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Kapolei, Hawaii 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Kapolei HI
National Weather Service Forecast for: Kapolei HI
Issued by: National Weather Service Honolulu, HI
Updated: 6:30 am HST Jun 6, 2025
 
Today

Today: Mostly sunny, with a high near 86. Breezy, with an east northeast wind 13 to 16 mph, with gusts as high as 23 mph.
Mostly Sunny
and Breezy
Tonight

Tonight: Mostly clear, with a low around 70. Northeast wind 10 to 13 mph.
Mostly Clear
Saturday

Saturday: Mostly sunny, with a high near 85. East northeast wind 9 to 13 mph.
Mostly Sunny
Saturday
Night
Saturday Night: Mostly clear, with a low around 71. East northeast wind 7 to 9 mph.
Mostly Clear
Sunday

Sunday: Sunny, with a high near 85. East northeast wind around 10 mph.
Sunny
Sunday
Night
Sunday Night: Mostly clear, with a low around 71. East wind around 10 mph.
Mostly Clear
Monday

Monday: Sunny, with a high near 85. East southeast wind around 10 mph.
Sunny
Monday
Night
Monday Night: Mostly clear, with a low around 72. East wind 8 to 10 mph.
Mostly Clear
Tuesday

Tuesday: Partly sunny, with a high near 85. East wind around 10 mph.
Partly Sunny
Hi 86 °F Lo 70 °F Hi 85 °F Lo 71 °F Hi 85 °F Lo 71 °F Hi 85 °F Lo 72 °F Hi 85 °F

 

Today
 
Mostly sunny, with a high near 86. Breezy, with an east northeast wind 13 to 16 mph, with gusts as high as 23 mph.
Tonight
 
Mostly clear, with a low around 70. Northeast wind 10 to 13 mph.
Saturday
 
Mostly sunny, with a high near 85. East northeast wind 9 to 13 mph.
Saturday Night
 
Mostly clear, with a low around 71. East northeast wind 7 to 9 mph.
Sunday
 
Sunny, with a high near 85. East northeast wind around 10 mph.
Sunday Night
 
Mostly clear, with a low around 71. East wind around 10 mph.
Monday
 
Sunny, with a high near 85. East southeast wind around 10 mph.
Monday Night
 
Mostly clear, with a low around 72. East wind 8 to 10 mph.
Tuesday
 
Partly sunny, with a high near 85. East wind around 10 mph.
Tuesday Night
 
Partly cloudy, with a low around 72. East wind 8 to 11 mph.
Wednesday
 
Mostly sunny, with a high near 85. East southeast wind 11 to 13 mph.
Wednesday Night
 
Mostly cloudy, with a low around 72. Breezy, with an east southeast wind 11 to 17 mph, with gusts as high as 24 mph.
Thursday
 
Partly sunny, with a high near 85. Breezy, with an east northeast wind 14 to 17 mph, with gusts as high as 24 mph.

 

Forecast from NOAA-NWS for Kapolei HI.

Weather Forecast Discussion
901
FXHW60 PHFO 061319
AFDHFO

Area Forecast Discussion
National Weather Service Honolulu HI
319 AM HST Fri Jun 6 2025

.SYNOPSIS...
A weak upper low just north of the Hawaiian Islands will slowly
weaken as it drifts northeastward away from the region. Enough
instability aloft will linger for brief periods of showers lasting
through the weekend favoring the overnight to early morning hours.
More stable conditions with drier trends will return from next
week Monday through Friday as high pressure builds in over the
region. Moderate easterly trade winds will develop each day through
much of next week.

&&

.DISCUSSION...
This mornings satellite imagery in the water vapor channel shows a
weak upper level low just north of the island chain, providing
enough divergence aloft for brief periods of showers mainly along
windward and mountain areas. This low will continue to weaken as
it slowly drifts towards the northeast direction over the next few
days. The infra-red satellite picture shows fairly stable clouds
riding in on the easterly trade winds, and a few showers will
develop as these clouds are driven up windward mountain slopes.

A general troughing pattern remains in place in the upper levels,
which will keep brief passing showers in the overnight to early
morning windward and mountain, and brief showers over island
interior sections during the day are in the forecast through the
weekend. On Monday this upper level pattern changes to a more
stable environment lasting through much of next week, as an upper
level ridge moves over the state, and the temperature inversion
heights drop to around 5,000 to 6,000 feet.

In our wind forecast guidance, we see light to moderate easterly
trades will continue into next week as the high pressure ridge
north of the state weakens in response to a migrating low pressure
system slowly drifting across the North Pacific. Some expansion
of daytime sea breezes along terrain sheltered western island
slopes should be expected during this time period. This means a
hybrid trade wind sea breeze weather regime will take hold over
each island with brief afternoon showers possible over island
interior sections this weekend due to the lingering troughing
environment and low level wind convergence bands forming along
trade wind and sea breeze boundaries.

&&

.AVIATION...
Expect light to moderate trade winds to develop across the region
each day with an expansion of sea breezes along terrain sheltered
western slopes of each island. A hybrid wind pattern between the
trade winds and sea breezes will converge during the afternoon
producing some cloud bands and a few showers over island mountain
and interior sections. Mostly VFR conditions will prevail.

No AIRMETs in effect.

&&

.MARINE...
Trades will gradually ease today, becoming gentle to fresh by
mid-morning as high pressure northeast of the state weakens.
Thus, the Small Craft Advisory for typical wind prone areas around
Maui and the Big Island has been allowed to expire. East-
northeast trades will remain gentle to fresh through this weekend,
then restrengthen early next week as high pressure rebuilds to
the north. In addition, a surface trough may develop west of the
islands which would act to veer winds slightly east- southeast.

Long period forerunners from a moderate south southwest (200-220)
swell are already beginning to show up on some of the near shore
buoys. This swell is expected to gradually fill through the
remainder of today, peak late tonight through early Sunday near
High Surf Advisory criteria, then slowly fade by early next week.

Choppy surf along east facing shores will persist today as a
moderate, medium period northeast swell peaks then slowly fades
through this weekend. Surf along north facing shores will remain
small through early next week.

&&

.HFO WATCHES/WARNINGS/ADVISORIES...
None.

&&

$$

DISCUSSION...Bohlin
AVIATION...Bohlin
MARINE...JT
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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