PDA Weather/Marine Page URL: mobile.weather.gov
SYNOPSIS A HIGH PRESSURE AREA OF 30.3 INCHES CENTERED NORTH OF LAKE ONTARIO WILL CONTINUE TO INFLUENCE THE UPPER GREAT LAKES THROUGH TONIGHT. LOW PRESSURE OF 29.3 INCHES MOVING OUT OF THE CANADIAN PRAIRIES AND ON ITS WAY TO NORTHERN HUDSON BAY ON MONDAY...WILL ALLOW FOR SOUTHERLY WINDS TO PERSIST OVER LAKE SUPERIOR AT LEAST THROUGH MONDAY. BY TUESDAY A LOW PRESSURE SYSTEM OF 29.7 INCHES WILL MOVE OUT OF THE CENTRAL PLAINS AND CROSS THE MACKINAC STRAITS WEDNESDAY NIGHT BEFORE MOVING SLOWLY TOWARD NEW ENGLAND ON THURSDAY. LSZ162-222300- LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND PORTAGE MN BEYOND 5NM- 951 AM EST SUN NOV 22 2009 /851 AM CST SUN NOV 22 2009/ REST OF TODAY SOUTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO 20 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF RAIN SHOWERS. WAVES 3 TO 5 FEET. TONIGHT SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING SOUTH 5 TO 15 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET. MONDAY SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST IN THE AFTERNOON. A CHANCE OF RAIN SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET. MONDAY NIGHT EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET. TUESDAY EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET. TUESDAY NIGHT EAST WINDS 5 TO 15 KNOTS. A CHANCE OF RAIN. WAVES CALM TO 2 FEET. WEDNESDAY NORTHEAST WINDS 10 TO 20 KNOTS BECOMING NORTH 15 TO 25 KNOTS. RAIN AND SNOW LIKELY. WAVES BUILDING TO 4 TO 7 FEET. THURSDAY NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 10 TO 20 KNOTS. A CHANCE OF RAIN AND SNOW. WAVES SUBSIDING TO CALM TO 2 FEET. $$
