Wednesday, December11, 2019
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Marine Weather and Tides
Rutherford, CA

Version 3.4
NOTICE
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 7:14AMSunset 4:50PM Wednesday December 11, 2019 4:14 PM PST (00:14 UTC) Moonrise 4:43PMMoonset 6:38AM Illumination 100% Phase: Full Moon; Moon at 15 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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PZZ530 San Pablo Bay, Suisun Bay, The West Delta And The San Francisco Bay North Of The Bay Bridge- 205 Pm Pst Wed Dec 11 2019
Tonight..S winds 5 to 10 kt. A chance of rain.
Thu..S winds 5 to 15 kt. A chance of rain.
Thu night..W winds 5 to 10 kt. A slight chance of rain.
Fri..SW winds 5 to 10 kt. A chance of rain.
Fri night..W winds 10 to 20 kt with gusts up to 25 kt. A slight chance of rain.
Sat..W winds 5 to 15 kt.
Sat night..W winds 5 to 15 kt.
Sun..NW winds up to 10 kt.
Mon..NE winds 5 to 10 kt. A chance of rain.
PZZ500 205 Pm Pst Wed Dec 11 2019
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Light southerly winds will prevail tonight into Thursday then switch around to the northwest with the arrival of the next weather system. This next system will also bring with it a large long period northwest swells. This swell will build on Thursday, peak on Friday and continue through Saturday.


7 Day Forecast for Marine Location Near Rutherford, CA
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location: 38.5, -122.39     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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FXUS66 KMTR 112204 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 204 PM PST Wed Dec 11 2019

SYNOPSIS. Periods of light rain will be possible over mainly the northern portion of the forecast area through Saturday with mild temperatures region-wide. Conditions will dry out and turn cooler Sunday into Monday. Unsettled conditions will potentially return by mid/late next week.

DISCUSSION. as of 02:04 PM PST Wednesday . KMUX radar continues to indicate scattered showers mainly across the North Bay with isolated showers around San Mateo and Santa Cruz Counties. Additional showers have formed off the coast and will drift inland this afternoon. Moist zonal flow has developed and will remain in place through Friday with subtropical moisture offshore. A weak disturbance moving through the flow will interact with the abundant moisture to enhance rainfall this evening and overnight, mainly across the northern half of the forecast area. Scattered showers will continue on Thursday, with another disturbance on Friday bringing another round of light rain, once again focused on our northern areas. The moist onshore flow will finally be pushed south on Saturday as a trough approaches from the northwest. Precipitation from the trough looks to be very light and mostly brush by to our north. The trough will usher in a colder and drier airmass with Sunday and Monday cool and dry.

Precipitation amounts tonight through Thursday will range from a quarter to a half inch across the North Bay, 0.1 to 0.2 inches in the Bay Area, and less than a tenth of an inch near Monterey Bay. The higher terrain of the North Bay could pick up slightly higher amounts with totals up to an inch. Additional rainfall on Friday will range from a few hundredths to a quarter of an inch, with locally up to a half inch in the North Bay Mountains. Rainfall rates and totals are not expected to create significant impacts, with wet and slick roadways the main concern during brief periods of moderate rain.

Skies will remain cloudy through the week as moisture continues to stream inland. Temperatures will warm several degrees across southern areas on Thursday and Friday under a slightly warmer airmass. Highs both days will mainly be in the 60s, coolest across the North Bay where showers will be the most persistent and warmest in the lower elevations of Monterey and San Benito Counties. Temperatures will cool significantly on Saturday behind a cold front with highs in the mid to upper 50s. Cool temperatures will continue on Sunday and Monday as northwesterly flow aloft sets up. Overnight lows will also drop considerably with 30s possible in many valley locations.

A ridge will build over the eastern Pacific on Sunday and move overhead on Monday. The ridge looks to be short-lived as another trough is projected to approach California on Tuesday or Wednesday. Models have generally come into better agreement about this feature with the latest model cycle. Looking into the long term, the pattern looks to remain progressive into the middle of December with the potential for more significant storm systems 8-14 days into the future.

AVIATION. as of 9:56 AM PST Wednesday . Light showers expected through the day as a series of shortwave disturbances move across northern California. MVFR cigs will be predominant through most of the day over Bay Area terminals while terminals south of the the San Francisco Bay may see some scattering out of the lower levels with mid level clouds persist. Light southeasterly winds will prevail. Light rain will taper this afternoon but may pick up again overnight as the next disturbance moves across the region.

Vicinity of KSFO . MVFR cigs around 2500-3000 ft will prevail through this evening. Cigs will lower to around 1200-1500 ft overnight. Light southeast winds under 10 kt will continue.

SFO Bridge Approach . Similar to KSFO.

Monterey Bay Terminals . MVFR/VFR cigs around 3000-6000 ft will prevail through this afternoon. Cigs will lower to around 1000-1500 ft this evening. Light east to southeasterly winds under 10 kt will continue.

