Thursday, April9, 2020
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L-36.com


Marine Weather and Tides
Pittsburg, CA

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
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.

Sunrise 6:38AMSunset 7:39PM Thursday April 9, 2020 4:43 PM PDT (23:43 UTC) Moonrise 8:55PMMoonset 6:58AM Illumination 95% Phase: Waning Gibbous; Moon at 17 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- 221 Pm Pdt Thu Apr 9 2020
Tonight..SW winds up to 10 kt.
Fri..W winds 5 to 15 kt...with afternoon gusts to 20 kt.
Fri night..SW winds 5 to 15 kt.
Sat..SW winds 5 to 10 kt.
Sat night..SW winds 5 to 10 kt.
Sun..NW winds up to 10 kt.
Sun night..SW winds 5 to 10 kt.
Mon..W winds up to 10 kt.
Tue..W winds up to 10 kt.
PZZ500 221 Pm Pdt Thu Apr 9 2020
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... A weak surface low pressure circulation is leaving the southern outermost coastal waters and continues to move southward. Winds will be from the south over the coastal waters and from the east and southeast over the bays tonight, shifting to northwest Friday and becoming gusty over the weekend. Moderate northwest swell will persist through the rest of the week along with a long to moderate period southerly swell.


7 Day Forecast for Marine Location Near Pittsburg, CA
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location: 38.05, -121.87     debug


Area Discussion for - Sacramento, CA
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FXUS66 KSTO 092139 AFDSTO

Area Forecast Discussion National Weather Service Sacramento CA 239 PM PDT Thu Apr 9 2020

Synopsis. Lingering showers today, mainly over the Sierra Nevada south of I-80. Otherwise, dry and warmer with locally gusty northerly wind at times in the Central Valley.

Discussion. Another cloudy and cool spring day is in store for interior Northern California. Visible satellite shows low clouds continue to blanket the Valley this afternoon, though coverage is beginning to break up in the northern San Joaquin Valley. Cloud cover should keep temperatures cooler than yesterday in the low to upper 60s, especially in the northern Sacramento Valley where temperatures reached the mid 80s yesterday.

Closed upper level low pressure system is centered over the central California/Nevada border. Showers have diminished over NorCal late this morning, but impulses along the northern portion of the closed low will bring another chance of showers to the area later this afternoon through tonight. Showers will mainly be limited to the Sierra and Valley south of I-80 with a couple of inches of high elevation Central Sierra snow mainly south of Highway 50. Localized gusty Valley winds are possible this afternoon and evening with southerly gusts up to 20 to 25 mph.

The closed low will move southeast over Southern California Friday and then over southern Arizona on Saturday. High pressure will build over Northern California Friday into early next week. This will bring dry weather and warming temperatures to interior NorCal. Valley temperatures will warm into the 70s Friday with low 80s possible in the northern Sacramento Valley Saturday and Sunday. A brief impulse over the ridge could bring slight showers to the Sierra south of I-80 Sunday afternoon, though accumulation is expected to be light at this time. HEC

EXTENDED DISCUSSION (Monday THROUGH Thursday). The configuration of an offshore ridge and amplifying flow over the Intermountain West will support a period of breezy northerly winds on Monday. Shortwave energy traversing this trough could graze the Sierra spawning scattered showers over the higher elevations. Thereafter, some increase in heights are expected as the eastern Pacific ridge drifts eastward. This will support a gradual uptick in temperatures along with dry weather ahead. By mid-week, some of the guidance carries a weak upper low which may approach the coast. However, there is not the greatest consistency amongst the global models which leads to a decrease in confidence. High temperatures during the week will remain in the mid/upper 70s, locally reaching the low 80s across the northern Sacramento Valley. This is around 5 to 10 degrees above climatology for mid- April. ~BRO

AVIATION. VFR conditions at TAF sites. Periods of southerly wind gusts up to 20 mph around Sacramento sites through 02z, then light winds.

