805
FLCA42 TJSJ 130821
HWOSJU
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN JUAN PR
421 AM AST SAT DEC 13 2025
AMZ711>745-PRZ001>013-140830-
SAN JUAN AND VICINITY-NORTHEAST-SOUTHEAST-EASTERN INTERIOR-
NORTH CENTRAL-CENTRAL INTERIOR-PONCE AND VICINITY-NORTHWEST-
WESTERN INTERIOR-MAYAGUEZ AND VICINITY-SOUTHWEST-CULEBRA-VIEQUES-
THE NEARSHORE AND OFF SHORE ATLANTIC AND CARIBBEAN COASTAL WATERS-
421 AM AST SAT DEC 13 2025
THE FINAL TEXT PRODUCT OF THE LEGACY HAZARDOUS WEATHER OUTLOOK (HWO)
WILL BE ISSUED ON DECEMBER 15TH, 2025. WE ARE PROMOTING THE USE OF
THE EXPERIMENTAL GRAPHICAL HAZARDOUS WEATHER OUTLOOK (GHWO), WHICH
PROVIDES A GRAPHICAL DEPICTION OF POTENTIAL WEATHER HAZARDS FOR UP
SEVEN DAYS. PLEASE REFER TO OUR GHWO AT
HTTPS://WEATHER.GOV/ERH/GHWO?WFO=SJU.
THE GHWO PRODUCES CLEAR, CONCISE, MULTI-LEVEL COLOR-CODED GRAPHICS
THAT PROVIDE DECISION MAKERS WITH CONVENIENT ACCESS TO POTENTIAL
WEATHER HAZARD INFORMATION AND ASSOCIATED RISKS OUT TO SEVEN DAYS.
FOR ANY COMMENTS OR QUESTIONS ON THE ELIMINATION OF THE TEXT
HAZARDOUS WEATHER OUTLOOK, OR THE EXPERIMENTAL GRAPHICAL HAZARDOUS
WEATHER OUTLOOK, PLEASE CONTACT OUR WEBMASTER ACCOUNT AT
SR-SJU.WEBMASTER@NOAA.GOV.
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF PUERTO RICO.
DAY ONE
TODAY AND TONIGHT
LIGHTNING
ISOLATED THUNDERSTORMS, PARTICULARLY ACROSS
EASTERN PR AND SURROUNDING WATERS. STAY ALERT AND BE PREPARED TO
TAKE SHELTER IF STORMS DEVELOP.
EXCESSIVE RAINFALL
FLOODING IN URBAN AREAS, ROADS, SMALL
STREAMS, AND WASHES, PARTICULARLY ACROSS THE EASTERN HALF OF PR.
THERE IS A LOW CHANCE OF ISOLATED FLASH FLOODS. ELSEWHERE, PLAN
FOR WATER PONDING ON ROADS AND IN POORLY DRAINED AREAS.
WIND
BREEZY CONDITIONS (18-22 KTS | 21-25 MPH), PARTICULARLY
ACROSS COASTAL AREAS AND THE HIGHER ELEVATIONS. UNSECURED ITEMS
COULD BLOW AROUND.
MARINE CONDITIONS
HAZARDOUS CONDITIONS FOR SMALL CRAFT IN
AREAS WITH SEAS OF 7 FEET OR HIGHER, PARTICULARLY ACROSS
THE OFFSHORE WATERS AND PASSAGES. SMALL CRAFT SHOULD EXERCISE
CAUTION ELSEWHERE ACROSS THE LOCAL WATERS.
RIP CURRENTS
LIFE-THREATENING RIP CURRENTS ARE LIKELY IN THE
SURF ZONE, PARTICULARLY ACROSS THE NORTH AND EAST FACING BEACHES.
THESE LIFE-THREATENING CONDITIONS ARE POSSIBLE ACROSS
THE WESTERN AND SOUTHERN BEACHES, WITH ISOLATED STRONGER RIP
CURRENTS POSSIBLE ELSEWHERE, ESPECIALLY NEAR PIERS, JETTIES AND
CHANNELS.
