Claudette Moves Offshore; Eastern Severe Storms and Heavy Rain

Beach hazards will persist along the coastal Carolinas as Claudette moves away from land. A cold front extending from the Plains to the Northeast and Mid-Atlantic will bring threats of severe storms and heavy rain. Dry thunderstorms, some severe, may initiate fire starts in California and the interior Northwest. Heat and elevated-to-critical fire weather threats persist for much of the West.
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Last Update: 242 AM EDT Tue Jun 22 2021

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Jacksonville, FL Local Forecast Office

9NM E Jacksonville Beach FL

Marine Zone Forecast


...SMALL CRAFT SHOULD EXERCISE CAUTION...
Synopsis: A cold front approaching the Southeastern United States will dive southeastward and approach the Georgia waters tonight and will stall near the Florida border from Wednesday through Friday. Southwesterly winds near Caution levels will linger through tonight. Showers and thunderstorms will impact our local waters each day through the weekend. A light onshore wind will develop late this week as strong high pressure over the Canadian Maritime region wedges down the southeastern seaboard.

.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of Jun 17, 2021 at 1200 UTC...

60 nautical miles east northeast of Flagler Beach. 68 nautical miles east of Saint Augustine Beach. 81 nautical miles east of Jacksonville Beach. 98 nautical miles east southeast of St Simons Island.

This data courtesy of the Naval Oceanographic Office.

Today
Southwest winds 15 to 20 knots. Seas 3 to 4 feet with a dominant period 8 seconds. Choppy on the intracoastal waters. Chance of showers in the morning. Slight chance of thunderstorms. Showers in the afternoon.
Tonight
Southwest winds 10 to 15 knots. Seas 3 to 4 feet with a dominant period 9 seconds. A light chop on the intracoastal waters. Chance of showers in the evening. Slight chance of thunderstorms. Slight chance of showers after midnight.
Wednesday
Southwest winds 10 to 15 knots becoming south 5 to 10 knots in the afternoon. Seas 3 to 4 feet with a dominant period 9 seconds. A moderate chop on the intracoastal waters. Slight chance of thunderstorms in the morning. Showers likely. Chance of thunderstorms in the afternoon.
Wednesday Night
South winds 5 to 10 knots. Seas 2 to 3 feet. Mostly smooth on the intracoastal waters. Chance of showers and slight chance of thunderstorms.
Thursday
East winds 5 to 10 knots. Seas 2 to 3 feet. A light chop on the intracoastal waters. Slight chance of thunderstorms in the morning. Chance of showers. Chance of thunderstorms in the afternoon.
Thursday Night
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Slight chance of showers and thunderstorms.
Friday
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Showers likely and chance of thunderstorms.
Friday Night
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Slight chance of showers and thunderstorms.
Saturday
East winds 5 to 10 knots increasing to 10 to 15 knots in the afternoon. Seas 3 to 4 feet. Chance of showers and thunderstorms.
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Last Update: 242 AM EDT Tue Jun 22 2021
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