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Eastern North Pacific Tropical Weather Outlook
2026-09-08 07:12:57| National Hurricane Center (East Pacific)
000ABPZ20 KNHC 080512TWOEP Tropical Weather OutlookNWS National Hurricane Center Miami FL1100 PM PDT Mon Sep 7 2026For the eastern and central North Pacific east of 180 longitude:Active Systems:The National Hurricane Center is issuing advisories on Hurricane Lowell, located just over one hundred miles southwest of Lihue, Kauai, and on Tropical Storm Marie, located several hundred miles west-southwest of Punta Eugenia, Mexico. Offshore of Southwestern Mexico:Showers and thunderstorms associated with a broad area of low pressure located several hundred miles southwest of southwestern Mexico remain disorganized. Gradual development of this system is possible, and a tropical depression could form later this week while the system moves generally west-northwestward at 10 to 15 mph.* Formation chance through 48 hours...low...10 percent.* Formation chance through 7 days...medium...60 percent.$$Forecaster Pierce/Gibbs
Category:Transportation and Logistics
Tropical Storm Marie Graphics
2026-09-08 05:27:53| National Hurricane Center (East Pacific)
Wind Speed Probabilities last updated Tue, 08 Sep 2026 03:27:53 GMT
Category:Transportation and Logistics
Tropical Storm Marie Graphics
2026-09-08 04:35:58| National Hurricane Center (East Pacific)
Wind Speed Probabilities last updated Tue, 08 Sep 2026 02:35:58 GMT
Category:Transportation and Logistics
Tropical Storm Marie Forecast Discussion Number 28
2026-09-08 04:34:55| National Hurricane Center (East Pacific)
Issued at 800 PM PDT Mon Sep 07 2026 000 WTPZ43 KNHC 080234 TCDEP3 Tropical Storm Marie Discussion Number 28 NWS National Hurricane Center Miami FL EP132026 800 PM PDT Mon Sep 07 2026 Marie continues its gradual weakening trend, although the cyclone still has a substantial low-level circulation. Deep convection is minimal and confined to the southeastern quadrant of the system. Based on a continued slow spin down from the earlier scatterometer overpass, the winds are reduced slightly to 45 kt for this advisory, although this may be generous. Another scatterometer overpass should sample the system in a few hours. The storm continues its slow west-northwestward trek with an initial motion estimate of around 290/7 kt. There is not much change to the track forecast. Marie is expected to turn northwestward soon and move within the flow between a ridge extending westward from the southwestern U.S. and a cutoff low to the west of the tropical cyclone. The official forecast is similar to the previous NHC track, and is close to the corrected model consensus. Marie is over SSTs near 24 deg C and it should encounter even cooler waters during the next day or so. Given the decreasing convection, it now appears that the cyclone will become post-tropical in 24 hours, and this is reflected in the official forecast. Unless deep convection redevelops in the system soon, however, Marie's post-tropical transition could occur even earlier than indicated here. FORECAST POSITIONS AND MAX WINDS INIT 08/0300Z 25.1N 125.9W 45 KT 50 MPH 12H 08/1200Z 25.8N 126.9W 40 KT 45 MPH 24H 09/0000Z 27.2N 127.9W 35 KT 40 MPH...POST-TROPICAL 36H 09/1200Z 29.1N 129.1W 30 KT 35 MPH...POST-TROP/REMNT LOW 48H 10/0000Z 31.3N 130.4W 25 KT 30 MPH...POST-TROP/REMNT LOW 60H 10/1200Z 33.4N 132.0W 25 KT 30 MPH...POST-TROP/REMNT LOW 72H 11/0000Z...DISSIPATED $$ Forecaster Pasch
Category:Transportation and Logistics
Tropical Storm Marie Wind Speed Probabilities Number 28
2026-09-08 04:34:28| National Hurricane Center (East Pacific)
Issued at 0300 UTC TUE SEP 08 2026 000 FOPZ13 KNHC 080234 PWSEP3 TROPICAL STORM MARIE WIND SPEED PROBABILITIES NUMBER 28 NWS NATIONAL HURRICANE CENTER MIAMI FL EP132026 0300 UTC TUE SEP 08 2026 AT 0300Z THE CENTER OF TROPICAL STORM MARIE WAS LOCATED NEAR LATITUDE 25.1 NORTH...LONGITUDE 125.9 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 45 KTS...50 MPH...85 KM/H. Z INDICATES COORDINATED UNIVERSAL TIME (GREENWICH) PACIFIC DAYLIGHT TIME (PDT)...SUBTRACT 7 HOURS FROM Z TIME HAWAIIAN STANDARD TIME (HST)...SUBTRACT 10 HOURS FROM Z TIME WIND SPEED PROBABILITY TABLE FOR SPECIFIC LOCATIONS CHANCES OF SUSTAINED (1-MINUTE AVERAGE) WIND SPEEDS OF AT LEAST ...34 KT (39 MPH... 63 KM/H)... ...50 KT (58 MPH... 93 KM/H)... ...64 KT (74 MPH...119 KM/H)... FOR LOCATIONS AND TIME PERIODS DURING THE NEXT 5 DAYS PROBABILITIES FOR LOCATIONS ARE GIVEN AS OP(CP) WHERE OP IS THE PROBABILITY OF THE EVENT BEGINNING DURING AN INDIVIDUAL TIME PERIOD (ONSET PROBABILITY) (CP) IS THE PROBABILITY OF THE EVENT OCCURRING BETWEEN 00Z TUE AND THE FORECAST HOUR (CUMULATIVE PROBABILITY) PROBABILITIES ARE GIVEN IN PERCENT X INDICATES PROBABILITIES LESS THAN 1 PERCENT PROBABILITIES FOR 34 KT AND 50 KT ARE SHOWN AT A GIVEN LOCATION WHEN THE 5-DAY CUMULATIVE PROBABILITY IS AT LEAST 3 PERCENT. PROBABILITIES FOR 34...50...64 KT SHOWN WHEN THE 5-DAY 64-KT CUMULATIVE PROBABILITY IS AT LEAST 1 PERCENT. - - - - WIND SPEED PROBABILITIES FOR SELECTED LOCATIONS - - - - FROM FROM FROM FROM FROM FROM FROM TIME 00Z TUE 12Z TUE 00Z WED 12Z WED 00Z THU 00Z FRI 00Z SAT PERIODS TO TO TO TO TO TO TO 12Z TUE 00Z WED 12Z WED 00Z THU 00Z FRI 00Z SAT 00Z SUN FORECAST HOUR (12) (24) (36) (48) (72) (96) (120) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - LOCATION KT 25N 125W 34 99 X(99) X(99) X(99) X(99) X(99) X(99) 30N 130W 34 X X( X) 9( 9) 8(17) X(17) X(17) X(17) $$ FORECASTER PASCH
Category:Transportation and Logistics
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