179  
FNUS72 KNHC 211315  
FWSNHC  
 
SPOT FORECAST FOR HYDROPAC 954/23(83)...JRCC HONOLULU  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1700 GMT TUE MAR 21 2023  
 
FORECAST IS BASED ON FORECAST START TIME OF 1000 PDT ON MARCH 21.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NWS  
NATIONAL HURRICANE CENTER/TROPICAL ANALYSIS AND FORECAST  
BRANCH AT (305)229-4425.  
   
DISCUSSION  
 
SCATTERED SHOWERS AND THUNDERSTORMS RELATED TO THE ITCZ ARE NOTED  
AND WILL PERSIST FOR THE FORECAST PERIOD, BECOMING STRONGER AT  
TIMES RESULTING IN FRESH GUSTS. OTHERWISE, MAINLY GENTLE TO  
MODERATE TRADE WINDS WITH MODERATE SEAS WILL PREVAIL ACROSS THE  
REGION FOR AT LEAST THE NEXT 72 HOURS.  
 
LATITUDE = 05-48.00N  
LONGITUDE = 125-38.00W  
   
REST OF TODAY  
 
TIME (PDT) 10 AM 1 PM 4 PM  
SKY (%).........81 83 83  
WEATHER COV.....SCTTRD SCTTRD SCTTRD  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR  
TSTM COV........  
TEMP............80 80 80  
SFC WIND (KTS)..NE 14G19 NE 12G17 NE 13G18  
SWELL HGT (FT)..N 6 NE 6 NE 6  
WAVE PERIOD (S).6 6 6  
WIND WAVE (FT)..4 4 4  
WAVE HEIGHT (FT)6 6 6  
SST (F).........80 80 80  
   
TONIGHT  
 
TIME (PDT) 6 PM 9 PM MIDNGT 3 AM  
SKY (%).........92 92 96 96  
WEATHER COV.....NUMRUS NUMRUS NUMRUS NUMRUS  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR  
TSTM COV........SCTTRD SCTTRD SCTTRD SCTTRD  
TEMP............79 79 78 78  
SFC WIND (KTS)..NE 12G17 NE 12G17 NE 10G15 NE 11G16  
SWELL HGT (FT)..NE 6 NE 6 NE 5 NE 5  
WAVE PERIOD (S).6 6 7 7  
WIND WAVE (FT)..4 4 2 2  
WAVE HEIGHT (FT)6 6 6 5  
SST (F).........80 80 80 80  
   
WEDNESDAY  
 
TIME (PDT) 6 AM 9 AM NOON 3 PM  
SKY (%).........95 95 89 89  
WEATHER COV.....NUMRUS NUMRUS NUMRUS NUMRUS  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR  
TSTM COV........SCTTRD SCTTRD SCTTRD SCTTRD  
TEMP............76 76 78 78  
SFC WIND (KTS)..NE 10G15 NE 12G17 NE 11G16 NE 12G17  
SWELL HGT (FT)..NE 5 NE 5 NE 5 NE 5  
WAVE PERIOD (S).7 7 7 7  
WIND WAVE (FT)..4 4 4 4  
WAVE HEIGHT (FT)5 5 5 5  
SST (F).........80 80 80 80  
 
 
FORECASTER...CM  
REQUESTED BY...JRCC  
TYPE OF REQUEST...MARINE  
.TAG 2306801.0/NHC  
.DELDT 03/21/23  
.FORMATTERVERSION 2.0.0  
.EMAIL JRCCHONOLULU@USCG.MIL  
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