997
FZHW61 PHFO 122204
OFFN10
NAVTEX MARINE FORECAST FOR HAWAIIAN WATERS
NATIONAL WEATHER SERVICE HONOLULU HI
1204 PM HST WED AUG 12 2026
...PLEASE REFER TO COASTAL WATERS FORECASTS AVAILABLE THROUGH
NOAA WEATHER RADIO AND OTHER MEANS FOR DETAILED COASTAL
FORECASTS...
SYNOPSIS
HIGH PRESSURE TO THE FAR NE WILL SLOWLY DRIFT INTO
POSITION N OF THE HAWAIIAN ISLANDS INTO THE WEEKEND, PRODUCING
MODERATE TO LOCALLY STRONG TRADE WINDS ACROSS THE REGION.
POTENTIAL TROPCIAL CYCLONE ONE-C WAS LOCATED NEAR 14.7N 142.6W AT
12/2100Z MOVING WEST OR 260 DEGREES AT 9 KT. THIS POTENTIAL
TROPICAL CYCLONE IS LIKELY TO DEVELOP SE OF THE AREA OVER THE
NEXT DAY OR TWO AND ADVANCE TOWARD THE HAWAII REGION, LIKELY
ENTERING THE OFFSHORE WATERS FROM FRIDAY THROUGH THE WEEKEND.
FORECAST POSITIONS AND MAX WINDS INIT 12/2100Z 14.7N 142.6W 35 KT
40 MPH...POTENTIAL TROP CYCLONE 12H 13/0600Z 15.2N 143.7W 35 KT
40 MPH...POTENTIAL TROP CYCLONE 24H 13/1800Z 15.9N 145.1W 40 KT
45 MPH...TROPICAL CYCLONE 36H 14/0600Z 17.0N 147.1W 45 KT 50 MPH
48H 14/1800Z 17.9N 149.5W 50 KT 60 MPH 60H 15/0600Z 18.6N 152.0W
55 KT 65 MPH 72H 15/1800Z 19.3N 154.6W 60 KT 70 MPH 96H 16/1800Z
21.0N 160.0W 55 KT 65 MPH 120H 17/1800Z 22.9N 165.8W 60 KT 70 MPH
HAWAIIAN WATERS WITHIN 40 NAUTICAL MILES INCLUDING THE CHANNELS-
TONIGHT
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 5 TO 7 FEET.
WAVE DETAIL: EAST 5 FEET AT 6 SECONDS AND SOUTH SOUTHWEST 4 FEET
AT 16 SECONDS. SCATTERED SHOWERS.
THURSDAY
EAST NORTHEAST WINDS 25 TO 30 KNOTS ALENUIHAHA
CHANNEL...EAST NORTHEAST 15 TO 20 KNOTS ELSEWHERE. SEAS 5 TO
8 FEET. WAVE DETAIL: EAST 5 FEET AT 7 SECONDS AND SOUTH SOUTHWEST
3 FEET AT 15 SECONDS. ISOLATED SHOWERS.
THURSDAY NIGHT
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO
9 FEET. WAVE DETAIL: EAST 6 FEET AT 8 SECONDS AND SOUTH SOUTHWEST
3 FEET AT 14 SECONDS. ISOLATED SHOWERS.
FRIDAY
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 8 TO 11 FEET. WAVE
DETAIL: EAST 8 FEET AT 11 SECONDS AND SOUTH SOUTHWEST 4 FEET AT
14 SECONDS. ISOLATED SHOWERS.
FRIDAY NIGHT...EAST NORTHEAST WINDS 15 TO 20 KNOTS TO KAUAI
TROPICAL STORM CONDITIONS POSSIBLE ELSEWHERE. SEAS 10 TO 14 FEET.
SCATTERED SHOWERS.
SATURDAY...EAST NORTHEAST WINDS 20 TO 25 KNOTS TO KAUAI
TROPICAL STORM CONDITIONS POSSIBLE ELSEWHERE. SEAS 12 TO 16 FEET.
SCATTERED SHOWERS.
SATURDAY NIGHT
TROPICAL STORM CONDITIONS POSSIBLE. SEAS 11 TO
15 FEET. HEAVY SHOWERS LIKELY.
SUNDAY
TROPICAL STORM CONDITIONS POSSIBLE. SEAS 11 TO 15 FEET,
SUBSIDING TO 8 TO 11 FEET. HEAVY SHOWERS LIKELY THROUGH THE
NIGHT, THEN SCATTERED SHOWERS THROUGH THE DAY.
MONDAY
EAST WINDS 15 TO 20 KNOTS. SEAS 6 TO 8 FEET. SCATTERED
SHOWERS THROUGH THE NIGHT, THEN ISOLATED SHOWERS THROUGH THE DAY.
HAWAIIAN OFFSHORE WATERS-
..TROPICAL STORM CONDITIONS POSSIBLE FRIDAY THROUGH SUNDAY
THIS AFTERNOON
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
TONIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
THURSDAY
NE WINDS 10 TO 20 KT. SEAS 6 TO 10 FT.
THURSDAY NIGHT
NE WINDS 15 TO 25 KT. SEAS 7 TO 12 FT.
FRIDAY
E WINDS 10 TO 20 KT NW HALF, TROPICAL CONDITIONS
POSSIBLE SE HALF. SEAS 7 TO 20 FT, HIGHEST FAR SE WATERS.
ISOLATED THUNDERSTORMS SE WATERS.
SATURDAY
TROPICAL STORM CONDITIONS POSSIBLE E OF 160W, NE 10
TO 20 KT W OF 160W. SEAS 7 TO 24 FT, HIGHEST SE HALF. . ISOLATED
THUNDERSTORMS E OF 160W.
SUNDAY
TROPICAL STORM CONDITIONS POSSIBLE NW HALF. SE 20 TO
30 KT SE HALF. SEAS 7 TO 24 FT, HIGHEST NW WATERS. ISOLATED
THUNDERSTORMS S OF 24N.
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