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Umpqua River Entrance, OR - Half Moon Bay Coastal Forecast

FZUS56 KMFR 191055
CWFMFR

Coastal Waters Forecast
National Weather Service Medford, OR
255 AM PST Fri Dec 19 2025

Coastal waters from Florence Oregon to Point St. George
California and westward 60 nm.

PZZ300-192300-
255 AM PST Fri Dec 19 2025

.SYNOPSIS FOR THE SOUTHERN OREGON COASTAL WATERS...Gradually,
winds will subside later this morning and precipitation will turn
to showers, but seas will remain elevated through early Saturday
morning. Calmer conditions are possible over the weekend before
active weather returns early next week.

$$

PZZ350-192300-
Coastal waters from Florence to Cape Blanco OR out 10 nm-
255 AM PST Fri Dec 19 2025

...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 7 AM PST THIS MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM PST THIS MORNING
THROUGH SATURDAY MORNING...

.TODAY...W wind 10 to 15 kt. Seas 10 to 12 ft. Wave Detail: SW
8 ft at 9 seconds and NW 9 ft at 12 seconds. Showers early this
morning, then a chance of showers late this morning. Showers
likely this afternoon.
.TONIGHT...SW wind 10 to 15 kt. Seas 9 to 10 ft. Wave Detail: NW
3 ft at 6 seconds, SW 6 ft at 10 seconds and NW 8 ft at
12 seconds. Showers likely.
.SAT...S wind 10 to 15 kt. Seas 7 to 10 ft. Wave Detail: NW 3 ft
at 5 seconds, NW 8 ft at 11 seconds and SW 5 ft at 10 seconds.
Showers likely.
.SAT NIGHT...S wind 10 to 15 kt. Seas 7 to 8 ft. Wave Detail: W
3 ft at 5 seconds, NW 6 ft at 11 seconds and W 4 ft at
11 seconds. Showers.
.SUN...S wind 10 to 15 kt, becoming SW 15 to 20 kt with gusts up
to 25 kt in the afternoon. Seas 7 to 8 ft. Wave Detail: W 5 ft at
6 seconds, NW 6 ft at 10 seconds and W 4 ft at 11 seconds.
Showers.
.SUN NIGHT...SW wind 15 to 20 kt. Seas 7 to 10 ft, building to
9 to 11 ft after midnight. Wave Detail: W 5 ft at 6 seconds, W
9 ft at 11 seconds and W 2 ft at 14 seconds. Showers.
.MON...SW wind 15 to 20 kt. Seas 9 to 13 ft. Wave Detail: W 7 ft
at 7 seconds, W 11 ft at 11 seconds and W 2 ft at 14 seconds.
Showers.
.MON NIGHT...SW wind 15 to 20 kt, easing to around 10 kt after
midnight. Seas 10 to 13 ft. Wave Detail: W 7 ft at 7 seconds and
W 11 ft at 12 seconds. Showers.
.TUE...SE wind 5 to 10 kt, backing to E in the afternoon. Seas
8 to 11 ft. Wave Detail: S 2 ft at 4 seconds and W 11 ft at
12 seconds. Showers likely.
.TUE NIGHT...NE wind 5 to 10 kt, becoming SE 10 to 15 kt after
midnight. Seas 7 to 9 ft. Wave Detail: E 3 ft at 4 seconds and W
9 ft at 12 seconds. Showers likely.

$$

PZZ356-192300-
Coastal waters from Cape Blanco OR to Pt. St. George CA out 10 nm-
255 AM PST Fri Dec 19 2025

...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 7 AM PST THIS MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM PST THIS MORNING
THROUGH SATURDAY MORNING...

