Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

000
FZUS63 KDTX 242054
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
354 PM EST FRI FEB 24 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...A LOW PRESSURE SYSTEM...29.40 INCHES...OVER NORTHERN
ILLINOIS WILL CONTINUE TO  LIFT NORTHEAST TO LOWER MICHIGAN BY THIS
EVENING. THE SYSTEM WILL CROSS LAKE HURON TONIGHT INTO SATURDAY
MORNING.  AN AREA OF HIGH PRESSURE...30.00 INCHES...THEN MOVES IN
BEHIND THE DEPARTING LOW ON SATURDAY.

LCZ460-250915-
LAKE ST CLAIR-
354 PM EST FRI FEB 24 2017

...SEVERE THUNDERSTORM WATCH 37 IN EFFECT UNTIL 10 PM EST THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...

.TONIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS. THUNDERSTORMS IN THE
EVENING. SHOWERS. THUNDERSTORMS AFTER MIDNIGHT. SOME THUNDERSTORMS
MAY BE SEVERE WITH DAMAGING WINDS, AND LARGE HAIL EARLY IN THE
EVENING. SOME THUNDERSTORMS MAY PRODUCE DAMAGING WINDS, AND LARGE
HAIL LATE IN THE EVENING. WAVES 2 FEET OR LESS.
.SATURDAY...SOUTHWEST WINDS 15 TO 20 KNOTS WITH GUSTS TO 30 KNOTS...
BECOMING WEST 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS LATE IN THE
AFTERNOON. MOSTLY CLOUDY. A CHANCE OF LIGHT RAIN AND SNOW SHOWERS
UNTIL LATE AFTERNOON,...THEN A CHANCE OF LIGHT SNOW SHOWERS LATE IN
THE AFTERNOON. WAVES 1 TO 3 FEET.
.SATURDAY NIGHT...WEST WINDS 15 TO 20 KNOTS WITH GUSTS TO 30 KNOTS...
DIMINISHING TO 10 TO 15 KNOTS EARLY IN THE MORNING. MOSTLY CLOUDY IN
THE EVENING...BECOMING PARTLY CLOUDY. WAVES 1 TO 3 FEET.
.SUNDAY...WEST WINDS 10 TO 15 KNOTS...BECOMING SOUTHWEST 15 TO
20 KNOTS IN THE AFTERNOON. PARTLY SUNNY. WAVES 2 FEET OR LESS.
.SUNDAY NIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS...DIMINISHING TO
10 TO 15 KNOTS IN THE LATE EVENING AND OVERNIGHT. PARTLY CLOUDY.
WAVES 2 FEET OR LESS.
.MONDAY...SOUTH WINDS 5 TO 10 KNOTS. PARTLY CLOUDY...BECOMING MOSTLY
CLOUDY. WAVES 2 FEET OR LESS.
.TUESDAY...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY WITH A CHANCE OF
RAIN AND SNOW. WAVES 2 FEET OR LESS.
.WEDNESDAY...NORTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH A
CHANCE OF RAIN AND SNOW. WAVES 2 FEET OR LESS.

$$

MR

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/DTX/GLFTABLESC (ALL LOWER CASE)

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


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.