MARINE. as of 9:00 AM PST Wednesday . Weak high pressure off the California coast extends across California into the Great Basin. Winds will be light southeast through Thursday night before switching to northwest. Large northwest swells with long periods will build on Thursday and continue through Saturday.

MTR WATCHES/WARNINGS/ADVISORIES. Tngt. NONE.



PUBLIC FORECAST: ST AVIATION: CW MARINE: CW

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SFXC1 - San Francisco Bay Reserve, CA 28 mi89 min E 6 53°F 1023 hPa53°F
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 31 mi56 min ESE 13 G 15 53°F 1022.2 hPa
UPBC1 35 mi56 min E 7 G 9.9
MZXC1 - 9415102 - Martinez-Amorco CA 35 mi56 min ENE 6 G 8.9 53°F 54°F1023.1 hPa
PCOC1 - 9415144 - Port Chicago, CA 36 mi56 min ENE 6 G 8 52°F 54°F1022.8 hPa
RCMC1 - 9414863 - Richmond, CA 40 mi56 min NNW 5.1 G 5.1 54°F 55°F1022 hPa
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 41 mi56 min E 6 G 7 53°F 1023 hPa
PPXC1 - 9414847 - Richmond (Point Potrero), CA 41 mi56 min W 1 G 1.9 57°F 1022.6 hPa
TIBC1 - Tiburon Pier, San Francisco Bay, CA 42 mi63 min NNW 4.1 53°F 1023 hPa
PRYC1 - 9415020 - Point Reyes, CA 47 mi56 min 54°F1021.5 hPa
OBXC1 48 mi56 min 55°F 55°F
OKXC1 - 9414776 - Oakland (Berth 34), CA 48 mi56 min N 4.1 G 5.1 54°F 1022.3 hPa
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 48 mi56 min NNW 4.1 G 5.1
FTPC1 - 9414290 - San Francisco, CA 48 mi56 min N 5.1 G 6 54°F 1022.3 hPa
PXSC1 48 mi56 min 55°F 55°F
PXOC1 - 9414311 - San Francisco (Pier 1), CA 49 mi56 min NNW 1.9 G 1.9 54°F 1021.2 hPa
LNDC1 49 mi56 min NNW 2.9 G 4.1 56°F 1022.1 hPa

Wind History for Union Pacific Rail Road Bridge (UPRR), CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Petaluma Municipal Airport, CA20 mi79 minVar 53.00 miFog/Mist55°F55°F100%1022.3 hPa
Napa, Napa County Airport, CA21 mi80 minE 92.50 miFog/Mist54°F52°F93%1021.4 hPa
Santa Rosa, Santa Rosa Sonoma County Airport, CA22 mi81 minS 42.00 miFog/Mist55°F54°F96%1021.2 hPa
Vacaville Nut Tree Airport, CA24 mi81 minN 01.50 miFog/Mist53°F51°F93%1023.4 hPa

Link to 5 minute data for KO69

Wind History from O69 (wind in knots)
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Last 24hrE8CalmCalmSE4SE7CalmCalmE6E7E9E8E5E764E65
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1 day agoNW3CalmW5W6W5Calm--CalmE4CalmCalmCalmCalmS443Calm35Calm4
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2 days agoW6NW3W6CalmCalmCalmCalmCalmCalmCalmCalm4CalmNW3NW3CalmNW3N5CalmCalmCalmCalmN4Calm

Tide / Current Tables for Napa, Napa River, Carquinez Strait, California
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Napa
Click for Map
Wed -- 01:45 AM PST     5.96 feet High Tide
Wed -- 06:37 AM PST     Moonset
Wed -- 06:51 AM PST     2.62 feet Low Tide
Wed -- 07:15 AM PST     Sunrise
Wed -- 12:26 PM PST     7.72 feet High Tide
Wed -- 04:43 PM PST     Moonrise
Wed -- 04:48 PM PST     Sunset
Wed -- 07:51 PM PST     -0.72 feet Low Tide
Wed -- 09:14 PM PST     Full Moon
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.95.75.95.54.63.62.82.63.14.25.66.87.67.66.95.63.820.5-0.5-0.7-0.212.4

Tide / Current Tables for Wingo, Sonoma Creek, San Pablo Bay, California
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Wingo
Click for Map
Wed -- 01:41 AM PST     4.66 feet High Tide
Wed -- 06:37 AM PST     Moonset
Wed -- 07:10 AM PST     2.32 feet Low Tide
Wed -- 07:16 AM PST     Sunrise
Wed -- 12:22 PM PST     6.42 feet High Tide
Wed -- 04:44 PM PST     Moonrise
Wed -- 04:49 PM PST     Sunset
Wed -- 08:10 PM PST     -1.02 feet Low Tide
Wed -- 09:14 PM PST     Full Moon
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.74.54.64.33.83.12.62.32.63.44.65.76.46.35.74.63.21.60.3-0.6-1-0.70.21.5

Weather Map
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wmap_P
GEOS Local Image of CentralWestCoast    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for San Francisco/Monterey Bay Area, CA (19,4,5,8)
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Ground Weather Radar Station Sacramento, CA
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