540  
FZHW61 PHFO 212120  
OFFN10  
 
NAVTEX MARINE FORECAST FOR HAWAIIAN WATERS  
NATIONAL WEATHER SERVICE HONOLULU HI  
1120 AM HST FRI AUG 21 2026  
 
...PLEASE REFER TO COASTAL WATERS FORECASTS AVAILABLE THROUGH  
NOAA WEATHER RADIO AND OTHER MEANS FOR DETAILED COASTAL  
FORECASTS...  
   
SYNOPSIS  
A WEAK TROUGH WILL CONTINUE TO MOVE NW ACROSS THE N  
OFFSHORE WATERS THROUGH TODAY BEFORE EXITING THE AREA. AT  
2100 UTC, TROPICAL STORM MOKE WAS LOCATED AT 13.9N 147.2W, MOVING  
WNW AT 8 KT. TROPICAL STORM MOKE IS EXPECTED TO TRACK THROUGH THE  
S OFFSHORE WATERS THIS WEEKEND.  
 
 
 
HAWAIIAN WATERS WITHIN 40 NAUTICAL MILES INCLUDING THE CHANNELS-  
   
TODAY...EAST SOUTHEAST WINDS 7 TO 10 KNOTS TO KAUAI  
EAST 15 TO  
20 KNOTS ELSEWHERE. SEAS 4 TO 6 FEET. WAVE DETAIL: EAST 4 FEET AT  
6 SECONDS. ISOLATED SHOWERS.    
TONIGHT  
EAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET. WAVE  
DETAIL: EAST 5 FEET AT 7 SECONDS. ISOLATED SHOWERS.    
SATURDAY  
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 7 TO  
10 FEET. WAVE DETAIL: EAST 7 FEET AT 7 SECONDS AND WEST NORTHWEST  
3 FEET AT 12 SECONDS. ISOLATED SHOWERS.    
SATURDAY NIGHT  
EAST NORTHEAST WINDS 25 TO 30 KNOTS. SEAS 9 TO  
12 FEET. WAVE DETAIL: EAST 8 FEET AT 8 SECONDS, SOUTHEAST 3 FEET  
AT 10 SECONDS AND WEST NORTHWEST 3 FEET AT 11 SECONDS. SCATTERED  
SHOWERS.    
SUNDAY  
EAST NORTHEAST WINDS 25 TO 30 KNOTS. SEAS 9 TO 13 FEET.  
SCATTERED SHOWERS.    
SUNDAY NIGHT  
EAST NORTHEAST WINDS 25 TO 30 KNOTS. SEAS 9 TO  
13 FEET. SCATTERED SHOWERS.    
MONDAY  
EAST NORTHEAST WINDS 20 TO 25 KNOTS, BECOMING EAST  
15 TO 20 KNOTS. SEAS 9 TO 13 FEET. SCATTERED SHOWERS.    
TUESDAY  
EAST WINDS 15 TO 20 KNOTS. SEAS 6 TO 9 FEET, SUBSIDING  
TO 5 TO 6 FEET. SCATTERED SHOWERS.  
 
 
 
HAWAIIAN OFFSHORE WATERS-  
   
..TROPICAL STORM WARNING IN EFFECT  
 
   
THIS AFTERNOON  
E OF 160W, E WINDS 10 TO 20 KT. W OF 160W, E  
WINDS UP TO 10 KT, RISING TO 10 TO 15 KT LATE IN THE AFTERNOON.  
SEAS 6 TO 7 FT.    
TONIGHT  
E WINDS 15 TO 25 KT E OF 160W, E 10 TO 15 KT W OF  
160W. SEAS 6 TO 9 FT.    
SATURDAY  
E WINDS 10 TO 20 KT NW HALF, NE 20 TO 30 KT SE HALF.  
SEAS 6 TO 9 FT, BUILDING TO 6 TO 11 FT IN THE AFTERNOON. ISOLATED  
THUNDERSTORMS SE WATERS.    
SATURDAY NIGHT  
TROPICAL STORM MOKE ENTERING FAR S WATERS. E  
WINDS 15 TO 25 KT NW HALF, E 35 TO 45 KT SE HALF. SEAS 6 TO  
12 FT. ISOLATED THUNDERSTORMS SE WATERS.   
SUNDAY  
E WINDS 15 TO 25 KT NW HALF, E 30 TO 40 KT SE HALF.  
SEAS 7 TO 12 FT. ISOLATED THUNDERSTORMS SE WATERS.    
MONDAY  
E WINDS 10 TO 20 KT N OF 20N, E 20 TO 30 KT ELSEWHERE.  
SEAS 6 TO 9 FT. ISOLATED THUNDERSTORMS S OF 24N.    
TUESDAY  
E WINDS 10 TO 20 KT. SEAS 6 TO 7 FT. ISOLATED  
THUNDERSTORMS S OF 24N.  
 
 
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