Sunday, December8, 2019
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Marine Weather and Tides
Santa Venetia, 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 7:12AMSunset 4:52PM Sunday December 8, 2019 4:34 AM PST (12:34 UTC) Moonrise 2:58PMMoonset 3:32AM Illumination 88% Phase: Waxing Gibbous; Moon at 11 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- 158 Am Pst Sun Dec 8 2019
Today..SW winds up to 10 kt. A chance of rain this morning.
Tonight..N winds around 5 kt.
Mon..NW winds around 5 kt. Patchy fog.
Mon night..W winds up to 10 kt.
Tue..NE winds up to 10 kt.
Tue night..NE winds up to 10 kt.
Wed..NE winds around 5 kt.
Thu..NE winds around 5 kt.
PZZ500 158 Am Pst Sun Dec 8 2019
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... South to southwest winds will continue to diminish overnight before turning back out of the northwest by this afternoon. Generally light to moderate winds will then persist through much of the week as high pressure builds in over the region. A weak system will move through early to mid next week bringing back southerly winds to the waters along with the return of rain showers. Wind waves will also ease overnight as winds diminish. A moderate west swell will continue through today before a northwest swell arrives on Monday and gradually builds throughout the coming week.


7 Day Forecast for Marine Location Near Santa Venetia, CA
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location: 38.02, -122.5     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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FXUS66 KMTR 081134 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 334 AM PST Sun Dec 8 2019

SYNOPSIS. Scattered showers will continue into this morning, ending from north to south on during the afternoon. Dry conditions are then forecast for most of next week, except for light rain chances late Tuesday and Tuesday night and then again late in the week. Temperatures will be near seasonal averages through next week.

DISCUSSION. As of 2:41 AM PST Sunday . KMUX radar scans continue to show scattered showers moving across the area, although they are decreasing in intensity and coverage. Hourly precip totals are mainly in the Santa Clara County and East Bay, where up to 0.12" have fallen. This shower activity will continue to diminish today, although the coastal mountains in Monterey and Santa Cruz county could see over a half inch of rain today in passing showers.

Dry weather is expected beginning on Monday as an upper level ridge builds back in over California. A weak trough is forecast to move across Northern California late Tuesday into Wednesday. Light rain could reach as far south as the Monterey Bay by Wednesday morning, but rain chances will be greatest the farther north you go. Another system moving across by next weekend could bring another shot of rain, but again this system looks to impact mainly far northern California. Otherwise, seasonably mild temperatures are expected.

AVIATION. as of 03:34 AM PST Sunday . For 12z tafs. MVFR conditions prevailing with occasionally reduced vis/cigs to IFR during passing heavier showers. Current observations show cigs between 2,000 and 5,000 ft AGL. BKN cigs expected to lift this afternoon, but SCT lower clouds may persist. Guidance shows low clouds re-developing again this evening. Showers will continue this morning before tapering off this afternoon and evening. Generally light winds this morning becoming onshore 10-15 kt this afternoon.

Vicinity of KSFO . MVFR conditions with passing showers. Cigs expected to lift this afternoon, but SCT lower clouds may continue into this evening. Lowering cigs forecast to return overnight. S/SW winds this morning shifting W late this morning/early this afternoon.

SFO Bridge Approach . Similar to KSFO.

Monterey Bay Terminals . VFR-MVFR conditions with showers. Cigs/vis may temporarily lower during heavier showers this morning before tapering off this afternoon/evening. Lowering cigs again this evening and overnight. Southerly winds this morning shifting to the W/NW by this afternoon.

MARINE. as of 1:58 AM PST Sunday . South to southwest winds will continue to diminish overnight before turning back out of the northwest by this afternoon. Generally light to moderate winds will then persist through much of the week as high pressure builds in over the region. A weak system will move through early to mid next week bringing back southerly winds to the waters along with the return of rain showers. Wind waves will also ease overnight as winds diminish. A moderate west swell will continue through today before a northwest swell arrives on Monday and gradually builds throughout the coming week.

MTR WATCHES/WARNINGS/ADVISORIES. Tday. None.

