Coastal Waters Forecast
Issued by NWS Portland, OR

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COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE PORTLAND OREGON
250 AM PDT MON MAR 27 2017

COASTAL WATERS FROM CAPE SHOALWATER WASHINGTON TO FLORENCE OREGON
AND WESTWARD 60 NM

PZZ200-271700-
250 AM PDT MON MAR 27 2017

.SYNOPSIS FOR SOUTHERN WASHINGTON AND NORTHERN OREGON COAST...
A WEAK SURFACE TROUGH WILL MOVE THROUGH THE WATERS THIS MORNING.
ANOTHER FRONTAL STORM SYSTEM WILL DROP SOUTHEASTWARD INTO THE
WATERS TUESDAY. A DEVELOPING LOW PRESSURE WILL LIKELY RESULT IN
THE FRONT STALLING AND STRENGTHENING TUESDAY NIGHT AND EARLY
WEDNESDAY ACROSS OUR WATERS. HIGH PRES BUILDS OVER THE NE PAC
THU AND FRI...POTENTIALLY REMAINING THROUGH THE WEEKEND.

$$

PZZ250-255-270-275-271700-
COASTAL WATERS FROM CAPE SHOALWATER WA TO CASCADE HEAD OR OUT
10 NM-COASTAL WATERS FROM CASCADE HEAD TO FLORENCE OR OUT 10 NM-
WATERS FROM CAPE SHOALWATER WA TO CASCADE HEAD OR FROM 10 TO
60 NM-WATERS FROM CASCADE HEAD TO FLORENCE OR FROM 10 TO 60 NM-
250 AM PDT MON MAR 27 2017

...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT THROUGH
TUESDAY AFTERNOON...

.TODAY...W WIND 15 TO 20 KT WITH GUSTS TO 25 KT. WIND WAVES W
3 FT AT 5 SECONDS. SW SWELL 8 FT AT 10 SECONDS. SECONDARY SWELL
W 4 FT AT 21 SECONDS...BUILDING TO W 6 FT AT 19 SECONDS IN THE
AFTERNOON. SHOWERS. A SLIGHT CHANCE OF TSTMS EARLY IN THE
MORNING.
.TONIGHT...SW WIND 10 TO 15 KT...BECOMING S 20 TO 25 KT AFTER
MIDNIGHT. WIND WAVES SW 4 FT AT 6 SECONDS. W SWELL 12 FT AT
12 SECONDS...SUBSIDING TO 10 FT AT 12 SECONDS AFTER MIDNIGHT.
.TUE...S WIND 20 TO 25 KT WITH GUSTS TO 30 KT. WIND WAVES S
5 FT AT 7 SECONDS. W SWELL 9 FT AT 11 SECONDS. SECONDARY SWELL
W 8 FT AT 17 SECONDS. RAIN.
.TUE NIGHT...S WIND 20 TO 25 KT...RISING TO 25 TO 30 KT WITH
GUSTS TO 35 KT AFTER MIDNIGHT. COMBINED SEAS 14 FT DOMINANT
PERIOD 16 SECONDS. RAIN.
.WED...SW WIND 25 TO 30 KT WITH GUSTS TO 35 KT... EASING TO
20 TO 25 KT IN THE AFTERNOON. COMBINED SEAS 15 FT DOMINANT
PERIOD 15 SECONDS. RAIN.
.WED NIGHT...W WIND 10 TO 15 KT WITH GUSTS TO 20 KT. WIND WAVES
W 3 FT AT 4 SECONDS. W SWELL 12 FT AT 13 SECONDS. SHOWERS
LIKELY.
.THU...NW WIND 10 TO 15 KT. WIND WAVES 3 FT. W SWELL 9 FT.
.FRI...N WIND 5 TO 10 KT. WIND WAVES 2 FT. W SWELL 7 FT.

$$

PZZ210-271700-
COLUMBIA RIVER BAR-
250 AM PDT MON MAR 27 2017

...SMALL CRAFT ADVISORY FOR ROUGH COLUMBIA RIVER BAR IN EFFECT
UNTIL 7 AM PDT THIS MORNING...
...SMALL CRAFT ADVISORY FOR ROUGH COLUMBIA RIVER BAR IN EFFECT
FROM THIS AFTERNOON THROUGH THIS EVENING...

.IN THE MAIN CHANNEL...COMBINED SEAS 7 TO 9 FEET THROUGH THIS
EVENING. HOWEVER...SEAS WILL TEMPORARILY BUILD TO NEAR 10 FT
WITH BREAKERS DURING THE EBB AROUND 5 AM THIS MORNING...AND TO
NEAR 12 FT WITH BREAKERS DURING THE STRONG EBB AROUND 515 PM
THIS AFTERNOON.

$$


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