Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 220838
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
338 AM EST SAT NOV 22 2014

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...MEASURING 30.50 INCHES...WILL SETTLE
OVER THE EASTERN SEABOARD TODAY.  LOW PRESSURE...AVERAGING 29.40
INCHES...WILL MEANWHILE MOVE ACROSS NORTHERN ONTARIO. STRONG FLOW
BETWEEN THESE TWO SYSTEMS WILL CREATE STRONG SOUTHWEST WINDS OVER
THE CENTRAL GREAT LAKES TODAY. ANOTHER LOW PRESSURE SYSTEM WILL THEN
LIFT THROUGH THE GREAT LAKES SUNDAY INTO MONDAY.

LCZ460-222115-
LAKE ST CLAIR-
338 AM EST SAT NOV 22 2014

.TODAY...SOUTHWEST WINDS 15 TO 20 KNOTS. LIGHT FREEZING RAIN LIKELY
IN THE MORNING. LIGHT SHOWERS LIKELY. WAVES 1 TO 3 FEET.
.TONIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS AFTER MIDNIGHT. CLOUDY WITH LIGHT SHOWERS LIKELY. WAVES
2 FEET OR LESS.
.SUNDAY...SOUTH WINDS 10 TO 15 KNOTS. LIGHT SHOWERS LIKELY IN THE
MORNING...THEN A CHANCE OF LIGHT SHOWERS BY AFTERNOON. CLOUDY. WAVES
2 FEET OR LESS.
.SUNDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. RAIN. WAVES 1 TO
3 FEET.
.MONDAY...SOUTH WINDS 15 TO 20 KNOTS...BECOMING SOUTHWEST 20 TO 25
KNOTS WITH GUSTS TO 30 KNOTS BY AFTERNOON. A CHANCE OF LIGHT
SHOWERS...THEN A CHANCE OF LIGHT RAIN AND SNOW SHOWERS BY EVENING.
MOSTLY CLOUDY. WAVES 1 TO 3 FEET. A SMALL CRAFT ADVISORY MAY BE
NEEDED.
.TUESDAY...WEST WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY WITH A CHANCE OF
LIGHT SNOW SHOWERS. WAVES 1 TO 3 FEET.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. WAVES
2 FEET OR LESS.

$$

MR

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)



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