--------------------------------------------------------------------------- TROPICAL WEATHER DISCUSSION (EASTERN PACIFIC AREA) MESSAGES T1T2: AX A1A2: PZ Date: 2026-05-27 --------------------------------------------------------------------------- Message File: T_AXPZ20KNHC270202_C_KWBC_20260527020239_49676782-4071-TWDEP.txt ****0000004176**** AXPZ20 KNHC 270202 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 0405 UTC Wed May 27 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 0200 UTC. ...TROPICAL WAVES... The axis of a tropical wave is near 91W and N of 04N, moving westward at about 10 kt. Scattered moderate convection is east of the wave within 60 nm of 07N90W. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... The monsoon trough extends from 10N85W to 08N105W to 11N125W to 11N137W to 10N140W. Scattered moderate and isolated strong convection is noted from 02N to 10N and E of 116W, and from 04N to 23N between 117W and 140W. ...OFFSHORE WATERS WITHIN 250 NM OF MEXICO... A weak ridge extends across the waters west of Baja California to near the Revillagigedo Islands. The pressure gradient between the ridge and a surface trough over the Gulf of California is supporting moderate to fresh winds over the waters west of Baja California. Gentle to moderate winds are south of Baja California and west of Cabo Corrientes. Moderate to fresh gap winds are funneling into the Gulf of California. Light to gentle winds prevail elsewhere. Wave heights are in the 5 to 7 ft range over the open waters, and 2 to 4 ft in the Gulf of California. For the forecast, moderate to fresh winds will prevail offshore Baja California through the end of the week. A set of NW swell will begin to move through the waters off Baja California Norte by beginning Wed, supporting combined seas peaking to just below 12 ft. Fresh to strong S to SW gap winds will pulse in the northern Gulf of California tonight and Wed night. ....OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... Gentle to moderate winds are over and downstream the Gulf of Papagayo. Gentle to locally moderate winds prevail between Colombia and the Galapagos Islands. Light to gentle winds are elsewhere across the discussion waters. Seas are 5-7 ft in S to SW swell between Colombia and the Galapagos Islands, and 4-6 ft elsewhere. For the forecast, rather tranquil marine conditions are expected overall through the period as winds will mostly be in the light to gentle range. Moderate seas will prevail through Thu. Large SW swell will enter the waters south of the Equator Fri, bringing rough seas to the waters between the Galapagos Islands and Colombia. The swell will slowly subside during the weekend. ...REMAINDER OF THE AREA... High pressure covers the waters north of 20N. The pressure gradient between this area of high pressure and lower pressure within the monsoon trough is generally supporting moderate to fresh NE trade winds north of the monsoon trough to near 20N and west of about 120W. Wave heights over these waters are in the 6-9 ft range, A cold front is over the far northern waters, with moderate to fresh winds, and seas of 7-9 ft, to the north of the front. Gentle to moderate winds are elsewhere N of the monsoon trough as well as to the south. Wave heights over these waters are in the 5-7 ft range. For the forecast, little change is expected in winds the next few days. The aforementioned cold front will drift southward while weakening through Wed night and eventually dissipate across the central waters late Wed night, or on Thu. The swell in the wake of the frontal boundary will propagate through the waters N of 25N by Wed night, with wave heights of 8 to 9 ft reaching as far south as about 14N by late Thu. The combination of the swell with wind generated waves produced by the fresh trade winds N of the monsoon trough is expected to generate rough seas over a good portion of these waters by late Thu. $$ AL ########################### END OF MESSAGE SET ############################ --------------------------------------------------------------------------- Message File: T_AXPZ20KNHC270801_C_KWBC_20260527080155_47448518-4204-TWDEP.txt ****0000004200**** AXPZ20 KNHC 270801 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 1005 UTC Wed May 27 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 0800 UTC. ...TROPICAL WAVES... The axis of a tropical wave is near 93W and N of 04N, moving westward at about 10 kt. Nearby convection is noted in the ITCZ/monsoon trough section below. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... The monsoon trough extends from 10N85W to 08N109W to 10N125W to 10N130W to 09N140W. Scattered moderate and isolated strong convection is noted from 02N to 10N between 84W and 93W, and from 02N to 13N between 105W and 140W. ...OFFSHORE WATERS WITHIN 250 NM OF MEXICO... A weak ridge extends across the waters west of Baja California to near the Revillagigedo Islands. The pressure gradient between the ridge and a surface trough over the Gulf of California is supporting moderate to fresh winds over the waters west of Baja California. Gentle to moderate winds are south of Baja California and west of Cabo Corrientes. Fresh to strong gap winds are funneling into the northern Gulf of California, with moderate to fresh gap winds elsewhere in the Gulf of California. Light to gentle winds prevail elsewhere. Wave heights are in the 5 to 7 ft range over the open waters, 4-6 ft in the northern half of the Gulf of California, and 2 to 4 ft in the southern half of the Gulf of California. For the forecast, moderate to fresh winds will prevail offshore Baja California through the end of the week. A set of NW swell will begin to move through the waters off Baja California Norte today, supporting combined seas peaking to just below 12 ft. Fresh to strong S to SW gap winds will pulse in the northern Gulf of California tonight. ....OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... Gentle to moderate winds are over and downstream the Gulf of Papagayo. Light to gentle winds are elsewhere across the discussion waters. Seas are 5-6 ft in S to SW swell between Colombia and the Galapagos Islands, and 4-5 ft elsewhere. For the forecast, rather tranquil marine conditions are expected overall through the period as winds will mostly be in the light to gentle range. Moderate