794
FXHW60 PHFO 261943
AFDHFO
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HONOLULU HI
943 AM HST SUN APR 26 2026
SYNOPSIS
A HIGH PRESSURE SYSTEM FAR NORTH OF THE HAWAIIAN ISLANDS WILL
SLOWLY DRIFT EAST OVER THE NEXT TWO DAYS, HOWEVER A BROAD RIDGE
NORTH OF THE REGION WILL REMAIN IN PLACE KEEPING EASTERLY TRADE
WINDS IN THE FORECAST THROUGH THE END OF NEXT WEEK. A LOW LEVEL
TROUGH MOVING ACROSS THE REGION TODAY AND AN UPPER LEVEL TROUGH
APPROACHING THE ISLANDS ON MONDAY WILL DEEPEN INTO AN UPPER LOW
BY TUESDAY, LEADING TO INCREASING CLOUD AND SHOWER TRENDS ACROSS
THE REGION LASTING INTO THE END OF NEXT WEEK. SHOWER ACTIVITY
DURING THIS TIME PERIOD WILL FAVOR WINDWARD MOUNTAIN AREAS IN THE
OVERNIGHT TO EARLY MORNING HOURS WITH BRIEF PERIODS OF SHOWERS
DRIFTING INTO LEEWARD AREAS.
SHORT TERM UPDATE
ISOLATED SHOWERS WERE MOVING ONTO WINDWARD COASTS IN TRADE WINDS
THIS MORNING, AND THIS SHOULD CONTINUE THROUGH THE AFTERNOON
BEFORE BECOMING MORE NUMEROUS TONIGHT. WE ALSO EXPECT A FEW HIGHER
ELEVATION AND KONA SHOWERS ON THE BIG ISLAND THIS AFTERNOON. WIND
SPEEDS WERE AVERAGING 5-15 MPH, WITH GUSTS 15 TO 20 MPH ACROSS A
FEW FAVORED TYPICALLY WINDY SPOTS. ALL THIS IS HANDLED WELL BY THE
CURRENT FORECAST AND NO UPDATE IS PLANNED AT THIS TIME.
AVIATION
MODERATE TO LOCALLY BREEZY TRADES THROUGH EARLY NEXT WEEK. LOW
CIGS AND SHRA POSSIBLE OVER WINDWARD AND MAUKA LOCATIONS. MVFR
CONDS POSSIBLE BUT VFR PREVAILS.
NO AIRMETS IN EFFECT.
MARINE
ISSUED AT 337 AM HST SUN APR 26 2026
THE EASTERLY TRADES HAVE EASED SLIGHTLY COMPARED TO THE PAST
COUPLE OF DAYS AS A WEAK SURFACE TROUGH MOVES THROUGH THE REGION
FROM EAST TO WEST. GUIDANCE INDICATES TRADES WILL STRENGTHEN BACK
TO FRESH TO LOCALLY STRONG LEVELS TONIGHT INTO EARLY THIS WEEK
ONCE THIS FEATURE SHIFTS WEST OF THE AREA. THIS WILL LIKELY
SUPPORT A RETURN OF SMALL CRAFT ADVISORY CONDITIONS ACROSS THE
TYPICALLY WINDIER WATERS SURROUNDING MAUI COUNTY AND THE BIG
ISLAND. STRONG HIGH PRESSURE REBUILDING FAR NORTH OF THE STATE BY
MIDWEEK SHOULD MAINTAIN STRONG TRADES, WITH ADVISORY-LEVEL WINDS
POTENTIALLY EXPANDING TO ADDITIONAL COASTAL WATERS STATEWIDE.
SURF ALONG NORTH FACING SHORES WILL PEAK TODAY NEAR THE LATE-
APRIL SEASONAL AVERAGE, THEN GRADUALLY EASE THROUGH THE FIRST
HALF OF THE WEEK. OFFSHORE AND NEARSHORE BUOY OBSERVATIONS
SUPPORT THIS TREND, SHOWING A DECENT MEDIUM-PERIOD PULSE MOVING
THROUGH EARLY THIS MORNING. AN UPWARD TREND IS EXPECTED DURING
THE SECOND HALF OF THE WEEK AS SWELL GENERATED BY A BROAD LOW
LIFTING NORTH INTO THE BERING SEA NEAR THE DATE LINE REACHES THE
ISLANDS. LOOKING FARTHER AHEAD, CONFIDENCE REMAINS LOWER DUE TO
MODEL DIFFERENCES, BUT SOME GUIDANCE CONTINUES TO SUGGEST A MORE
POTENT STORM COULD DEVELOP OVER THE FAR NORTHWEST PACIFIC MONDAY
INTO TUESDAY. IF THIS SCENARIO MATERIALIZES, A LONGER-PERIOD
NORTHWEST SWELL COULD ARRIVE BY NEXT WEEKEND, WITH SURF HEIGHTS
POTENTIALLY APPROACHING ADVISORY LEVELS ALONG EXPOSED NORTH AND
WEST FACING SHORES.
SURF ALONG SOUTH FACING SHORES WILL TREND UP, THOUGH LIKELY
REMAIN SOMEWHAT INCONSISTENT, AS A SOUTHWEST SWELL ARRIVES AND
PEAKS OVER THE NEXT 24 HOURS. THIS WILL BE FOLLOWED BY A GRADUAL
DOWNWARD TREND BY MONDAY. ANOTHER SMALL SOUTH-SOUTHWEST PULSE MAY
ARRIVE NEXT WEEKEND FROM ACTIVITY WITHIN OUR SWELL WINDOW EAST OF
NEW ZEALAND.
SURF ALONG EAST FACING SHORES WILL REMAIN RELATIVELY SMALL AND
CHOPPY DUE TO A COMBINATION OF LOCALLY WIND-DRIVEN SEAS AND A
SMALL NORTHEAST GROUNDSWELL MOVING THROUGH TODAY.
HFO WATCHES/WARNINGS/ADVISORIES
NONE.
SHORT TERM UPDATE...PARKER
DISCUSSION...BOHLIN
AVIATION...WALSH
MARINE...GIBBS
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