000 AXPZ20 KNHC 231002 TWDEP TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 1005 UTC THU JUL 23 2015 TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM THE EQUATOR TO 32N...EAST OF 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 0915 UTC. ...SPECIAL FEATURES... THE CENTER OF TROPICAL DEPRESSION SEVEN-E AT 23/0900 UTC IS NEAR 18.0N 114.0W. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1006 MB. THE DEPRESSION IS MOVING NORTH-NORTHWEST...OR 330 DEGREES...8 KNOTS. THE MAXIMUM SUSTAINED WIND SPEEDS ARE 30 KNOTS WITH GUSTS TO 40 KNOTS. ELSEWHERE WITHIN A 120 NM RADIUS OF THE CENTER WINDS 20 TO 30 KT AND SEA HEIGHTS RANGING FROM 8 TO 11 FEET. PUBLIC ADVISORIES ON TROPICAL DEPRESSION SEVEN-E ARE ISSUED UNDER WMO HEADER WTPZ32 KNHC AND UNDER AWIPS HEADER MIATCPEM2. FORECAST/ADVISORIES ON TROPICAL DEPRESSION SEVEN-E ARE ISSUED UNDER WMO HEADER WTPZ22 KNHC AND UNDER AWIPS HEADER MIATCMEP2. CONVECTIVE PRECIPITATION...NUMEROUS STRONG FROM 17N TO 19N BETWEEN 114W AND 115W. SCATTERED MODERATE ISOLATED STRONG ELSEWHERE FROM 13N TO 21N BETWEEN 110W AND 117W.. ...LOWS AND TROPICAL WAVES... A TROPICAL WAVE IS ALONG 83W/84W FROM 20N SOUTHWARD. CONVECTIVE PRECIPITATION...SCATTERED MODERATE TO STRONG OVER FORECAST WATERS WITHIN 45 NM EITHER SIDE OF LINE FROM 07N82W TO 10N86W. A TROPICAL WAVE IS ALONG 102W/103W FROM 16N SOUTHWARD. CONVECTIVE PRECIPITATION...SCATTERED MODERATE ISOLATED STRONG FROM 10N TO 14N BETWEEN 98W AND 102W. A SURFACE TROUGH IS ALONG 11N74W 07N76W 05N78W. CONVECTIVE PRECIPITATION...SCATTERED TO NUMEROUS STRONG FROM 05N TO 10N BETWEEN 77W AND 80W. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... THE ITCZ IS ALONG 12N125W 10N137W 08N140W. CONVECTIVE PRECIPITATION...SCATTERED STRONG FROM 05N TO 07N BETWEEN 129W AND 130W. SCATTERED MODERATE TO ISOLATED STRONG FROM 12N TO 13N BETWEEN 131W AND 135W. ...DISCUSSION... A SURFACE RIDGE PASSES THROUGH 35N140W TO 34N133W TO 27N126W. THE SURFACE PRESSURE IS BUILDING ACROSS THE N WATERS MAINLY N OF 15N W OF 120W. THE PRESSURE GRADIENT BETWEEN THE RIDGE AND LOWER PRESSURE IN THE VICINITY OF THE ITCZ WILL BRING MODERATE TO FRESH TRADE WINDS MAINLY FROM 12N TO 17N W OF 132W TODAY ON THURSDAY. THE SEA HEIGHTS WILL REACH A MAXIMUM OF 8 FEET PRIMARILY IN SE SWELL. THE LEADING EDGE OF A SOUTHERLY SWELL TRAIN WITH PERIODS IN THE 18-20 SECOND RANGE HAS REACHED THE COAST S OF CABO CORRIENTES AND A SECOND SWELL TRAIN OF SIMILAR PERIOD HAS REACHED THE COAST FROM WESTERN PANAMA TO THE GULF OF FONSECA. THIS SWELL COULD BRING ROUGH SURF CONDITIONS TO THE COAST. THE LEADING EDGE OF THE SWELL WILL CREEP NORTHWARD ONTO THE PACIFIC COAST OF THE BAJA CALIFORNIA PENINSULA BY THU EVENING WHERE IT WILL MIX WITH 15-17 SECOND W SWELL. SEAS HAVE BUILT TO 8 TO 10 FT PRIMARILY ACROSS WATER S OF 06N W OF 80W. SEAS OF 7-9 FT WILL CONTINUE TO SPREAD NORTHWARD E OF THE GALAPAGOS ISLANDS REACHING 08.5N BY THU EVENING BEFORE SUBSIDING TO LESS TO 8 FT THERE ON FRI. ALTIMETER SETTING DATA DURING THE EARLY MORNING HOURS OF TODAY HAVE BEEN SHOWING 8 TO 9 FOOT SEA HEIGHTS REACHING AT LEAST 6N TO 7N BETWEEN 80W AND 90W. GAP WINDS... THE GULF OF PAPAGAYO...THE SURFACE RIDGE THAT IS IN THE SW N ATLC AND GULF OF MEXICO IS FORECAST TO DIP S ON THU AND INCREASE THE PRESSURE GRADIENT BETWEEN IT AND THE MONSOON TROUGH TO THE S OF THE GULF OF PAPAGAYO. WINDS ARE EXPECTED TO INCREASE TO 20-25 KT WITH THE ASSISTANCE OF NOCTURNAL DRAINAGE FLOW OVERNIGHT THU NIGHT...WITH SEAS BUILDING TO 9 FT. WINDS AND SEAS WILL DIMINISH BY FRI EVENING. $$ MT