Small Craft Advisory 76, NWS Fairbanks, AK

615 
FZAK51 PAFG 311129
CWFNSB

COASTAL WATERS FORECAST FOR ARCTIC ALASKA
NATIONAL WEATHER SERVICE FAIRBANKS AK
329 AM AKDT FRI AUG 31 2012

ARCTIC ALASKA COASTAL WATERS OUT 100 NM

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT THE AVERAGE OF THE HIGHEST ONE-
THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ298-010230-
329 AM AKDT FRI AUG 31 2012

.SYNOPSIS FOR ARCTIC COAST...
A NARROW RIDGE OF HIGH PRESSURE WILL PERSIST OVER THE CHUKCHI 
AND BEAUFORT SEAS THROUGH SATURDAY. A 994 MB LOW OVER THE 
WESTERN SEWARD PENINSULA WILL WEAKEN TO 999 MB BY 4 AM 
SATURDAY.


$$

PKZ225-010230-
CAPE THOMPSON TO CAPE BEAUFORT-
329 AM AKDT FRI AUG 31 2012

...GALE WARNING IN EFFECT THROUGH TONIGHT...

.TODAY...NE WINDS 40 KT. SEAS 13 FT. RAIN AND FOG.
.TONIGHT...NE WINDS 35 KT DIMINISHING TO 25 KT BY MIDNIGHT.
SEAS 12 FT. FOG.
.SAT...NE WINDS 25 KT. SEAS 9 FT. FOG.
.SAT NIGHT...NE WINDS 25 KT. SEAS 8 FT. 
.SUN...NE WINDS 25 KT. SEAS 8 FT. 
.SUN NIGHT...NE WINDS 25 KT. SEAS 8 FT. 
.MON...NE WINDS 25 KT. SEAS 13 FT. 
.TUE...NE WINDS 25 KT. SEAS 13 FT.  

$$

PKZ230-010230-
CAPE BEAUFORT TO POINT FRANKLIN-
329 AM AKDT FRI AUG 31 2012

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TONIGHT...

.TODAY...NE WINDS 30 KT. SEAS 9 FT. RAIN AND FOG.
.TONIGHT...NE WINDS 25 KT. SEAS 8 FT. FOG.
.SAT...NE WINDS 25 KT. SEAS 6 FT. DRIZZLE AND FOG.
.SAT NIGHT...NE WINDS 25 KT. SEAS 5 FT. 
.SUN...NE WINDS 25 KT. SEAS 5 FT. 
.SUN NIGHT...NE WINDS 25 KT. SEAS 5 FT. 
.MON...NE WINDS 20 KT. SEAS 9 FT. 
.TUE...NE WINDS 20 KT. SEAS 9 FT.  

$$

PKZ235-010230-
POINT FRANKLIN TO CAPE HALKETT-
329 AM AKDT FRI AUG 31 2012

.TODAY...NE WINDS 20 KT. SEAS 5 FT. DRIZZLE AND FOG.
.TONIGHT...NE WINDS 20 KT. SEAS 5 FT. DRIZZLE AND FOG.
.SAT...NE WINDS 15 KT. SEAS 4 FT. DRIZZLE AND FOG.
.SAT NIGHT...NE WINDS 15 KT. SEAS 4 FT. 
.SUN...NE WINDS 15 KT. SEAS 4 FT. 
.SUN NIGHT...NE WINDS 15 KT. SEAS 3 FT. 
.MON...NE WINDS 20 KT. SEAS 8 FT. 
.TUE...NE WINDS 20 KT. SEAS 8 FT.  

$$

PKZ240-010230-
CAPE HALKETT TO FLAXMAN ISLAND-
329 AM AKDT FRI AUG 31 2012

.TODAY...NE WINDS 20 KT. SEAS 5 FT. DRIZZLE AND FOG.
.TONIGHT...E WINDS 20 KT. SEAS 5 FT. DRIZZLE AND FOG.
.SAT...E WINDS 20 KT. SEAS 5 FT. DRIZZLE AND FOG.
.SAT NIGHT...NE WINDS 20 KT. SEAS 5 FT. 
.SUN...NE WINDS 20 KT. SEAS 5 FT. 
.SUN NIGHT...NE WINDS 15 KT. SEAS 4 FT. 
.MON...NE WINDS 20 KT. SEAS 8 FT. 
.TUE...NE WINDS 20 KT. SEAS 8 FT.  

$$

PKZ245-010230-
FLAXMAN ISLAND TO DEMARCATION POINT-
329 AM AKDT FRI AUG 31 2012

.TODAY...NE WINDS 20 KT. SEAS 5 FT. RAIN AND FOG.
.TONIGHT...E WINDS 20 KT. SEAS 5 FT. FOG.
.SAT...E WINDS 20 KT. SEAS 5 FT. FOG.
.SAT NIGHT...NE WINDS 20 KT. SEAS 5 FT. RAIN.
.SUN...NE WINDS 20 KT. SEAS 5 FT. 
.SUN NIGHT...NE WINDS 15 KT. SEAS 5 FT. 
.MON...E WINDS 20 KT. SEAS 7 FT. 
.TUE...E WINDS 20 KT. SEAS 7 FT.  