.TODAY...NW wind 15 to 20 kt with gusts up to 25 kt, easing to
5 to 10 kt. Seas 11 to 12 ft, subsiding to 9 to 11 ft this
afternoon. Wave Detail: SW 7 ft at 7 seconds, W 8 ft at
10 seconds and W 9 ft at 13 seconds. Showers until late
afternoon, then a chance of showers late.
.TONIGHT...SW wind around 5 kt, backing to SE after midnight.
Seas 8 to 10 ft. Wave Detail: NW 3 ft at 5 seconds, SW 7 ft at
10 seconds and NW 7 ft at 12 seconds. A chance of showers.
.SAT...SE wind 5 to 10 kt, veering to S in the afternoon. Seas
7 to 9 ft. Wave Detail: NW 2 ft at 5 seconds, SW 5 ft at
10 seconds and NW 7 ft at 12 seconds. A chance of showers in the
morning, then showers likely in the afternoon.
.SAT NIGHT...SE wind 5 to 10 kt, rising to 10 to 15 kt after
midnight. Seas 6 to 7 ft. Wave Detail: NW 2 ft at 5 seconds, NW
6 ft at 11 seconds and W 4 ft at 11 seconds. Showers.
.SUN...S wind 10 to 15 kt, becoming SW 15 to 20 kt in the
afternoon. Seas 5 to 7 ft. Wave Detail: SW 4 ft at 5 seconds, NW
5 ft at 11 seconds and W 4 ft at 11 seconds. Showers.
.SUN NIGHT...SW wind 10 to 15 kt. Seas 6 to 9 ft, building to
8 to 9 ft after midnight. Wave Detail: W 4 ft at 6 seconds, W
8 ft at 11 seconds and W 3 ft at 14 seconds. Showers.
.MON...S wind 15 to 20 kt. Seas 8 to 10 ft, building to 9 to
12 ft in the afternoon. Wave Detail: W 5 ft at 6 seconds and W
10 ft at 11 seconds. Showers.
.MON NIGHT...S wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Seas 9 to 12 ft. Wave Detail: W 5 ft at 6 seconds and W
11 ft at 12 seconds. Showers.
.TUE...E wind 5 to 10 kt. Seas 8 to 11 ft. Wave Detail: SE 2 ft
at 4 seconds and W 11 ft at 12 seconds. Showers.
.TUE NIGHT...NE wind 10 to 15 kt, veering to SE after midnight.
Seas 7 to 9 ft. Wave Detail: NE 3 ft at 4 seconds and W 9 ft at
12 seconds. Showers.

$$

PZZ370-192300-
Waters from Florence to Cape Blanco OR from 10 to 60 nm-
255 AM PST Fri Dec 19 2025

...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 7 AM PST THIS MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM PST THIS MORNING
THROUGH SATURDAY MORNING...

.TODAY...W wind 10 to 15 kt. Seas 10 to 12 ft. Wave Detail: S
7 ft at 8 seconds, SW 7 ft at 10 seconds and NW 9 ft at
13 seconds. A chance of showers until late afternoon, then
showers likely late.
.TONIGHT...SW wind 10 to 15 kt. Seas 10 to 11 ft. Wave Detail: NW
3 ft at 6 seconds, SW 6 ft at 10 seconds and NW 8 ft at
13 seconds. Showers likely.
.SAT...SW wind 10 to 15 kt. Seas 8 to 10 ft. Wave Detail: W 3 ft
at 5 seconds, NW 8 ft at 11 seconds and SW 6 ft at 10 seconds.
Showers.
.SAT NIGHT...S wind 15 to 20 kt with gusts up to 25 kt. Seas 8 to
9 ft. Wave Detail: SW 4 ft at 5 seconds, NW 7 ft at 11 seconds
and SW 5 ft at 11 seconds. Showers.
.SUN...SW wind 15 to 20 kt with gusts up to 25 kt. Seas 7 to
10 ft. Wave Detail: SW 6 ft at 6 seconds, NW 7 ft at 10 seconds
and W 4 ft at 11 seconds. Showers.
.SUN NIGHT...SW wind 15 to 20 kt with gusts up to 25 kt. Seas
8 to 11 ft, building to 10 to 11 ft after midnight. Wave Detail:
SW 6 ft at 6 seconds, W 9 ft at 11 seconds and W 3 ft at
14 seconds. Showers.
.MON...SW wind 20 to 25 kt. Seas 11 to 13 ft, building to 12 to
15 ft in the afternoon. Wave Detail: SW 8 ft at 7 seconds and W
12 ft at 11 seconds. Showers.
.MON NIGHT...SW wind 15 to 20 kt, easing to 10 to 15 kt after
midnight. Seas 13 to 15 ft, subsiding to 11 to 13 ft after
midnight. Wave Detail: SW 8 ft at 7 seconds and W 12 ft at
12 seconds. Showers.
.TUE...S wind 5 to 10 kt, backing to E in the afternoon. Seas
9 to 11 ft. Wave Detail: SW 3 ft at 4 seconds and W 11 ft at
12 seconds. Showers likely.
.TUE NIGHT...NE wind 10 to 15 kt, becoming SE 15 to 20 kt after
midnight. Seas 8 to 9 ft. Wave Detail: NE 4 ft at 5 seconds and W
9 ft at 12 seconds. Showers likely.

