Thursday, February27, 2020
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Marine Weather and Tides
Oakley, 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 6:40AMSunset 5:59PM Thursday February 27, 2020 9:13 AM PST (17:13 UTC) Moonrise 8:57AMMoonset 9:53PM Illumination 17% Phase: Waxing Crescent; Moon at 4 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- 904 Am Pst Thu Feb 27 2020
Today..NE winds around 5 kt, becoming north this afternoon.
Tonight..NW winds up to 10 kt.
Fri..NE winds up to 10 kt.
Fri night..W winds 5 to 15 kt.
Sat..W winds 10 to 20 kt with gusts up to 25 kt.
Sat night..NW winds 10 to 20 kt with gusts up to 25 kt.
Sun..N winds 10 to 20 kt with gusts up to 25 kt.
Mon..NW winds 5 to 15 kt.
PZZ500 904 Am Pst Thu Feb 27 2020
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Relatively light northerly winds will prevail across the coastal waters today and Friday. Northerly winds will begin to strengthen over the northern outer waters Friday afternoon as a low pressure system slides south across the region. Strong northerly winds will spread south through the weekend and into next week. A moderate longer period northwest swell will move across the coastal waters through the end of the week. Another long period northwesterly swell is anticipated to move across the region over the weekend.


7 Day Forecast for Marine Location Near Oakley, CA
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location: 38.02, -121.69     debug


Area Discussion for - Sacramento, CA
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FXUS66 KSTO 271030 AFDSTO

Area Forecast Discussion National Weather Service Sacramento CA 230 AM PST Thu Feb 27 2020

Synopsis. Dry with above normal daytime temperatures through Friday. Cooler and breezy this weekend with a threat of showers, mainly in the foothills and mountains. Dry and warmer early next week with breezy north to east wind.

Discussion. Strong upper ridging continues over the area today with well above normal max temperatures. Highs today forecast near record levels again, with KSAC (Record 76) and KSCK (Record 77) likely to set new records. Some locally gusty northeasterly wind possible this morning through favorably oriented canyons and over ridges of the eastern foothills and mountains.

Ridge progresses Friday as Pacific frontal system approaches the PacNW. Lower latitude closed low currently near 25N 136W also progresses under increasing westerly flow. Associated mid to high level cloudiness spreads into the CWA from the SW Friday. High temperatures remain above normal tomorrow, with near record to record levels at some of our southern locations.

Frontal system tracks into the PacNW Friday night into early Saturday, then secondary short wave trough digs offshore near 130W Saturday. Increased dynamic/orographic forcing over the Shasta mountains by the afternoon could result in some scattered light showers. Significant cooling expected Saturday with locally breezy conditions. High temperatures are forecast 10 to 15 degrees lower than Friday.

Associated upper low then progged to dig south through the CWA Saturday night and Sunday. CAA continues over the area Sunday with breezy conditions. Potential for some showers over Interior NorCal Sunday, but with PWs generally around half an inch or less, best chances will be over the foothills and mountains. Snow levels lower into the foothills Sunday, but little to no accumulations expected at those elevations. Bulk of snow will fall over the higher elevations of Western Plumas mountains and Sierra Nevada. 2 to 5 inches of snow is possible at pass levels Sunday with locally up to about 8 inches over the higher elevations of the Sierra Nevada, south of Highway 50. Storm total QPF for the Central Valley only looks to be a few hundredths attm.

PCH

EXTENDED DISCUSSION (Monday THROUGH Thursday). Dry and mild conditions are expected next week as the trough exits the region and the Eastern Pacific ridge rebuilds. Periods of gusty north to east winds are expected through mid-week. Regarding temperatures, highs in the Valley will be in the upper 60s to mid 70s, with mountain locations in the low 40s to low 60s. These temperatures are forecast to be 5 to 10 degrees above average for early March.

AVIATION. VFR conditions expected to persist over the next 24 hours. Winds generally under 10 kts.