$$

RF/DJH AUG 12

NORTHERN ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FAIRBANKS AK
217 AM AKDT THU AUG 30 2012

.DISCUSSION...
SOUTH TO SOUTHWEST FLOW ALOFT WITH ABOVE NORMAL HEIGHTS
OVER THE CENTRAL AND EASTERN INTERIOR WILL PERSIST THROUGH
SATURDAY...EXCEPT FOR A BRIEF INTERMISSION FRIDAY AS AN
EMBEDDED SHORT WAVE TRANSITS NORTHEASTWARD. COOLER TEMPERATURES
AND LOWER HEIGHTS SPREADING TO THE CENTRAL AND EASTERN INTERIOR
SATURDAY NIGHT AS A LONG WAVE TROUGH ALONG THE WEST COAST
GRADUALLY EXPANDS EASTWARD. A 994 MB SURFACE LOW OVER NORTON
SOUND WILL MOVE TO KOTZEBUE SOUND BY EARLY FRIDAY MORNING...THEN
REMAIN NEARLY STATIONARY THROUGH SATURDAY MORNING WHILE FILLING
TO AROUND 1000 MB. THE SURFACE AND UPPER LOW CENTERS WILL BECOME
VERTICALLY STACKED BY EARLY FRIDAY. THESE FEATURES ALONG WITH
A FRONTAL ZONE EXTENDING ACROSS THE WESTERN INTERIOR WILL PRODUCE
WIDESPREAD RAIN OVER THE WESTERN INTERIOR...MOST OF THE BROOKS
RANGE AND THE INTERIOR ARCTIC SLOPE TODAY AND TONIGHT. RAIN WILL
LIKELY SPREAD INTO THE CENTRAL INTERIOR AND MOST OF THE EASTERN
INTERIOR FRIDAY AND FRIDAY NIGHT...BUT THE RAINFALL AMOUNTS WILL
BE LIGHTER.

COASTAL HAZARD POTENTIAL...NORTH TO NORTHEAST GALES DEVELOPING
IN WESTERN PKZ220-PKZ225 BY THIS AFTERNOON AND CONTINUING INTO
FRIDAY. SEAS EXPECTED TO BUILD TO 10-12 FEET IN THE BERING STRAIT
BY LATE TONIGHT...PRODUCING ELEVATED SURF AT LITTLE DIOMEDE. LITTLE
OR NO STORM SURGE IS EXPECTED IN THE BERING STRAIT OR ALONG THE
NORTHERN SEWARD PENINSULA COAST WEST OF CAPE ESPENBERG. ALONG THIS
STRETCH OF THE COAST...THE STRONGEST WINDS AND HIGHEST SEAS ARE
EXPECTED TO BE WEST OF SHISHMAREF. IN THE SHISHMAREF AREA...SEAS
COULD BUILD TO 8 FEET WELL OFFSHORE TONIGHT...BUT THE WAVES
WILL DIMINISH AS THEY BREAK ONSHORE. WINDS IN PKZ220-PKZ225
ARE EXPECTED TO DIMINISH TO BELOW GALE BY LATE FRIDAY NIGHT.

&&

.FIRE WEATHER...
LOCAL SOUTH WINDS GUSTING TO 30-50 MPH IN ALASKA RANGE PASSES
TODAY...DIMINISHING TONIGHT. MIN RH THIS AFTERNOON LIKELY TO BE IN
THE 30-45 PERCENT RANGE. COOLER TEMPERATURES AND HIGHER MIN RH
EXPECTED FRIDAY AND INTO THE WEEKEND. NO RED FLAGS EXPECTED.

&&

.HYDROLOGY...
WIDESPREAD RAINFALL AMOUNTS OF 0.5 TO 1 INCH WITH LOCAL AMOUNTS
OVER AN INCH EXPECTED OVER THE WESTERN INTERIOR...CENTRAL AND
WESTERN BROOKS RANGE...AND THE SOUTHERN PARTS OF THE INTERIOR
ARCTIC SLOPE TODAY THROUGH TONIGHT. SOME SMALL STREAMS MAY RISE TO
NEAR BANKFULL STAGE...BUT NO FLOODING IS EXPECTED AT THIS TIME.
RAINFALL AMOUNTS OF 0.5 TO 1 INCH MAY OCCUR OVER THE CENTRAL AND
WESTERN SEWARD PENINSULA DURING THE SAME TIME FRAME.

&&

.AFG WATCHES/WARNINGS/ADVISORIES...
SMALL CRAFT ADVISORY FOR PKZ210-PKZ230.

GALE WARNING FOR PKZ220-PKZ225.
&&

RF AUG 12