$$

PZZ376-192300-
Waters from Cape Blanco OR to Pt. St. George CA from 10 to 60 nm-
255 AM PST Fri Dec 19 2025

...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 7 AM PST THIS MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM PST THIS MORNING
THROUGH SATURDAY MORNING...

.TODAY...NW wind 10 to 15 kt, easing to 5 to 10 kt late. Seas
10 to 12 ft. Wave Detail: S 6 ft at 7 seconds, SW 8 ft at
10 seconds and NW 9 ft at 13 seconds. Showers likely early this
morning, then a chance of showers late this morning and
afternoon.
.TONIGHT...SW wind 5 to 10 kt. Seas 9 to 10 ft. Wave Detail: NW
3 ft at 5 seconds, SW 7 ft at 10 seconds and NW 8 ft at
13 seconds. A chance of showers.
.SAT...S wind 5 to 10 kt. Seas 8 to 10 ft. Wave Detail: NW 2 ft
at 5 seconds, NW 8 ft at 12 seconds and SW 5 ft at 10 seconds. A
chance of showers in the morning, then showers likely in the
afternoon.
.SAT NIGHT...S wind 10 to 15 kt. Gusts up to 25 kt after
midnight. Seas 7 to 8 ft. Wave Detail: SW 3 ft at 4 seconds, NW
7 ft at 11 seconds and SW 4 ft at 11 seconds. Showers.
.SUN...SW wind 15 to 20 kt with gusts up to 25 kt. Seas 7 to
8 ft. Wave Detail: SW 5 ft at 5 seconds, NW 6 ft at 10 seconds
and W 4 ft at 11 seconds. Showers.
.SUN NIGHT...SW wind 15 to 20 kt with gusts up to 25 kt. Seas
7 to 10 ft, building to 9 to 11 ft after midnight. Wave Detail: W
5 ft at 6 seconds, W 9 ft at 11 seconds and W 3 ft at 14 seconds.
Showers.
.MON...SW wind 15 to 20 kt. Seas 9 to 13 ft. Wave Detail: W 6 ft
at 6 seconds, W 11 ft at 11 seconds and NW 3 ft at 14 seconds.
Showers.
.MON NIGHT...SW wind 15 to 20 kt, easing to 10 to 15 kt after
midnight. Seas 11 to 13 ft. Wave Detail: W 6 ft at 6 seconds and
W 11 ft at 12 seconds. Showers.
.TUE...SE wind 5 to 10 kt, becoming NE 10 to 15 kt in the
afternoon. Seas 9 to 11 ft. Wave Detail: NE 3 ft at 5 seconds and
W 11 ft at 12 seconds. Showers likely.
.TUE NIGHT...NE wind around 15 kt, veering to SE after midnight.
Seas around 9 ft. Wave Detail: NE 4 ft at 6 seconds and NW 9 ft
at 12 seconds. Showers likely.

$$



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