Heavy Rainfall And Flooding Threat Continues Over The Western Gulf Coast And Midwest; Excessive Heat Widespread Across The Desert Southwest

A slow moving disturbance will continue to generate rounds of rainfall across the western Gulf Coast from Texas to western Louisiana through Thursday. Flooding of low lying and poor drainage areas will be possible. Across the Desert Southwest, triple digit heat with highs exceeding 115 degrees will be possible over portions of southern California, Nevada, and Arizona through Saturday.
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Hazardous Weather Conditions

Last Update: 434 AM AST Thu Jun 21 2018

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San Juan, PR Local Forecast Office

41NM N San Juan PR

Marine Zone Forecast


Synopsis: A tropical wave will pass through the area on Friday with increasing showers and thunderstorms that will last through much of the weekend. High pressure in the central Atlantic will move into the west central Atlantic Saturday. Winds will increase over the weekend and seas will increase substantially-- mainly in the outer waters and the Anegada passage.

Today
East winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 7 seconds. Isolated showers.
Tonight
East winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 7 seconds. Isolated showers.
Friday
East winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 7 seconds. Isolated showers.
Friday Night
East winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 7 seconds. Scattered showers through the night. Isolated thunderstorms after midnight.
Saturday
East winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 7 seconds. Isolated thunderstorms, then isolated showers.
Sunday
East winds 15 to 20 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. Dominant period 8 seconds. North swell around 4 feet. Isolated showers.
Monday
East winds 15 to 20 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. Dominant period 8 seconds. Southeast swell around 4 feet. Isolated showers.
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ABOUT THIS FORECAST

Last Update: 434 AM AST Thu Jun 21 2018
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