617  
FNUS70 PHFO 211419  
FWSHFO  
 
SPOT FORECAST FOR WAKE ISLAND BURN...FWS  
NATIONAL WEATHER SERVICE HONOLULU HI  
419 AM HST TUE APR 21 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0600 HST ON APRIL 21.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
A TRAILING SURFACE TROUGH EXTENDING SOUTH OF THE REMNANTS OF  
FORMER TYPHOON SINLAKU PASSES NORTH TO SOUTH OVER WAKE ISLAND THIS  
MORNING. DRIER CONDITIONS CAN BE EXPECTED TODAY AFTER SCATTERED  
SHOWERS CLEAR OUT THIS MORNING. NORTHWESTERLY WINDS GRADUALLY  
SHIFT TO NORTHEASTERLY TRADE WINDS BY THURSDAY. MOISTURE INCREASES  
CLOSER TO SEASONAL VALUES BY FRIDAY NIGHT. TRADE WINDS STRENGTHEN  
AND BECOME EASTERLY THIS WEEKEND.  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY IN THE MORNING BECOMING PARTLY CLOUDY.  
SCATTERED SHOWERS, DECREASING TO ISOLATED SHOWERS  
IN THE AFTERNOON.  
CHANCE OF PCPN......30 PERCENT.  
MAX TEMPERATURE.....AROUND 83.  
MIN HUMIDITY........60 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 12 TO 15 MPH.  
MIXING HEIGHT.......4500 FT AGL.  
TRANSPORT WINDS.....WEST WINDS AROUND 15 MPH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
CHANCE OF PCPN......10 PERCENT.  
MIN TEMPERATURE.....AROUND 76.  
MAX HUMIDITY........75 PERCENT.  
WIND (20 FT)........NORTH WINDS 8 TO 12 MPH.  
MIXING HEIGHT.......1500 FT AGL.  
TRANSPORT WINDS.....WEST WINDS AROUND 9 MPH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED SHOWERS.  
CHANCE OF PCPN......20 PERCENT.  
MAX TEMPERATURE.....AROUND 84.  
MIN HUMIDITY........55 PERCENT.  
WIND (20 FT)........NORTHEAST WINDS 8 TO 13 MPH.  
MIXING HEIGHT.......3800 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST WINDS AROUND 11 MPH.  
 

 
FORECASTER...QUESADA  
REQUESTED BY...BRYAN QUIMBY  
TYPE OF REQUEST...MARINE  
.TAG 2607101.31/HFO  
.DELDT 04/21/26  
.FORMATTERVERSION 2.0.0  
.EMAIL BRYAN_QUIMBY@FWS.GOV  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab HI Page Main Text Page