030
FNAK77 PAJK 302237
FWSAJK

Spot Forecast for marvel island...Coast Guard
National Weather Service Juneau AK
237 PM AKDT Wed Sep 30 2026

Forecast is based on forecast start time of 1500 AKDT on September 30.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office at (907) 790-6824, if you have questions
or concerns with this forecast.

.DISCUSSION...
Onshore flow will continue to bring showers through tonight into
early Thursday. High pressure will build in through Friday and bring
clearing and drier conditions for Thursday night into Friday.
Generally gentle winds and seas 2 to 3 ft inside of Davidson Inlet
towards Marble Island, but moderate to fresh winds and seas 5 to 6 ft
along the outer coastal waters of PoW Island. With passing showers,
MVFR VIS visibility (3-5 statute miles) and ceilings (1-3 kft) expected.
Otherwise, VFR flight conditions expected between showers.

.REST OF TODAY...

Sky/weather.........Partly sunny (55-65 percent). Chance of
                    rain showers.
Chance of pcpn......40 percent.
Max temperature.....Around 54.
Min humidity........83 percent.
Dewpoint............48.
Surface winds (mph).South winds 8 to 10 mph.
Swell height........SW swell 1 foot.
Wave height.........2 feet.
Freezing spray......None.
Sea surface temp....52 Degrees Fahrenheit.

TIME (AKDT)      3PM 4PM 5PM
Sky (%).........53  58  58
Weather cov.....CH  CH  CH
Weather type....RW  RW  RW
Tstm cov........
Chc of pcpn (%).20  30  40
Temp............52  51  50
Dewpoint........48  47  46
RH..............85  85  85
Surface wnd dir.SW  S   S
Surface wnd spd.8   9   9
Surface wnd gst.12  13  13
Swell direction.SW  SW  SW
Swell hgt (ft)..1   1   1
Wave height (ft)1   2   2
Freezing spray..
SST (F).........52  52  52

.TONIGHT...

Sky/weather.........Mostly cloudy (70-80 percent). Rain showers
                    likely.
Chance of pcpn......70 percent.
Min temperature.....Around 45.
Max humidity........96 percent.
Dewpoint............44.
Surface winds (mph).South winds 9 to 11 mph.
Swell height........SW swell 1 foot.
Wave height.........2 feet.
Freezing spray......None.
Sea surface temp....52 Degrees Fahrenheit.

TIME (AKDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........58  78  78  78  92  92  92  92  92  92  94  94
Weather cov.....SCH LKY LKY LKY CHC CHC CHC LKY LKY LKY LKY LKY
Weather type....RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........
Chc of pcpn (%).40  60  60  60  50  50  50  70  70  70  70  70
Temp............50  48  48  48  47  47  47  47  47  47  47  46
Dewpoint........46  46  45  44  44  44  44  45  43  44  44  43
RH..............87  90  88  88  89  88  88  92  88  91  91  89
Surface wnd dir.S   S   S   S   S   S   S   S   S   S   S   S
Surface wnd spd.9   9   9   9   10  10  10  9   9   9   10  10
Surface wnd gst.13  13  13  13  15  15  15  13  13  13  15  15
Swell direction.SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW
Swell hgt (ft)..1   1   1   1   1   1   1   1   1   1   1   1
Wave height (ft)2   2   2   2   2   2   2   2   2   2   1   1
Freezing spray..
SST (F).........52  52  52  52  52  52  52  52  52  52  52  52

$$
Forecaster...Slagle
Requested by...OS2 marcus
Type of request...SAR
.TAG 2622869.0/AJK
.DELDT 09/30/26
.FormatterVersion 2.0.0
.EMAIL SCCSOUTHEASTALASKA@USCG.MIL