Marine Weather Net

Florence OR to Point St. George between 60 and 150 NM Offshore Forecast


TODAY

N
WINDS
15 - 25
KNOTS

TONIGHT

N
WINDS
10 - 20
KNOTS

SAT

N
WINDS
10 - 15
KNOTS

SAT NIGHT

VARIABLE
LESS
THAN
10 KNOTS

The Marine Weather Forecast In Detail:
PZZ815 Forecast Issued: 224 AM PDT Fri Sep 24 2021

Today...N Winds 15 To 25 Kt. Seas 7 To 10 Ft.
Tonight...N Winds 10 To 20 Kt. Seas 6 To 8 Ft.
Sat...N Winds 10 To 15 Kt, Diminishing To 5 To 10 Kt. Seas 6 To 7 Ft.
Sat Night...Variable Winds Less Than 10 Kt, Becoming Sw. Seas 6 To 7 Ft.
Sun...S Winds 15 To 25 Kt. Seas 6 To 8 Ft.
Sun Night...S To Sw Winds 15 To 25 Kt. Seas 6 To 10 Ft.
Mon...W To Sw Winds 15 To 25 Kt. Seas 10 To 16 Ft.
Mon Night...W Winds 15 To 25 Kt, Becoming Nw 15 To 20 Kt. Seas 12 To 18 Ft.
Tue...Nw Winds 10 To 20 Kt, Diminishing To 5 To 15 Kt. Seas 13 To 16 Ft.
Tue Night...W To Nw Winds Less Than 10 Kt. Seas 10 To 14 Ft.
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Area Forecast Discussion
National Weather Service Medford OR
605pm PST Wednesday Dec 1 2021

The Aviation section has been updated... .SHORT TERM...Through Sunday...Earlier today, it appeared the shallower fog layer and the drier air aloft would allow the ROgue and Illinois valleys to clear like the Shasta, Umpqua, and smaller area valleys did. Alas, it seems more and more likely that this is not to be. Fog and low stratus will re-inforced through the evening and tonight, and by morning, satellite imagery is expected to show the valleys of the West Side and Siskiyou County full of clouds once again, with some areas of fog possible, but not expected, in the Klamath Basin. With the upper level ridge in control through the rest of the week and into the weekend, and with very little influence expected from systems passing well to our north (other than some very light upslope rain along the coastal ranges tonight), this same scenario should continue to play out each day through the weekend. -BPN

Long Term
Sunday Night through Wednesday Night...Ensembles continue to show a moist front spreading precipitation into the Pacific Northwest Sunday night through Monday as a low moves into the region from the northwest. There remains some variability on the exact precipitation amounts. National Blend of Models (NBM) and the GFS and ECMWF (European Centre for Medium-Range Weather Forecasts) ensemble means support precipitation amounts of 0.25 to 0.75 inches for most areas from the Cascades west with higher amounts possible over the mountains. The NBM indicates a 40 to 60 percent probability of 1.0 inches or more of precipitation across the coastal mountains, Southern Oregon Cascades and western foothills and mountains in Western Siskiyou County during this period. East of the Cascades, ensembles support precipitation amounts of around 0.10 to 0.5 inches. These amounts represent mean values based on current ensembles and may change as this system evolves though. Of note, there is good confidence that this system will largely bring rain and little in the way of snow. Snow levels are forecast to remain high, around 7000 to 10000 feet ahead of and with the frontal band, then lower to 4500 to 6000 feet Monday night behind the front with scattered showers expected. Additionally, as this front moves into the area, expect a potential for gusty southwest winds from the Cascades east. The latest NBM forecast shows a 60 to 70 percent chance for winds gusting 35 to 40 kt across portions of northern and central Lake County and higher terrain east of the Cascades as well as into south-central Oregon Cascades.

There is a break in the wet weather Tuesday with only a slight chance to chance (20 to 30 percent) of light showers, mainly from the Cascades west. Then mid-week a weaker frontal system is forecast to bring additional chance for mainly light precipitation into the area. -CMC

Marine
Updated 910am PST Wednesday, December 1, 2021... Northerly winds cover the waters this morning and those winds will persist through the day. Look for swell driven seas to rise later today. These seas will be hazardous to smaller crafts as wave heigheights reach 10 feet at 13 to 15 seconds. These sea conditions continue into Thursday. By Thursday night, northerly winds increase enough to generate higher wind waves. We're forecasting wind waves around 7 to 8 feet in the outer waters Thursday night. With wind driven seas pushing past 10 feet, we decided to go ahead with a hazardous seas warning for the outer waters. The inner waters should simply be troublesome to smaller crafts as wind waves vary from 2 to 5 feet within 10 nm from shore. Beyond Thursday night, seas are forecast to remain around that 10 foot mark Friday. However, conditions should improve into the weekend as seas and winds lower. -MB

NOAA Medford OR Office: Watches - Warnings - Advisories
OR...Air Stagnation Advisory until 7am PST Monday for ORZ029-030. Air Stagnation Advisory until 7am PST Monday for ORZ031. Air Stagnation Advisory until 7am PST Monday for ORZ024-026.

CA...None.

Pacific Coastal Waters... Small Craft Advisory until noon PST Friday for PZZ350-356-370-376. Hazardous Seas Warning from 4pm Thursday to noon PST Friday for PZZ370-376.