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Umpqua River Entrance, OR - Half Moon Bay Coastal Forecast

FZUS56 KMFR 292205
CWFMFR

Coastal Waters Forecast
National Weather Service Medford, OR
205 PM PST Mon Dec 29 2025

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

PZZ300-301100-
205 PM PST Mon Dec 29 2025

.SYNOPSIS FOR THE SOUTHERN OREGON COASTAL WATERS...Westerly
swells will start this afternoon and continue overnight. The weak
thermal trough responsible for the northerly winds will shift
northward tonight into Tuesday, bringing a brief period of
southerly winds within 10-30 nm from shore. Stronger south winds
begin late in the week ahead of the next series of frontal
systems.

$$

PZZ350-301100-
Coastal waters from Florence to Cape Blanco OR out 10 nm-
205 PM PST Mon Dec 29 2025

.TONIGHT...NE wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: NE
2 ft at 3 seconds and NW 6 ft at 13 seconds.
.TUE...SE wind around 5 kt. Seas around 6 ft. Wave Detail: W 6 ft
at 14 seconds.
.TUE NIGHT...SE wind around 5 kt. Seas 5 to 6 ft. Wave Detail: W
6 ft at 13 seconds.
.WED...SE wind around 5 kt. Seas 5 to 6 ft. Wave Detail: W 6 ft
at 12 seconds. A chance of rain in the afternoon.
.WED NIGHT...S wind around 5 kt. Seas 5 to 6 ft. Wave Detail: W
6 ft at 12 seconds. A chance of rain in the evening, then rain
likely after midnight.
.THU...S wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: SW 2 ft at
4 seconds and W 6 ft at 12 seconds. Rain.
.THU NIGHT...S wind 10 to 15 kt. Gusts up to 25 kt after
midnight. Seas 5 to 6 ft, building to 5 to 8 ft after midnight.
Wave Detail: SW 4 ft at 7 seconds, W 6 ft at 11 seconds and NW
2 ft at 14 seconds. Rain.
.FRI...S wind 10 to 15 kt. Seas 7 to 9 ft. Wave Detail: S 4 ft at
7 seconds, SW 8 ft at 10 seconds and W 3 ft at 14 seconds. Rain.
.FRI NIGHT...S wind 5 to 10 kt. Seas 6 to 9 ft. Wave Detail: S
3 ft at 4 seconds and SW 8 ft at 12 seconds. Rain.
.SAT...SW wind 10 to 15 kt. Seas 7 to 10 ft. Wave Detail: SW 3 ft
at 4 seconds, W 9 ft at 13 seconds and W 2 ft at 9 seconds. Rain.
.SAT NIGHT...S wind 10 to 15 kt. Seas 8 to 10 ft. Rain.

$$

PZZ356-301100-
Coastal waters from Cape Blanco OR to Pt. St. George CA out 10 nm-
205 PM PST Mon Dec 29 2025

.TONIGHT...NE wind around 5 kt, veering to SE after midnight.
Seas 5 to 6 ft. Wave Detail: N 2 ft at 5 seconds and NW 6 ft at
13 seconds.
.TUE...S wind around 5 kt. Seas 5 to 6 ft. Wave Detail: W 6 ft at
14 seconds.
.TUE NIGHT...SE wind around 5 kt. Seas 5 to 6 ft. Wave Detail: W
6 ft at 13 seconds.
.WED...SE wind around 5 kt. Seas around 5 ft. Wave Detail: W 5 ft
at 12 seconds. A slight chance of rain in the morning, then a
chance of rain in the afternoon.
.WED NIGHT...SE wind around 5 kt. Seas 5 to 6 ft. Wave Detail: W
5 ft at 12 seconds. Rain likely.
.THU...SE wind 5 to 10 kt, becoming S 10 to 15 kt in the
afternoon. Seas 5 to 7 ft. Wave Detail: SW 3 ft at 5 seconds and
W 6 ft at 12 seconds. Rain.
.THU NIGHT...S wind 10 to 15 kt, rising to 15 to 20 kt after
midnight. Gusts up to 30 kt. Seas 5 to 8 ft. Wave Detail: SW 5 ft
at 7 seconds, W 6 ft at 11 seconds and NW 2 ft at 14 seconds.
Rain.
.FRI...S wind 15 to 20 kt, easing to 10 to 15 kt in the
afternoon. Seas 7 to 9 ft. Wave Detail: S 5 ft at 7 seconds, SW
8 ft at 10 seconds and NW 3 ft at 14 seconds. Rain.
.FRI NIGHT...S wind 10 to 15 kt. Seas 7 to 9 ft. Wave Detail: S
4 ft at 5 seconds and SW 8 ft at 12 seconds. Rain.
.SAT...S wind 10 to 15 kt. Seas 7 to 10 ft, building to 9 to
10 ft in the afternoon. Wave Detail: S 4 ft at 5 seconds and W
9 ft at 13 seconds. Rain.
.SAT NIGHT...S wind 15 to 20 kt. Seas 9 to 10 ft. Rain.

