000
FXHW60 PHFO 221945
AFDHFO

Area Forecast Discussion
National Weather Service Honolulu HI
945 AM HST Mon Apr 22 2024

.SYNOPSIS...
Moderate to breezy northeast to east trade winds will prevail
through the week, with clouds and showers favoring windward and
mauka locations overnight and into the morning hours. Trade winds
may ease slightly this weekend as the ridge weakens to the north.

&&

.DISCUSSION...
Guidance remains in good agreement through the week and depicts
mostly benign conditions persisting with the subtropical ridge
remaining in place to the north. Moderate to breezy northeast
trades will continue today, then shift out of the east tonight
through Tuesday as a residual band of moisture settles southward
into the area. This band of moisture will stall in the area and
slowly diminish through midweek. This will support increasing
windward shower coverage, with some showers making it over to our
leeward sections of the smaller islands.

The breezy trades may ease slightly this weekend into early next
week as the ridge weakens to the north in response to deep low
pressure developing far northwest of the state near Midway.

&&

.AVIATION...
Moderate to breezy trades will deliver clouds and showers to
windward and mauka areas through the period as high stability
prevails. Localized MVFR possible in these areas with high
confidence in VFR leeward. Trades strengthen slightly tonight and
may warrant AIRMET Tango for lee turb.

No AIRMETs in effect.

&&

.MARINE...
High pressure north of the state will slowly drift east and
strengthen over the next several days, resulting in strengthening
trade winds over the islands. A Small Craft Advisory remains in
effect through Tuesday for the typical windier waters around Maui
and the Big Island.

Surf heights along all shores will remain below advisory thresholds
through the end of this week. A moderate, medium period north
swell will decrease today before another medium period northwest
swell builds into the region from late Wednesday into Thursday.
Surf along east facing shores will rise and become choppy as trade
winds strengthen. South facing shores will continue to see small
background swell pulses through the week.

&&

.HFO WATCHES/WARNINGS/ADVISORIES...
Small Craft Advisory until 6 PM HST Tuesday for Maalaea Bay-
Pailolo Channel-Alenuihaha Channel-Big Island Leeward Waters-Big
Island Southeast Waters.

&&

$$

DISCUSSION...Gibbs/Ahue
AVIATION...JVC
MARINE...Foster