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 11 mi62 min SSE 2.9 G 4.1 57°F 1024.9 hPa
PCOC1 - 9415144 - Port Chicago, CA 19 mi56 min SSE 2.9 G 5.1 57°F 56°F1024.7 hPa
SFXC1 - San Francisco Bay Reserve, CA 22 mi89 min Calm
UPBC1 23 mi56 min ESE 2.9 G 5.1
MZXC1 - 9415102 - Martinez-Amorco CA 23 mi56 min ENE 2.9 G 4.1 56°F 56°F1025.1 hPa
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 31 mi56 min ENE 1.9 G 5.1 55°F 1024.6 hPa
LNDC1 35 mi56 min WNW 1.9 G 2.9 55°F 1024.7 hPa
AAMC1 - 9414750 - Alameda, CA 37 mi56 min N 1 G 1.9 56°F 57°F1024.8 hPa
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 37 mi62 min N 4.1 G 5.1
OKXC1 - 9414776 - Oakland (Berth 34), CA 37 mi56 min N 1.9 G 2.9 54°F 1024.9 hPa
PPXC1 - 9414847 - Richmond (Point Potrero), CA 37 mi56 min N 7 G 8.9 56°F 1025.1 hPa
OBXC1 38 mi62 min 55°F 53°F
RCMC1 - 9414863 - Richmond, CA 39 mi56 min NW 1.9 G 2.9 54°F 55°F1024.6 hPa
PXOC1 - 9414311 - San Francisco (Pier 1), CA 40 mi56 min NNW 2.9 G 4.1 54°F 1023.9 hPa
PXSC1 40 mi56 min 56°F 52°F
TIBC1 - Tiburon Pier, San Francisco Bay, CA 41 mi45 min NW 5.1 58°F 1025 hPa
FTPC1 - 9414290 - San Francisco, CA 44 mi56 min 55°F
RTYC1 - 9414523 - Redwood City, CA 45 mi56 min SE 1 G 1.9 60°F

Wind History for Port Chicago, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Concord, Buchanan Field, CA19 mi21 minSSE 310.00 miFair58°F45°F62%1023.8 hPa
Fairfield / Travis Air Force Base, CA22 mi18 minN 010.00 miFair58°F50°F75%1025.7 hPa
Livermore, Livermore Municipal Airport, CA23 mi21 minN 010.00 miFair54°F41°F62%1024.7 hPa

Link to 5 minute data for KCCR

Wind History from CCR (wind in knots)
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Last 24hrN5N83N644N3N5NW3CalmCalmCalmCalmSE3S4SE4S4SE4SE3CalmS5SE3SE4S3
1 day agoE65NE8
G14
E6NE5E85E6SE3N5CalmS4SE4SE4SE3S3CalmCalmCalmCalmCalmCalmS3Calm
2 days agoCalmNW6W7NW7NW6W5NW7NW9NW4E3SE3CalmCalmSE4SE3S3SE5S4CalmS3CalmCalmCalmS3

Tide / Current Tables for False River, San Joaquin River, California
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False River
Click for Map
Thu -- 12:41 AM PST     0.39 feet Low Tide
Thu -- 06:41 AM PST     Sunrise
Thu -- 06:55 AM PST     3.00 feet High Tide
Thu -- 08:56 AM PST     Moonrise
Thu -- 01:25 PM PST     0.75 feet Low Tide
Thu -- 05:57 PM PST     Sunset
Thu -- 07:03 PM PST     2.63 feet High Tide
Thu -- 09:52 PM PST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.50.40.61.21.92.52.932.92.51.91.410.80.81.11.62.12.52.62.52.21.71.1

Tide / Current Tables for West Island Lt .5 mi SE, San Joaquin River, California Current
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West Island Lt .5 mi SE
Click for Map
Thu -- 01:54 AM PST     0.00 knots Slack
Thu -- 04:42 AM PST     0.45 knots Max Flood
Thu -- 06:42 AM PST     Sunrise
Thu -- 07:50 AM PST     -0.00 knots Slack
Thu -- 08:57 AM PST     Moonrise
Thu -- 10:51 AM PST     -0.59 knots Max Ebb
Thu -- 02:30 PM PST     0.00 knots Slack
Thu -- 05:05 PM PST     0.33 knots Max Flood
Thu -- 05:58 PM PST     Sunset
Thu -- 07:51 PM PST     -0.00 knots Slack
Thu -- 09:53 PM PST     Moonset
Thu -- 10:58 PM PST     -0.66 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.6-0.300.30.40.40.30.2-0.1-0.3-0.5-0.6-0.5-0.4-0.10.10.30.30.30.2-0-0.3-0.6-0.7

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 (12,3,4,5)
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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.