$$

PZZ370-301100-
Waters from Florence to Cape Blanco OR from 10 to 60 nm-
205 PM PST Mon Dec 29 2025

.TONIGHT...NE wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Seas 6 to 7 ft. Wave Detail: NE 3 ft at 4 seconds and W
7 ft at 14 seconds.
.TUE...NE wind 5 to 10 kt, veering to SE in the afternoon. Seas
6 to 7 ft. Wave Detail: NE 2 ft at 4 seconds and W 7 ft at
14 seconds.
.TUE NIGHT...SE wind around 5 kt. Seas 6 to 7 ft. Wave Detail: W
7 ft at 13 seconds.
.WED...SE wind 5 to 10 kt. Seas around 6 ft. Wave Detail: W 6 ft
at 12 seconds. A chance of rain in the afternoon.
.WED NIGHT...S wind 5 to 10 kt. Seas 6 to 7 ft. Wave Detail: S
2 ft at 3 seconds and W 6 ft at 12 seconds. A chance of rain in
the evening, then rain likely after midnight.
.THU...S wind 10 to 15 kt. Seas 6 to 7 ft. Wave Detail: SW 4 ft
at 5 seconds and W 6 ft at 12 seconds. Rain.
.THU NIGHT...S wind 15 to 20 kt. Seas 6 to 7 ft, building to 7 to
10 ft after midnight. Wave Detail: S 8 ft at 7 seconds, W 6 ft at
11 seconds and NW 3 ft at 14 seconds. Rain.
.FRI...S wind 15 to 20 kt. Seas 8 to 10 ft. Wave Detail: S 8 ft
at 7 seconds, SW 8 ft at 10 seconds and W 3 ft at 14 seconds.
Rain.
.FRI NIGHT...SW wind 15 to 20 kt. Seas 8 to 9 ft, building to
8 to 11 ft after midnight. Wave Detail: SW 4 ft at 6 seconds and
W 10 ft at 13 seconds. Rain.
.SAT...SW wind 15 to 20 kt. Seas 9 to 11 ft. Wave Detail: SW 4 ft
at 6 seconds, W 10 ft at 13 seconds and W 3 ft at 9 seconds.
Rain.
.SAT NIGHT...S wind 15 to 20 kt. Seas 9 to 11 ft. Rain.

$$

PZZ376-301100-
Waters from Cape Blanco OR to Pt. St. George CA from 10 to 60 nm-
205 PM PST Mon Dec 29 2025

.TONIGHT...NE wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: N
3 ft at 5 seconds and NW 6 ft at 13 seconds.
.TUE...E wind around 5 kt, veering to S in the afternoon. Seas
5 to 6 ft. Wave Detail: N 2 ft at 4 seconds and W 6 ft at
14 seconds.
.TUE NIGHT...S wind around 5 kt. Seas 5 to 6 ft. Wave Detail: W
6 ft at 13 seconds.
.WED...S wind around 5 kt. Seas 5 to 6 ft. Wave Detail: W 6 ft at
12 seconds. A slight chance of rain in the morning, then a chance
of rain in the afternoon.
.WED NIGHT...S wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: S
2 ft at 3 seconds and W 6 ft at 12 seconds. Rain.
.THU...S wind 10 to 15 kt. Seas 6 to 7 ft. Wave Detail: S 5 ft at
5 seconds and W 6 ft at 12 seconds. Rain.
.THU NIGHT...S wind 15 to 20 kt with gusts up to 30 kt. Seas 6 to
7 ft, building to 7 to 10 ft after midnight. Wave Detail: S 9 ft
at 7 seconds, W 6 ft at 11 seconds and NW 2 ft at 14 seconds.
Rain.
.FRI...S wind 20 to 25 kt. Seas 9 to 11 ft. Wave Detail: S 9 ft
at 7 seconds, SW 8 ft at 10 seconds and NW 3 ft at 14 seconds.
Rain.
.FRI NIGHT...SW wind 15 to 20 kt. Seas 8 to 9 ft, building to
8 to 11 ft after midnight. Wave Detail: SW 4 ft at 6 seconds and
W 10 ft at 13 seconds. Rain.
.SAT...SW wind 15 to 20 kt. Seas 9 to 12 ft. Wave Detail: SW 4 ft
at 6 seconds, W 10 ft at 13 seconds and W 3 ft at 9 seconds.
Rain.
.SAT NIGHT...S wind 15 to 20 kt. Seas 10 to 12 ft. Rain.

$$



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