--------------------------------------------------------------------------- TROPICAL WEATHER DISCUSSION (EASTERN PACIFIC AREA) MESSAGES T1T2: AX A1A2: PZ Date: 2026-04-07 --------------------------------------------------------------------------- Message File: T_AXPZ20KNHC070317_C_KWBC_20260407031756_9109880-706-TWDEP.txt ****0000005360**** AXPZ20 KNHC 070317 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 0405 UTC Tue Apr 7 2026 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 0000 UTC surface analysis and satellite imagery through 0300 UTC. ...SPECIAL FEATURES... Gulf of Tehuantepec Gale Warning: Building ridging over NE Mexico supports strong to gale-force northerly winds and rough seas to 13 ft across the Gulf of Tehuantepec. Gale force winds will continue through early Tue morning with seas building to around 15 ft tonight into early Tue. Gusty winds to near storm force may occur. Seas generated from this gap wind event will spread well away from the Tehuantepec area, with seas 8 ft or greater reaching as far south as 10N and 100W tonight into Tue. Winds and seas will quickly diminish Tue. Please read the latest High Seas Forecast issued by the National Hurricane Center at website: https://www.nhc.noaa.gov/text/MIAHSFEP2.shtml for more details. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... A surface trough extends from 05.5N80W to 03.5N97W. The ITCZ stretches from 03.5N97W to beyond 07N140W. Scattered moderate convection is observed from 03N to 06N between 83W and 101W, and from 02.5N to 14N between 116W and 131W. ...OFFSHORE WATERS WITHIN 250 NM OF MEXICO... Please refer to the Special Features section for details on the Gulf of Tehuantepec Gale Warning. Aside from the Gale Warning in the Gulf of Tehuantepec, a weak NW to SE ridge extends along the outer offshore waters boundary with troughing over central Mexico. This pattern supports moderate to locally fresh NW-N winds from Cabo San Lazaro northward offshore Baja California. Winds are mainly light to gentle across the remainder of the waters away from the Gulf of Tehuantepec, including in the Gulf of California. Seas are mainly 5-6 ft away from the Gulf of Tehuantepec in a mix of S and NW swells, with seas 3 ft or less in the Gulf of California away from the entrance. For the forecast, other than the Gale Warning in the Gulf of Tehuantepec, winds will pulse there to fresh to strong once the gale ends on Tue. Moderate to locally fresh NW winds and moderate seas are expected off Baja California through Thu night. Winds may pulse to strong N of Punta Eugenia at times through Thu evening. Moderate to fresh SW winds may develop in the northern Gulf of California Fri night ahead of a cold front approaching Baja California Norte, then to fresh to strong Sat night. Winds will be moderate or weaker elsewhere through the next several days. Little change in seas is forecast through the week. ....OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... A building ridge over the NW Gulf of America forces moderate easterly winds across the Gulf of Papagayo region. Seas in this region are around 5 ft. Farther east, moderate N-NE winds and 3-4 ft seas are present in the Gulf of Panama. Light to gentle winds and moderate seas dominate the remainder of the offshore forecast waters. For the forecast, fresh to locally strong gap winds are expected during the nighttime and early morning hours in the Papagayo region and downwind to about 90W through the forecast period. Moderate to locally fresh northerly winds are forecast in the Gulf of Panama through the week. The ongoing gap wind event in the Tehuantepec region will produce seas to 9 ft in the far offshore waters of Guatemala tonight through Tue. Light to gentle winds and moderate seas will prevail elsewhere. ...REMAINDER OF THE AREA... A deep upper level trough continues to produce abundant cloudiness and some showers over the W-central and northern waters, extending from S of the Hawaiian Islands northeastward to Baja California and into the SW United States. Elsewhere at the surface, a weak high pressure system over the northern waters with 1022 mb high pressure centered near 33N127W dominates the remainder of the basin. Moderate to locally fresh easterly winds are occurring from roughly 09N to 16N and W of 110W, highest in deep convection along the ITCZ which is described more above. Seas in these waters remain at 6 to 7 ft. Elsewhere, moderate or weaker winds and moderate seas are prevalent. For the forecast, a weak cold front is north of the area. Seas will briefly build to 9 ft ahead the front tonight and Tue before subsiding. Continuing high pressure will support moderate to locally fresh easterly winds and moderate to locally rough seas across the trade wind zone into the middle of the week, supporting seas to around 7 ft. Seas will build to around 8 ft in NE swell from a Gulf of Tehuantepec gale force gap wind event to near 10N100W tonight through Tue night. Moderate to fresh winds will accompany those seas. Seas may build to around 8 ft in southerly swell near 03.4S by the end of the week. $$ KRV ########################### END