seas will prevail through Thu. Large SW swell will enter the waters south of the Equator Fri, bringing rough seas to the waters between the Galapagos Islands and Colombia. The swell will slowly subside during the weekend. ...REMAINDER OF THE AREA... High pressure covers the waters north of 20N. The pressure gradient between this area of high pressure and lower pressure within the monsoon trough is supporting moderate to fresh NE trade winds north of the monsoon trough to near 20N and west of about 120W. Wave heights over these waters are in the 6-9 ft range. A cold front is over the far northern waters. Moderate to fresh winds, and seas of 7-10 ft, are north of the front. Gentle to moderate winds are elsewhere N of the monsoon trough as well as to the south. Wave heights over these waters are in the 5-7 ft range. For the forecast, little change is expected in winds the next few days. The aforementioned cold front will drift southward while weakening through tonight and eventually dissipate across the central waters late tonight, or on Thu. The swell in the wake of the frontal boundary will propagate through the waters N of 25N by tonight, with wave heights of 8 to 9 ft reaching as far south as about 14N by late Thu. The combination of the swell with wind generated waves produced by the fresh trade winds N of the monsoon trough is expected to generate rough seas over a good portion of these waters by late Thu. $$ AL ########################### END OF MESSAGE SET ############################ --------------------------------------------------------------------------- Message File: T_AXPZ20KNHC271549_C_KWBC_20260527154944_49676782-4113-TWDEP.txt ****0000005153**** AXPZ20 KNHC 271549 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 1605 UTC Wed May 27 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 1200 UTC surface analysis and satellite imagery through 1545 UTC. ...TROPICAL WAVES... The axis of a tropical wave is near 95W from 03N to 12N, moving westward at about 10 kt. Scattered moderate convection is within 180 nm east of the wave from 03N to 06N, and within 120 nm west of the wave from 04N to 08N. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... The monsoon trough axis extends from 11N86W to 08N95W to 10N105W to 10N118W to 08N127W and to 12N135W. Numerous moderate to isolated strong convection is within 180 nm south of the the trough between 108W-112W, and within 120 nm south of the trough between 112W-118W. Numerous moderate convection is from 09N to 15N between 119W-126W, and within 60 nm south of the trough between 123W-125W. ...OFFSHORE WATERS WITHIN 250 NM OF MEXICO... A weak ridge extends across the waters west of Baja California to near the Revillagigedo Islands. The pressure gradient between the ridge and a surface trough over the Gulf of California is supporting moderate to fresh winds over the waters west of Baja California. Gentle to moderate winds are south of Baja California and west of Cabo Corrientes. Fresh to strong gap winds are funneling into the northern Gulf of California, with moderate to fresh gap winds elsewhere in the Gulf of California. Light to gentle winds prevail elsewhere. Wave heights are in the 5 to 7 ft range over the open waters, 4 to ft in the northern half of the Gulf of California, 3 to 5 ft in the central portion and 2 to 4 ft in the southern half of the Gulf of California. For the forecast, moderate to fresh winds will prevail offshore Baja California through the end of the week. A set of NW swell will begin to move through the waters off Baja California Norte today, supporting combined seas peaking to just below 12 ft. Fresh to strong S to SW gap winds will pulse in the northern Gulf of California tonight. ....OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... Latest Ascat satellite data pass shows gentle to moderate northeast winds across the Gulf of Papagayo region, and west from there to near 88W. Seas are 4 to 6 ft in the Gulf of Papagayo region per an overnight altimeter satellite data pass. Gentle to moderate winds are over and downstream the Gulf of Papagayo. Light to gentle winds are elsewhere across the discussion waters. Seas are 5 to 6 ft in S to SW swell between Colombia and the Galapagos Islands, and 4 to 5 ft elsewhere. For the forecast, rather tranquil marine conditions are expected overall through the period as winds will mostly be in the light to gentle range. Moderate seas will prevail through Thu. Large SW swell will enter the waters south of the Equator Fri, bringing rough seas to the waters between the Galapagos Islands and Colombia. The swell will slowly subside during the weekend. ...REMAINDER OF THE AREA... High pressure covers the waters north of 20N. The pressure gradient between this area of high pressure and lower pressure within the monsoon trough is supporting moderate to fresh NE trade winds north of the monsoon trough to near 20N and west of about 130W, and also from 12N to 18N between 120W and 130W as seen in the latest scatterometer satellite data passes. Wave heights over these waters are in the 6 to 9 ft range primarily in long-period NW to N swell. A cold front is analyzed from western Arizona, south-southwest to across far northern Baja California, and continues southwestward out over the open waters to near 27N127W. Moderate to fresh northerly winds along with wave heights of 7 to 10 ft in long-period northwest swell are north of the front. Gentle to moderate winds are elsewhere N of the monsoon trough as well as to its south. Wave heights over these waters are in the 5 to 7 ft range as indicated in overnight altimeter satellite data passes. For the forecast, little change is expected in winds the next few days. The aforementioned cold front will drift southward while weakening through tonight and eventually dissipate across the central waters late tonight, or on Thu. The swell in the wake of the frontal boundary will propagate through the waters N of 25N by toonight, with wave heights of 8 to 9 ft reaching as far south as about 14N by late Thu. The combination of the swell with wind generated waves produced by the fresh trade winds N of the monsoon trough is expected to generate rough seas over a good portion of these waters by late Thu. $$ Aguirre ########################### END OF MESSAGE SET ############################