000 AXPZ20 KNHC 062140 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 2205 UTC Sun Aug 6 2023 Tropical Weather Discussion for the eastern Pacific Ocean from 03.4S to 30N, east of 120W including the Gulf of California, and from the Equator to 30N, between 120W and 140W. The following information is based on satellite imagery, weather observations, radar, and meteorological analysis. Based on 1800 UTC surface analysis and satellite imagery through 2100 UTC. ...SPECIAL FEATURES... Tropical Storm Eugene is centered near 22.7N 113.2W at 06/2100 UTC, moving west-northwest at 17 kt. Estimated minimum central pressure is 993 mb. Maximum sustained wind speed is 60 kt with gusts to 75 kt. Numerous moderate to strong convection is noted from 18N to 24N between 109W and 115W. Seas to 12 ft and greater extend within 120 nm E semicircle...90 nm SW quadrant and 60 nm NW quadrant with seas to 17 ft. Little change in strength is forecast tonight, followed by steady weakening likely starting on Monday. Eugene could become a post-tropical cyclone late on Monday. Swells generated by Eugene will affect portions of the coasts of west-central Mexico and Baja California Sur during the next day or so. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. Please read the latest HIGH SEAS FORECAST issued by the National Hurricane Center at website - https://www.nhc.noaa.gov/text/MIAHSFEP2.shtml and the latest Eugene NHC Forecast/Advisory and Public Advisory at www.hurricanes.gov for more details. ...TROPICAL WAVES... A tropical wave is along 101W from 04N to SW Mexico, moving W at 10 kt. Scattered convection is noted near the monsoon trough S of 12N and described below. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... The monsoon trough extends from 08N83W to 08N109W, then resumes near 16N116W to 10N133W. Outside of convection described in the sections above, scattered moderate to strong convection is within 200 nm on either side of the boundaries. ...OFFSHORE WATERS WITHIN 250 NM OF MEXICO... See Special Features section above for details on Tropical Storm Eugene. Outside of T.S. Eugene, 1031 mb high pressure is centered NW of the area near 35N137W. This is leading to gentle to moderate NW winds over the Baja California Norte offshore waters northward of Punta Abreojos, with seas 5 to 7 ft. Light to gentle N to NE winds prevail elsewhere across the offshore waters W of 110W, with seas ranging from 5-8 ft. Winds and seas associated with Eugene dominate the offshore waters between Isla Santa Margarita to Cabo San Lucas, while southerly swell continues to move into the entrance to the Gulf of California. Light to gentle breezes are noted elsewhere with moderate seas in open waters. Southerly winds inside the south and central Gulf of California have become moderate tonight, with seas building to 3 to 5 ft. For the forecast, Tropical Storm Eugene will move to 23.7N 115.7W Mon morning, 24.9N 118.9W Mon afternoon, become post- tropical and move to 25.7N 121.1W Tue morning, weaken to a remnant low near 26.5N 122.3W Tue afternoon, 27.0N 122.0W Wed morning, and dissipate Wed afternoon. Elsewhere, gentle NW winds off Baja California Norte will continue as high pressure moves NW and weakens across the region. Moderate to locally fresh NW winds will return to the Baja nearshore waters Tue afternoon through Thu. ...OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... Moderate to fresh NE to E gap winds are occurring across the Gulf of Papagayo, and extend downwind to near 90W. Seas there are 6 to 7 ft. Elsewhere, light to gentle winds prevail N of 05N with seas 4 to 6 ft in S swell, except for moderate N winds across the Gulf of Panama. Moderate S winds are noted S of 05N, with moderate S swell producing seas of 6 to 7 ft. For the forecast, moderate easterly gap winds offshore of the Papagayo region will pulse each night fresh to strong through early Tue. Gentle to moderate winds and slight to moderate seas should persist for the rest of the offshore waters into early next week. Moderate southerly winds and swell will continue across the Galapagos Islands and waters of Ecuador through Mon before diminishing. Moderate southerly winds will then return again Wed through Thu. ...REMAINDER OF THE AREA... Hurricane Dora is currently W of the area, however, fresh to strong winds and seas in excess of 12 ft are still experienced from 13N-23N and W of 137W. Elsewhere, moderate to fresh N to NE winds are noted north of the ITCZ and monsoon trough west of 120W. Seas range 6 to 10 ft N of 10N and W of 120W. South of the monsoon trough, moderate S to SW winds prevail. Swell from the southern hemisphere south of 10N in between 100W and 140W persists around 6 to 7 ft. For the forecast, Hurricane Dora will continue moving westward away from our area through Mon with winds and seas W of 137W subsiding by then. Meanwhile, farther south, southerly swell will continue to move into the waters south of 00N and west of 90W tonight with combined seas to 9 ft, then will subside by late Mon. Elsewhere, moderate winds and seas will persist across the region. $$ ERA