KNOTS. PARTLY CLOUDY. A CHANCE OF
RAIN. WAVES 2 FEET OR LESS.

$$

CB

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/DTX/GLFTABLESC

GRAPHICAL MARINE FORECASTS ARE AVAILABLE AT WEATHER.GOV/GREATLAKES



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