DAYS TWO THROUGH SEVEN
SUNDAY THROUGH FRIDAY
HAZARDOUS MARINE AND BEACH CONDITIONS CONTINUE DUE TO INCREASING
WINDS AND A LONG-PERIOD NORTHERLY SWELL SPREADING ACROSS THE
LOCAL WATERS. A DISTURBANCE IN THE TRADES WILL INCREASE FREQUENCY
OF SHOWERS AND ISOLATED THUNDERSTORMS OVERNIGHT, WITH A LIMITED TO
ELEVATED RISK OF FLOODING AND LIGHTNING. FLOODING RISK WILL
INCREASE ONCE AGAIN ON MONDAY AND TUESDAY.
SPOTTER INFORMATION STATEMENT
SPOTTER ACTIVATION IS ENCOURAGED. PLEASE RELAY ANY INFORMATION
ABOUT FLOODING, WINDS, WAVES, AND RIP CURRENTS TO THE NATIONAL
WEATHER SERVICE IN SAN JUAN.
AMZ716-726-VIZ001-002-140830-
ST. THOMAS ST. JOHN ADJACENT ISLANDS-ST CROIX-
NEARSHORE ATLANTIC AND ADJACENT CARIBBEAN COASTAL WATERS-
421 AM AST SAT DEC 13 2025
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF USVI.
DAY ONE
TODAY AND TONIGHT
LIGHTNING
ISOLATED THUNDERSTORMS, PARTICULARLY ACROSS
THE SURROUNDING WATERS OF THE USVI. STAY ALERT AND BE PREPARED TO
TAKE SHELTER IF STORMS DEVELOP.
EXCESSIVE RAINFALL
PONDING OF WATER ON ROADS AND IN POORLY
DRAINED AREAS EXPECTED, PARTICULARLY TONIGHT.
WIND
BREEZY CONDITIONS (18-22 KTS | 21-25 MPH), PARTICULARLY
ACROSS COASTAL AREAS AND THE HIGHER ELEVATIONS. UNSECURED ITEMS
COULD BLOW AROUND.
MARINE CONDITIONS
HAZARDOUS CONDITIONS FOR SMALL CRAFT IN
AREAS WITH SEAS OF 7 FEET OR HIGHER, PARTICULARLY ACROSS
THE OFFSHORE WATERS AND PASSAGES. SMALL CRAFT SHOULD EXERCISE
CAUTION ELSEWHERE ACROSS THE LOCAL WATERS.
RIP CURRENTS
LIFE-THREATENING RIP CURRENTS ARE LIKELY IN THE
SURF ZONE, PARTICULARLY ACROSS THE NORTH AND EAST FACING BEACHES.
THESE LIFE-THREATENING CONDITIONS ARE POSSIBLE ACROSS
THE WESTERN AND SOUTHERN BEACHES, WITH ISOLATED STRONGER RIP
CURRENTS POSSIBLE ELSEWHERE, ESPECIALLY NEAR PIERS, JETTIES AND
CHANNELS.
DAYS TWO THROUGH SEVEN
SUNDAY THROUGH FRIDAY
HAZARDOUS MARINE AND BEACH CONDITIONS CONTINUE DUE TO INCREASING
WINDS AND A LONG-PERIOD NORTHERLY SWELL SPREADING ACROSS THE
LOCAL WATERS. A DISTURBANCE IN THE TRADES WILL INCREASE FREQUENCY
OF SHOWERS AND ISOLATED THUNDERSTORMS OVERNIGHT, WITH A LIMITED RISK
OF FLOODING AND LIGHTNING. FLOODING RISK WILL INCREASE ONCE AGAIN
ON MONDAY AND TUESDAY.
SPOTTER INFORMATION STATEMENT
SPOTTER ACTIVATION IS ENCOURAGED. PLEASE RELAY ANY INFORMATION
ABOUT FLOODING, WINDS, WAVES, AND RIP CURRENTS TO THE NATIONAL
WEATHER SERVICE IN SAN JUAN.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page