Coastal Waters Forecast
Issued by NWS Portland, OR

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Coastal Waters Forecast
National Weather Service Portland OR
910 PM PST Thu Nov 23 2017

Coastal waters from Cape Shoalwater Washington to Florence Oregon
and westward 60 NM

PZZ200-241200-
910 PM PST Thu Nov 23 2017

.SYNOPSIS FOR SOUTHERN WASHINGTON AND NORTHERN OREGON COAST...
Broad area of low pres will remain offshore for next several
days. Will see a break in the weather tonight through early
Sat. On Sat, a strong low pres will approach the region from
the southwest, but stays well offshore as it moves towards
Vancouver Island through Sat night. But, a strong cold front
will swing across the coastal waters Sat night. Another,
probably weaker front arrives later Sun and Sun night.

$$

PZZ250-241200-
Coastal waters from Cape Shoalwater WA to Cascade Head OR out
10 NM-
910 PM PST Thu Nov 23 2017

.TONIGHT...SW wind 10 to 15 kt. Wind waves SW 3 ft at
4 seconds. SW swell 9 ft at 10 seconds. Numerous showers.
.FRI...S wind 10 to 15 kt, rising to 15 to 20 kt in the
afternoon. Wind waves S 3 ft at 5 seconds. W swell 8 ft at
10 seconds. Showers likely.
.FRI NIGHT...S wind 20 to 25 kt, becoming SE 10 to 15 kt after
midnight. Wind waves SE 4 ft at 6 seconds. W swell 8 ft at
9 seconds. Chance of rain.
.SAT...E wind 10 to 15 kt. Wind waves E 4 ft at 4 seconds. W
swell 8 ft at 10 seconds. Rain.
.SAT NIGHT...S wind 25 to 30 kt, becoming SW 20 to 25 kt after
midnight. Combined seas 15 ft with a dominant period of
17 seconds. Rain.
.SUN...SW wind 20 to 25 kt. Wind waves 5 ft. W swell 13 ft.
Rain.
.SUN NIGHT...S wind 10 to 15 kt. Wind waves 3 ft. NW swell
12 ft. Rain.
.MON...SW wind 20 to 25 kt. Combined seas 12 ft.
.TUE...S wind 15 to 20 kt. Wind waves 4 ft. W swell 10 ft.

$$

PZZ255-241200-
Coastal waters from Cascade Head to Florence OR out 10 NM-
910 PM PST Thu Nov 23 2017

.TONIGHT...SW wind 5 to 10 kt. Wind waves SW 2 ft at 4 seconds.
SW swell 9 ft at 10 seconds. Scattered showers.
.FRI...S wind 10 to 15 kt. Wind waves S 3 ft at 5 seconds. W
swell 8 ft at 10 seconds. Chance of showers.
.FRI NIGHT...SE wind 10 to 15 kt. Wind waves SE 3 ft at
5 seconds. W swell 7 ft at 9 seconds.
.SAT...E wind 5 to 10 kt, becoming SE 10 to 15 kt in the
afternoon. Wind waves SE 4 ft at 5 seconds. W swell 7 ft at
10 seconds. Rain.
.SAT NIGHT...S wind 25 to 30 kt. Combined seas 17 ft with a
dominant period of 17 seconds. Rain.
.SUN...SW wind 20 to 25 kt. Wind waves 5 ft. W swell 13 ft.
Rain.
.SUN NIGHT...S wind 10 to 15 kt. Wind waves 3 ft. NW swell
12 ft. Rain.
.MON...SW wind 15 to 20 kt. Wind waves 5 ft. W swell 9 ft.
.TUE...E wind 5 to 10 kt. Wind waves 3 ft. W swell 10 ft.

$$

PZZ270-241200-
Waters from Cape Shoalwater WA to Cascade Head OR from 10 to
60 NM-
910 PM PST Thu Nov 23 2017

...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT THROUGH
FRIDAY MORNING...
...SMALL CRAFT ADVISORY FOR WINDS IN EFFECT FROM FRIDAY MORNING
THROUGH LATE FRIDAY NIGHT...
...GALE WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE
SATURDAY NIGHT...

.TONIGHT...SW wind 10 to 15 kt. Wind waves SW 3 ft at 5
seconds. SW swell 9 ft at 10 seconds. Scattered showers.
.FRI...SW wind 15 to 20 kt, becoming S 20 to 25 kt in the
afternoon. Wind waves S 3 ft at 6 seconds. W swell 8 ft at
10 seconds. Chance of showers.
.FRI NIGHT...S wind 20 to 25 kt. Wind waves S 5 ft at
7 seconds. W swell 9 ft at 9 seconds. Chance of rain.
.SAT...SE wind 20 to 25 kt. Wind waves SE 6 ft at 7 seconds. W
swell 8 ft at 10 seconds. Rain.
.SAT NIGHT...S wind 35 to 40 kt, becoming SW 25 to 30 kt after
midnight. Combined seas 20 ft with a dominant period of
17 seconds. Rain.
.SUN...SW wind 20 to 25 kt. Wind waves 7 ft. W swell 13 ft.
Rain.
.SUN NIGHT...S wind 15 to 20 kt. Wind waves 4 ft. NW swell
12 ft. Rain.
.MON...SW wind 20 to 25 kt. Combined seas 13 ft.
.TUE...S wind 10 to 15 kt. Wind waves 4 ft. W swell 12 ft.

$$

PZZ275-241200-
Waters from Cascade Head to Florence OR from 10 to 60 NM-
910 PM PST Thu Nov 23 2017

...GALE WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE
SATURDAY NIGHT...

.TONIGHT...SW wind 10 to 15 kt. Wind waves SW 3 ft at
4 seconds. SW swell 9 ft at 10 seconds. Scattered showers.
.FRI...S wind 15 to 20 kt. Wind waves S 3 ft at 6 seconds. W
swell 8 ft at 10 seconds. Chance of showers.
.FRI NIGHT...S wind 15 to 20 kt. Wind waves S 4 ft at
6 seconds. W swell 7 ft at 9 seconds.
.SAT...SE wind 10 to 15 kt, rising to 20 to 25 kt in the
afternoon. Gusts to 35 kt. Combined seas 9 ft with a dominant
period of 10 seconds. Rain.
.SAT NIGHT...S wind 35 to 40 kt with gusts to 50 kt, becoming
SW 25 to 30 kt after midnight. Combined seas 20 ft with a
dominant period of 17 seconds. Rain.
.SUN...SW wind 20 to 25 kt. Wind waves 6 ft. W swell 13 ft.
Rain.
.SUN NIGHT...S wind 20 to 25 kt. Wind waves 5 ft. NW swell
12 ft. Rain.
.MON...SW wind 20 to 25 kt. Wind waves 7 ft. W swell 10 ft.
.TUE...SW wind 10 to 15 kt. Wind waves 3 ft. W swell 11 ft.

$$

PZZ210-241200-
Columbia River Bar-
910 PM PST Thu Nov 23 2017

...SMALL CRAFT ADVISORY FOR ROUGH COLUMBIA RIVER BAR IN EFFECT
UNTIL 10 PM PST THIS EVENING...

.IN THE MAIN CHANNEL...Combined seas around 6 ft tonight
through Friday. However, seas temporarily near 11 ft during the
ebb around 715 pm this evening, to 9 ft during the ebb around
815 am Friday morning, and to near 10 ft during the ebb around 8
pm Friday evening.

$$


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