AWCA82 TJSJ 202139
Weather Summary for Puerto Rico
National Weather Service San Juan PR
539 PM AST Sun Sep 20 2020
Skies were partly cloudy today. Winds were variable with some sea
breezes and generally less than 10 mph. Some showers formed late
in the afternoon over southern Trujillo Alto and then between
Lares and Morovis. Amounts were generally less than one half inch.
Showers were continuing in the north central portion of the
island as of 5 PM AST. Highs for the day ranged from 93 in Caguas
and 92 in Anasco and Guanica to the mid 80s in the lower
mountains. San Juan had a high of 90 degrees.
Showers will taper off overnight and only isolated showers are
expected--mainly over the local waters. Winds will be less than 10
mph in land breezes tonight. Overnight lows will range from the
upper 70s in the lower elevations to the mid 60s in the highest
mountain valleys. Tomorrow, scattered showers are expected,
mainly north of the Cordillera Central. Winds will be 6 to 12 mph
mostly in sea breezes. Highs will range from the mid 90s in some
interior locations to the lower 80s in the higher mountains.
Hurricane Teddy continues to send strong northeasterly swell
into the area. Seas of 8 to 10 feet are expected in the Atlantic
waters. These swell will continue to flow through the Atlantic
and into the local passages Monday. Seas will decrease on Monday
and small craft advisories will likely come down then. For
tonight, surf will be high and there will be a high risk of rip
currents for coasts with northeast exposure. For duration and
strength of these please refer to the latest Coastal Hazard
Message (CFWSJU) and Marine Weather Message (MWWSJU) issued by the
WFO San Juan Puerto Rico.
This product is issued around 5 AM and 5 PM each day and weather
conditions may change between issuances. Please verify the status
of any Watches...Warnings or Advisories mentioned in this product.
NWS SJU Office Area Forecast Discussion