STO WATCHES/WARNINGS/ADVISORIES. None.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 1 mi133 min ESE 8.9 G 12 58°F 1017.1 hPa
PCOC1 - 9415144 - Port Chicago, CA 9 mi133 min ENE 11 G 13 56°F 58°F1016.7 hPa
SFXC1 - San Francisco Bay Reserve, CA 13 mi178 min E 6
UPBC1 13 mi133 min ENE 12 G 14
MZXC1 - 9415102 - Martinez-Amorco CA 14 mi133 min NE 9.9 G 12 57°F 58°F1017 hPa
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 21 mi133 min E 15 G 17 58°F 1016.6 hPa
LNDC1 28 mi133 min WSW 6 G 8 59°F 1016.5 hPa
PPXC1 - 9414847 - Richmond (Point Potrero), CA 28 mi133 min W 6 G 8.9 60°F 1017 hPa
OBXC1 30 mi133 min 59°F 51°F
OKXC1 - 9414776 - Oakland (Berth 34), CA 30 mi133 min NNW 4.1 G 5.1 57°F 1016.8 hPa
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 30 mi133 min WSW 2.9 G 4.1
AAMC1 - 9414750 - Alameda, CA 30 mi133 min WSW 5.1 G 6 58°F 58°F1016.7 hPa
RCMC1 - 9414863 - Richmond, CA 30 mi133 min W 2.9 G 5.1 59°F 57°F1016.5 hPa
TIBC1 - Tiburon Pier, San Francisco Bay, CA 32 mi165 min NNW 6 58°F 1017 hPa (+0.0)
PXOC1 - 9414311 - San Francisco (Pier 1), CA 33 mi133 min NNW 5.1 G 6 57°F 1015.9 hPa
PXSC1 33 mi133 min 58°F 54°F
FTPC1 - 9414290 - San Francisco, CA 36 mi133 min WNW 5.1 G 7 58°F 59°F1017 hPa
RTYC1 - 9414523 - Redwood City, CA 42 mi133 min N 5.1 G 8 60°F 60°F1016.9 hPa
46237 - San Francisco Bar, CA (142) 44 mi133 min 56°F4 ft

Wind History for Port Chicago, CA
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Concord, Buchanan Field, CA11 mi50 minENE 810.00 miMostly Cloudy61°F48°F63%1014.9 hPa
Fairfield / Travis Air Force Base, CA16 mi45 minE 1110.00 miMostly Cloudy63°F49°F60%1017.3 hPa
Vacaville Nut Tree Airport, CA23 mi50 minE 610.00 miMostly Cloudy63°F48°F58%1016.9 hPa
Napa, Napa County Airport, CA24 mi49 minESE 9 G 1610.00 miFair63°F50°F63%1015 hPa
Livermore, Livermore Municipal Airport, CA24 mi50 minNNE 1010.00 miMostly Cloudy60°F48°F65%1015.7 hPa

Link to 5 minute data for KCCR

Wind History from CCR (wind in knots)
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Last 24hrW12SW8SW9SW11S5S7SW6W6SW4SW7--CalmSW3CalmSE3E3NE63E5E9
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1 day ago5NW8NW13W14
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W8--S4CalmSE3S7S5S9S10
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S8CalmS6S6CalmCalmS7S8SW10S10SW8
2 days agoCalmN6W6S5CalmSW4CalmSE3CalmS4S4S5SW3CalmS3SE4CalmSE3Calm3NW4Calm4Calm

Tide / Current Tables for Pittsburg, New York Slough, Suisun Bay, California
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Pittsburg
Click for Map
Thu -- 04:18 AM PDT     4.35 feet High Tide
Thu -- 06:39 AM PDT     Sunrise
Thu -- 07:58 AM PDT     Moonset
Thu -- 11:22 AM PDT     -0.29 feet Low Tide
Thu -- 05:19 PM PDT     3.71 feet High Tide
Thu -- 07:38 PM PDT     Sunset
Thu -- 09:55 PM PDT     Moonrise
Thu -- 11:09 PM PDT     0.68 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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11.933.94.34.23.72.81.70.80.1-0.3-0.20.41.42.53.33.73.63.12.31.50.90.7

Tide / Current Tables for Chain Island .7 mi SW, Sacramento River, California Current
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Chain Island .7 mi SW
Click for Map
Thu -- 12:06 AM PDT     0.01 knots Slack
Thu -- 02:56 AM PDT     1.60 knots Max Flood
Thu -- 06:22 AM PDT     -0.00 knots Slack
Thu -- 06:39 AM PDT     Sunrise
Thu -- 07:58 AM PDT     Moonset
Thu -- 09:42 AM PDT     -1.77 knots Max Ebb
Thu -- 01:08 PM PDT     0.00 knots Slack
Thu -- 04:00 PM PDT     1.36 knots Max Flood
Thu -- 07:20 PM PDT     -0.00 knots Slack
Thu -- 07:38 PM PDT     Sunset
Thu -- 09:55 PM PDT     Moonrise
Thu -- 09:59 PM PDT     -1.30 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.10.81.41.61.40.90.3-0.5-1.3-1.7-1.8-1.5-1-0.10.71.21.41.20.80.2-0.5-1.1-1.3-1.1

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 Sacramento, CA (19,4,5,8)
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Ground Weather Radar Station Sacramento, CA
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weather_mapweather_map weather_map

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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.