Pacific Storm Brings Multiple Impacts to the West;Severe Weather Expected in the Central U.S.

A strong storm is expected to produce heavy rainfall in northern and central California that could lead to significant and life-threatening flash floods and mudslides, particularly over burn scar areas, and periods of heavy snow and gusty winds from the Cascades and Sierra into the Intermountain West through Monday. Severe thunderstorms and heavy rainfall expected in the Mid-Mississippi Valley.
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Last Update: 913 AM EDT Sun Oct 24 2021

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Jacksonville, FL Local Forecast Office

9NM E Marineland FL

Marine Zone Forecast


Synopsis: High pressure centered to the northeast of the region will move east today as an inverted trough and surface low develop north into the ne Fl waters tonight. The low will move northeast of the waters on Monday with a cold front moving across the region late Monday night. A stronger front will move east across the area on Thursday with Advisory conditions possible.

.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of Oct 22, 2021 at 1200 UTC...

53 nautical miles east of Flagler Beach. 60 nautical miles east of Saint Augustine Beach. 67 nautical miles east of Jacksonville Beach. 87 nautical miles east southeast of St Simons Island.

This data courtesy of the Naval Oceanographic Office.

Rest Of Today
East winds 10 to 15 knots. Seas 2 to 3 feet with a dominant period 7 seconds. A moderate chop on the intracoastal waters. Chance of showers and slight chance of thunderstorms in the afternoon.
Tonight
Southeast winds 10 to 15 knots becoming south 5 to 10 knots after midnight. Seas 2 to 3 feet with a dominant period 5 seconds. A light chop on the intracoastal waters. Chance of showers in the evening. Slight chance of thunderstorms. Showers likely after midnight.
Monday
West winds 5 knots becoming east 5 to 10 knots in the afternoon. Seas 2 to 3 feet with a dominant period 6 seconds. A light chop on the intracoastal waters. Chance of showers and slight chance of thunderstorms in the morning, then slight chance of showers in the afternoon.
Monday Night
Southwest winds 10 to 15 knots becoming west after midnight. Seas 2 to 3 feet. A light chop on the intracoastal waters.
Tuesday
West winds 10 to 15 knots. Seas 2 to 3 feet. A moderate chop on the intracoastal waters.
Tuesday Night
Northwest winds 10 to 15 knots. Seas 2 to 3 feet.
Wednesday
North winds 5 to 10 knots becoming northeast 5 knots in the afternoon. Seas 1 to 2 feet.
Wednesday Night
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Chance of showers.
Thursday
South winds 10 to 15 knots becoming southwest 15 to 20 knots in the afternoon. Seas 3 to 4 feet. Showers likely and slight chance of thunderstorms.
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ABOUT THIS FORECAST

Last Update: 913 AM EDT Sun Oct 24 2021
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