OF MESSAGE SET ############################ --------------------------------------------------------------------------- Message File: T_AXPZ20KNHC070909_C_KWBC_20260407090920_38666572-684-TWDEP.txt ****0000005450**** AXPZ20 KNHC 070909 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 1005 UTC Tue Apr 7 2026 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 0600 UTC surface analysis and satellite imagery through 0850 UTC. ...SPECIAL FEATURES... Gulf of Tehuantepec Gale Warning: Building ridging over NE Mexico supports strong to gale-force northerly winds and rough seas to 13 ft across the Gulf of Tehuantepec. Gale force winds will continue through early this morning. Gusty winds to near storm force may occur. Seas generated from this gap wind event will spread well away from the Tehuantepec area, with seas 8 ft or greater reaching as far south as 10N and 100W this morning. Winds and seas will quickly diminish late this morning. Please read the latest High Seas Forecast issued by the National Hurricane Center at website: https://www.nhc.noaa.gov/text/MIAHSFEP2.shtml for more details. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... A surface trough extends from 07N79W to 04N100W. The ITCZ stretches from 04N100W to 03N120W to beyond 00N140W. A second ITCZ is located south the discussion area. Scattered moderate convection is observed from 03N to 06N between 83W and 99W, and from 04N to 10N between 115W and 128W. ...OFFSHORE WATERS WITHIN 250 NM OF MEXICO... Please refer to the Special Features section for details on the Gulf of Tehuantepec Gale Warning. Aside from the Gale Warning in the Gulf of Tehuantepec, a weak NW to SE ridge extends along the outer offshore waters boundary with troughing over central Mexico. This pattern supports moderate to locally fresh NW-N winds from Cabo San Lazaro northward offshore Baja California. Winds are mainly light to gentle across the remainder of the waters away from the Gulf of Tehuantepec, including in the Gulf of California. Seas are mainly 5-6 ft away from the Gulf of Tehuantepec in a mix of S and NW swells, with seas 3 ft or less in the Gulf of California away from the entrance. For the forecast, other than the Gale Warning in the Gulf of Tehuantepec, winds will pulse there to fresh to strong once the gale ends on Tue. Moderate to locally fresh NW winds and moderate seas are expected off Baja California through Thu night. Winds may pulse to strong N of Punta Eugenia at times through Thu evening. Moderate to fresh SW winds may develop in the northern Gulf of California Fri night ahead of a cold front approaching Baja California Norte, then to fresh to strong Sat night. Winds will be moderate or weaker elsewhere through the next several days. Little change in seas is forecast through the week. ....OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... A building ridge over the NW Gulf of America forces fresh easterly winds across the Gulf of Papagayo region. Seas in this region are around 5 ft. Farther east, moderate N-NE winds and 3-4 ft seas are present in the Gulf of Panama. Light to gentle winds and moderate seas dominate the remainder of the offshore forecast waters. For the forecast, fresh to locally strong gap winds are expected during the nighttime and early morning hours in the Papagayo region and downwind to about 90W through the forecast period. Moderate to locally fresh northerly winds are forecast in the Gulf of Panama through the forecast period. The ongoing gap wind event in the Tehuantepec region will produce seas to 9 ft in the far offshore waters of Guatemala through today. Light to gentle winds and moderate seas will prevail elsewhere. ...REMAINDER OF THE AREA... A week cold front extends from 30N13W to 23.5N138W. Seas to 9 ft follow the front. Father south, a deep upper level trough continues to produce abundant cloudiness and some showers over the W-central and northern waters, extending from S of the Hawaiian Islands northeastward to Baja California and into the SW United States. Elsewhere at the surface, a weak high pressure system over the northern waters with 1022 mb high pressure centered near 32N126W dominates the remainder of the basin. Moderate to locally fresh easterly winds are occurring from roughly 09N to 16N and W of 120W, highest near the convection along the ITCZ which is described above. Seas in these waters remain at 6 to 8 ft. Elsewhere, moderate or weaker winds and moderate seas are prevalent. For the forecast, the cold front will continue to move SE as it weakens, and seas behind the front will subside later today. Continuing high pressure will support moderate to locally fresh easterly winds and moderate to locally rough seas across the trade wind zone through the forecast period, supporting seas to around 7 ft. Seas will build to around 8 ft in NE swell from a Gulf of Tehuantepec gale force gap wind event to near 10N100W today through tonight. Moderate to fresh winds will accompany those seas. Seas may build to around 8 ft in southerly swell near 03.4S by the end of the week. $$ KRV ########################### END OF MESSAGE SET ############################