PUBLIC FORECAST: Sims AVIATION: AS MARINE: AS

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
RCMC1 - 9414863 - Richmond, CA 8 mi47 min 54°F
TIBC1 - Tiburon Pier, San Francisco Bay, CA 9 mi60 min Calm 56°F 1014 hPa
PPXC1 - 9414847 - Richmond (Point Potrero), CA 11 mi47 min SW 6 G 8 57°F 1014.7 hPa
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 13 mi47 min SW 4.1 G 6 56°F 1014 hPa
FTPC1 - 9414290 - San Francisco, CA 15 mi53 min SSW 4.1 G 6 56°F 54°F1014.6 hPa
PXOC1 - 9414311 - San Francisco (Pier 1), CA 16 mi47 min WSW 1 G 5.1 56°F 1013.4 hPa
OBXC1 17 mi47 min 56°F 56°F
OKXC1 - 9414776 - Oakland (Berth 34), CA 17 mi47 min W 2.9 G 5.1 55°F 1014.5 hPa
46237 - San Francisco Bar, CA (142) 18 mi35 min 54°F7 ft
LNDC1 19 mi47 min WSW 1.9 G 4.1 56°F 1014.4 hPa
UPBC1 20 mi47 min SW 1.9 G 4.1
AAMC1 - 9414750 - Alameda, CA 20 mi47 min 54°F
MZXC1 - 9415102 - Martinez-Amorco CA 20 mi53 min ESE 1 G 1.9 55°F 54°F1014.4 hPa
PCOC1 - 9415144 - Port Chicago, CA 25 mi47 min S 5.1 G 6 56°F 53°F1014 hPa
PRYC1 - 9415020 - Point Reyes, CA 25 mi47 min 54°F1013.9 hPa
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 26 mi25 min WSW 3.9 G 7.8 56°F 56°F1014.8 hPa
SFXC1 - San Francisco Bay Reserve, CA 28 mi50 min SSW 4.1 54°F 1014 hPa
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 33 mi53 min E 4.1 G 5.1 54°F 1014.4 hPa
RTYC1 - 9414523 - Redwood City, CA 39 mi47 min Calm G 1 55°F 56°F1015.1 hPa
46013 - Bodega Bay - 48NM North Northwest of San Francisco, CA 46 mi25 min SW 5.8 G 7.8 55°F 55°F1014.2 hPa52°F

Wind History for Richmond, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Novato / Gnoss Field, CA9 mi40 minN 07.00 miOvercast54°F53°F100%1014.6 hPa
Petaluma Municipal Airport, CA17 mi60 minN 010.00 miOvercast54°F53°F100%1014.6 hPa
Napa, Napa County Airport, CA18 mi41 minSSW 37.00 miOvercast55°F54°F96%1013.3 hPa
Concord, Buchanan Field, CA24 mi42 minSE 38.00 miLight Rain56°F52°F87%1013 hPa

Link to 5 minute data for KDVO

Wind History from DVO (wind in knots)
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2 days agoE54CalmCalmSE5SE5SE7SE5E7SE4
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Tide / Current Tables for Gallinas, Gallinas Creek, San Pablo Bay, California
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Petaluma River Approach #3/#4, San Pablo Bay, California Current
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Petaluma River Approach #3/#4
Click for Map
Sun -- 01:24 AM PST     -0.49 knots Max Ebb
Sun -- 03:32 AM PST     Moonset
Sun -- 03:51 AM PST     0.00 knots Slack
Sun -- 06:25 AM PST     0.69 knots Max Flood
Sun -- 07:13 AM PST     Sunrise
Sun -- 10:38 AM PST     -0.00 knots Slack
Sun -- 02:17 PM PST     -0.81 knots Max Ebb
Sun -- 02:57 PM PST     Moonrise
Sun -- 04:49 PM PST     Sunset
Sun -- 05:39 PM PST     0.00 knots Slack
Sun -- 08:04 PM PST     0.48 knots Max Flood
Sun -- 11:43 PM PST     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.4-0.5-0.5-0.30.10.50.70.70.60.40.2-0.1-0.5-0.7-0.8-0.8-0.6-0.20.10.40.50.40.30.1

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 (7,2,3,4)
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Ground Weather Radar Station Sacramento, CA
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weather_mapweather_map weather_map

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