742
FXHW60 PHFO 110149
AFDHFO

Area Forecast Discussion
National Weather Service Honolulu HI
349 PM HST Tue Jun 10 2025

.SYNOPSIS...
Typical summertime trade wind weather is expected throughout the
week with some scattered showers focused near windward and mauka
areas and mostly dry conditions over leeward areas. Trade winds
will strengthen and become breezy to locally strong Friday into
the weekend.

&&

.DISCUSSION...
A weak trough to our west is making the trade winds slightly
south of due east this afternoon over the western end of the state
as seen on the daytime ASCAT pass. Otherwise we are seeing fairly
typical summertime trade wind weather this afternoon with some
light showers across parts of the state. Trade winds will
continue to remain moderate to locally breezy and mainly out of
the east direction rather than our typical east- northeast
direction through Thursday.

As the trough to the west weakens and dissipates, a ridge of high
pressure will strengthen to our north and we should see the
return of breezy to locally strong east-northeast trade winds
Friday into the weekend. Leeward areas will remain mostly dry with
a few light showers possible during the morning and overnight
periods. Kona slopes of the Big Island will continue to see
afternoon clouds and showers each afternoon due to the sea breezes
with showers and clouds gradually clearing during the night as
land breezes develop.

In the upper levels of the atmosphere, we do have a strong jet
overhead which will continue to bring a stream of high cirrus
clouds at times throughout the week. Currently the high cirrus
clouds remains over the eastern end of the state around Big
Island. The high cirrus clouds could produce some unique colors
in the sky during the sunrises and sunsets.

&&

.AVIATION...
Moderate to locally breezy trades will continue across the island
chain through this evening, then strengthen slightly tomorrow.
Clouds and showers will tend to favor windward and mauka areas as
pockets of moisture roll in on the trades, particularly during the
overnight to early morning hours. Outside of any brief showers,
VFR conditions will generally prevail through tomorrow.

No AIRMETs are currently in effect this afternoon. Overnight,
AIRMET Sierra for mountain obscuration may be needed for windward
areas if shower coverage expands and persists.


&&

.MARINE...
High pressure remains anchored northeast of the islands through
the week re-centering to north and strengthening this weekend. As
a result, fresh to locally strong trades will become strong on a
more widespread basis during the weekend into early next week. The
Small Craft Advisory for the typical windier waters of Maui
County and the Big Island has been extended through Thursday.

Fading SSW swell declines through Wednesday leaving tiny
background energy in its wake. A small, moderate period S swell
then brings a small bump by late this weekend. Pulses of small,
short period energy of the N quadrant will keep north shores from
going flat. Trades maintain short period chop and low amplitude
fresh swell along E shores through the forecast period.

&&

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


&&

$$


DISCUSSION...Kino
AVIATION...Farris
MARINE...JVC