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PZZ540 Coastal Waters From Point Arena To Point Reyes California Out To 10 Nm- 156 Pm Pst Fri Dec 1 2023
Today..NW winds 10 to 15 knots, becoming W 5 to 10 knots this afternoon. Wind waves 4 to 5 ft. NW swell 5 to 7 ft at 13 seconds and sw 2 to 3 ft at 15 seconds. A slight chance of rain this afternoon.
Tonight..W winds 5 to 10 knots. Wind waves 1 to 2 ft. NW swell 6 to 8 ft at 13 seconds. Rain likely.
Sat..SW winds 5 to 10 knots. Wind waves 1 ft. NW swell 6 to 8 ft at 13 seconds. Rain likely.
Sat night..SW winds 5 to 10 knots. NW swell 7 to 9 ft at 14 seconds. Rain likely.
Sun..SW winds 5 to 10 knots. Wind waves 0 to 1 ft. NW swell 7 to 9 ft at 14 seconds. A chance of rain.
Sun night..SE winds 5 to 10 knots. Wind waves 2 to 3 ft. NW swell 7 to 9 ft at 13 seconds.
Mon..SE winds 5 to 10 knots. Wind waves 3 to 4 ft. NW swell 8 to 10 ft and S 2 to 3 ft.
Tue..SE winds 5 to 10 knots. Wind waves 1 to 2 ft. W swell 10 to 12 ft. A chance of rain.

PZZ500 156 Pm Pst Fri Dec 1 2023
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries...
gusty northwesterly winds will continue to dissipate tonight into the weekend. Seas become elevated from a long period northwesterly swell that starts to build Saturday, creating hazardous conditions for small craft vessels. Another larger northwest swell with larger periods of 16-21 seconds causing 11-15 feet waves will build by midweek next week. Unsettled weather through the weekend may continue to bring intermittent rain showers across the northern waters through the weekend.

FXUS66 KSTO 012157 AFDSTO

Area Forecast Discussion National Weather Service Sacramento CA 157 PM PST Fri Dec 1 2023

Synopsis
Precipitation chances remain in forecast through the weekend; latest rainfall/snowfall totals have trended up. Drying and warming trend expected early next week before shower chances return Wednesday through Friday.

Discussion
Current radar analysis is showing some light returns over Shasta and Tehama counties this afternoon, however most precipitation is not reaching the ground. There has been 0.01" inches of rainfall reported at the Redding Airport. Most precipitation is forecasted to remain over far northern Sac Valley counties and the Cascades and Sierra for the remainder of the day. Could see some very light snowfall accumulations (dusting up to an inch) at pass levels as we progress into the evening.

For this weekend, recent model runs of the National Blend of Models (NBM) rainfall totals and snowfall totals have trended upwards, especially for the far northern counties of the area (Shasta and Tehama) and the Sierra. Short range models such as the NAM and HRRR have suggested a stronger trough digging further south into the aforementioned areas and bring higher water vapor content with them, so forecasted rainfall and snowfall totals for the weekend have been adjusted higher. The NBM currently has a 60-80% chance of rainfall totals exceeding 0.50' inches from Redding northwards and a general 30-70% chance for the Sierra.
Snowfall totals for the Sierra and higher elevations have also increased. For the Northern Sierra at Pass levels, there is a general 2-6" inches of snowfall currently forecasted, slightly below any advisory criteria, however hazardous driving conditions may occur and chain controls may be necessary. The NBM has about a 50% chance for Lassen National Park to receive 8' inches or more of snowfall and a 35% chance of exceeding 10" inches or more snowfall. This system moves out of the area on Sunday afternoon and the troughing pattern will exit off to the east, and will be replaced by upper level ridging for Monday and Tuesday.

With the ridging pattern taking over the airmass for our area, high temperatures will slightly warm and will help keep us relatively dry. The ridge will keep precipitation chances mainly to the north of our area in Oregon and Washington. High temperatures are expected to climb into the mid 60s for Valley locations and mid 50s for higher terrain.

Wood

.EXTENDED DISCUSSION (Tuesday THROUGH Friday)...
Dry and mild weather under ridging will give way early next week, with clusters showing the ridge shifting east of the area Tuesday into Wednesday. A shortwave with a cold front is currently expected to approach Tuesday/Tuesday night. Some light precipitation is possible ahead of this system over the northern Coastal Range and Shasta County as early as Tuesday, but confidence in specific timing of the onset of precipitation remains low. Precipitation coverage and potential amounts will likely be increasing across the region Wednesday through late next week, though current projections suggest much of the precipitation will be over the mountains and north of Interstate 80. There is the potential for some late week snow, but clusters indicate quite a bit of uncertainty on the strength and timing of the incoming trough, so confidence is low on any details at this point. Stay tuned for more details as this system approaches. //EK

AVIATION
VFR conditions are expected to continue for the next 24 hours except for local MVFR BR/HZ in the southern Sacramento and northern San Joaquin valleys and over the northern Sierra in snow showers, both through around 18Z Saturday. Light rain is possible near KRDD and KRBL through 03Z this evening. Surface wind gusts generally below 12 kts. //EK

STO WATCHES/WARNINGS/ADVISORIES
None.

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Fort Ross
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Fri -- 02:34 AM PST     4.50 feet High Tide
Fri -- 07:09 AM PST     3.36 feet Low Tide
Fri -- 07:11 AM PST     Sunrise
Fri -- 11:17 AM PST     Moonset
Fri -- 12:20 PM PST     5.32 feet High Tide
Fri -- 04:52 PM PST     Sunset
Fri -- 07:52 PM PST     -0.29 feet Low Tide
Fri -- 08:50 PM PST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION

Fort Ross, California, Tide feet

Salt Point
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Fri -- 03:28 AM PST     -0.00 knots Slack
Fri -- 05:27 AM PST     -0.45 knots Max Ebb
Fri -- 07:12 AM PST     Sunrise
Fri -- 08:41 AM PST     0.00 knots Slack
Fri -- 11:18 AM PST     Moonset
Fri -- 11:19 AM PST     0.51 knots Max Flood
Fri -- 01:53 PM PST     -0.00 knots Slack
Fri -- 04:52 PM PST     Sunset
Fri -- 05:26 PM PST     -1.23 knots Max Ebb
Fri -- 08:50 PM PST     Moonrise
Fri -- 09:36 PM PST     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION

Salt Point, California Current, knots

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