011
FNAK77 PAJK 220318
FWSAJK
SPOT FORECAST FOR ERNEST SOUND...COAST GUARD
NATIONAL WEATHER SERVICE JUNEAU AK
618 PM AKST FRI FEB 21 2025
FORECAST IS BASED ON FORECAST START TIME OF 1800 AKST ON FEBRUARY 21.
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
NO SIGNIFICANT CHANGES TO CURRENT FORECAST:
A LOW PRESSURE SYSTEM CONTINUES MOVING NORTHWARD IN THE THE
SOUTHEAST GULF OF ALASKA, CURRENTLY LOCATED JUST WEST OF HAIDA
GWAII WITH ITS FIRST FRONT EXTENDING FROM SITKA NORTHEASTWARD
TOWARDS JUNEAU WITH A SECONDARY FRONT PUSHING INTO SOUTHERN HAIDA
GWAII.
IN CLARENCE STRAIT, CURRENT OBSERVATIONS ARE INDICATING WINDS OUT
OF THE SOUTHEAST AT 25 KNOTS NEAR SHIP ISLAND, DECREASING TO
AROUND 15KTS NEAR LINCOLN ISLAND WITH SEAS APPROXIMATELY 3 TO 5
FEET WITH NEAR SAME CONDITIONS EXPECTED NEAR THE SPOT FORECAST
LOCATION.
THROUGH TONIGHT, RAIN SHOWERS WILL CONTINUE, WINDS WITHIN
CLARENCE STRAIT AND NEAR THE SPOT FORECAST LOCATION WILL INCREASE
TO SOUTHEASTERLY 20 TO 30KTS WITH SEAS APPROXIMATELY 3 TO 5 FEET.
CONDITIONS DETERIORATE BY THROUGH EARLY SATURDAY MORNING WITH
STRONGEST WINDS EXPECTED BETWEEN 10Z TO 18Z SATURDAY AS THE
SECONDARY FRONT PUSHES THROUGH THE AREA, WITH THE ASSOCIATED LOW
MOVING WEST OF BARANOF ISLAND.
TEMPERATURES SHOULD REMAIN STEADY THROUGH TOMORROW WITHIN THE LOW
TO MID 40S WITH NO FREEZING SPRAY ISSUES EXPECTED.
TONIGHT
SKY/WEATHER.........CLOUDY (95-100 PERCENT). RAIN.
CHANCE OF PCPN......100 PERCENT.
MIN TEMPERATURE.....AROUND 45.
MAX HUMIDITY........84 PERCENT.
DEWPOINT............39.
SURFACE WINDS (KTS).SOUTHEAST WINDS 21 TO 25 KNOTS.
WAVE HEIGHT.........5 FEET.
SEA SURFACE TEMP....41 DEGREES FAHRENHEIT.
TIME (AKST) 6 PM 9 PM MIDNGT 3 AM
SKY (%).........97 97 98 98
WEATHER COV.....DEFNTE DEFNTE DEFNTE DEFNTE
WEATHER TYPE....RAIN RAIN RAIN RAIN
TSTM COV........
CHC OF PCPN (%).100 100 100 100
TEMP............46 46 46 45
DEWPOINT........40 40 40 40
RH..............79 81 81 84
SFC WIND (KTS)..SE 25G31 SE 21G26 SE 24G29 SE 23G28
WAVE HEIGHT (FT)5 4 5 5
SST (F).........41 41 41 41
SATURDAY
SKY/WEATHER.........CLOUDY (90-100 PERCENT). RAIN.
CHANCE OF PCPN......100 PERCENT.
MAX TEMPERATURE.....AROUND 46.
MIN HUMIDITY........80 PERCENT.
DEWPOINT............39.
SURFACE WINDS (KTS).SOUTHEAST WINDS 19 TO 21 KNOTS.
WAVE HEIGHT.........4 FEET.
SEA SURFACE TEMP....41 DEGREES FAHRENHEIT.
TIME (AKST) 6 AM 9 AM NOON 3 PM
SKY (%).........95 94 95 96
WEATHER COV.....DEFNTE DEFNTE DEFNTE DEFNTE
WEATHER TYPE....RAIN RAIN RAIN RAIN
TSTM COV........
CHC OF PCPN (%).100 100 100 100
TEMP............45 46 45 45
DEWPOINT........40 40 40 39
RH..............83 82 82 81
SFC WIND (KTS)..SE 21G28 SE 21G26 SE 20G25 SE 19G24
WAVE HEIGHT (FT)4 4 4 4
SST (F).........41 41 41 41
SATURDAY NIGHT
SKY/WEATHER.........CLOUDY (90-100 PERCENT). RAIN.
CHANCE OF PCPN......100 PERCENT.
MIN TEMPERATURE.....AROUND 45.
MAX HUMIDITY........82 PERCENT.
DEWPOINT............39.
SURFACE WINDS (KTS).SOUTHEAST WINDS AROUND 18 KNOTS.
WAVE HEIGHT.........4 FEET.
SEA SURFACE TEMP....41 DEGREES FAHRENHEIT.
TIME (AKST) 6 PM 9 PM MIDNGT 3 AM
SKY (%).........95 96 90 90
WEATHER COV.....DEFNTE DEFNTE DEFNTE DEFNTE
WEATHER TYPE....RAIN RAIN RAIN RAIN
TSTM COV........
CHC OF PCPN (%).100 100 100 100
TEMP............45 45 46 45
DEWPOINT........39 39 40 40
RH..............81 79 81 82
SFC WIND (KTS)..SE 18G23 SE 18G23 SE 18G23 SE 18G23
WAVE HEIGHT (FT)4 3 3 3
SST (F).........41 41 41 41
FORECASTER...MORGAN
REQUESTED BY...CG
TYPE OF REQUEST...SAR
.TAG 2503415.4/AJK
.DELDT 02/21/25
.FORMATTERVERSION 2.0.0
.EMAIL SCCSOUTHEASTALASKA@USCG.MIL
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