Sunday, April18, 2021
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Marine Weather and Tides
Oakley, CA

Version 3.4
NOTICE
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:24AMSunset 7:47PM Sunday April 18, 2021 1:38 PM PDT (20:38 UTC) Moonrise 9:41AMMoonset 12:15AM Illumination 43% Phase: First Quarter Moon; Moon at 7 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- 843 Am Pdt Sun Apr 18 2021
Today..NW winds around 5 kt, becoming sw 5 to 15 kt with gusts up to 25 kt this afternoon.
Tonight..SW winds 5 to 15 kt.
Mon..SW winds 5 to 15 kt.
Mon night..SW winds up to 10 kt.
Tue..SW winds 5 to 15 kt with gusts up to 25 kt.
Tue night..SW winds 5 to 15 kt.
Wed..W winds 5 to 15 kt.
Thu..SW winds 5 to 10 kt.
PZZ500 843 Am Pdt Sun Apr 18 2021
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Expect winds to gradually increase this afternoon and evening. Winds will then pick up further on Monday as a disturbance moves down from the pacific northwest into northern california. NEar gale force gusts may be possible over the northern waters by Tuesday morning. Elevated winds will persist through mid week. These winds will produce steep wind waves creating hazardous seas conditions, particularly for smaller vessels. Moderate northwest swell through the period along with a lighter longer period southerly swell.


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 182030 AFDSTO

Area Forecast Discussion National Weather Service Sacramento CA 130 PM PDT Sun Apr 18 2021

SYNOPSIS. Dry and well above normal temperatures through Monday. Cooler Tuesday with the chance of mainly mountain showers and isolated thunderstorms. Slight chance of showers Wednesday before returning to dry weather for the mountains.

DISCUSSION. High pressure will continue through Monday. Light winds with little change to some minor cooling for the daytime high temperatures are expected on Monday. We should see an increase in winds late in the day in the Delta that should persist through at least the evening hours as well.

Early Tuesday a low pressure system will begin to move into the far part of the state. Some showers and maybe a few mountain thunderstorms may be possible with the best chances around I-80 northward during the day. As the low shift southward in the evening hours chances of showers and thunderstorms shifts southward from around Alpine County north through Plumas County. Snow levels will be around 7500 feet with 1 to 3 inches of snow possible over the peaks. The pace of the low moving southward has increased from yesterday as a result there are increased areas further south with chances of precipitation. The other notable change is winds will shift northerly during the afternoon in the valley but do not look to be strong.

Wednesday there is low confidence in continuing mountain showers. Models in disagreement on the placement of the low either well east of the region or remaining over California. Clusters have shifted the trough axis south into Southern California compared to yesterday when it was over Central California so the trend is toward less of a chance for precipitation.

EXTENDED DISCUSSION (Thursday THROUGH Sunday).

A ridge of high pressure will return for this Thursday and Friday with drier and warmer conditions returning. Temperatures remain roughly 10 to 15 degrees above normal during this time. A pattern change may be seen over the weekend into next week, although cluster analysis still indicates considerable timing issues on when a trough will move over area currently keeping the trough off the coast next Sunday. The deterministic European and GFS models are in good agreement indicating the potential for a decent late season storm moving into the region next Sunday. Uncertainty continues that far out.

AVIATION.

VFR conditions for next 24 hours. Surface wind gusts under 12 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 mi51 min WNW 5.1 G 7 78°F 1018.7 hPa
PCOC1 - 9415144 - Port Chicago, CA 19 mi51 min W 5.1 G 5.1 77°F 61°F1018.9 hPa
SFXC1 - San Francisco Bay Reserve, CA 22 mi54 min SW 7 84°F 1019 hPa38°F
MZXC1 - 9415102 - Martinez-Amorco CA 23 mi51 min W 6 G 6 71°F 61°F1019.3 hPa
UPBC1 23 mi51 min W 1.9 G 1.9
CQUC1 29 mi56 min 60°F
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 31 mi51 min W 4.1 G 5.1 69°F 1019.1 hPa
LNDC1 35 mi51 min WSW 4.1 G 5.1 68°F 1019.7 hPa
OKXC1 - 9414776 - Oakland (Berth 34), CA 37 mi51 min NW 8.9 G 11 57°F 1019.8 hPa
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 37 mi51 min NW 2.9 G 5.1
PPXC1 - 9414847 - Richmond (Point Potrero), CA 37 mi63 min SW 7 G 8 60°F 1020.3 hPa
AAMC1 - 9414750 - Alameda, CA 37 mi51 min WSW 2.9 G 4.1 63°F 61°F1020 hPa
OBXC1 38 mi51 min 60°F 55°F
RCMC1 - 9414863 - Richmond, CA 39 mi57 min S 5.1 G 6 62°F 59°F1019.7 hPa
PXOC1 - 9414311 - San Francisco (Pier 1), CA 40 mi51 min ESE 1 G 2.9 61°F 1018.9 hPa
PXSC1 40 mi51 min 62°F 54°F
TIBC1 - Tiburon Pier, San Francisco Bay, CA 41 mi58 min Calm 66°F 1020 hPa
FTPC1 - 9414290 - San Francisco, CA 44 mi57 min WSW 15 G 22 51°F 58°F1020.3 hPa
RTYC1 - 9414523 - Redwood City, CA 45 mi51 min N 5.1 G 6 70°F 1020.3 hPa

Wind History for Port Chicago, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Concord, Buchanan Field, CA19 mi46 minN 910.00 miFair85°F25°F11%1017.5 hPa
Fairfield / Travis Air Force Base, CA22 mi41 minN 410.00 miFair87°F22°F9%1019.3 hPa
Livermore, Livermore Municipal Airport, CA23 mi46 minSSW 610.00 miFair80°F26°F14%1018.6 hPa

Link to 5 minute data for KCCR

Wind History from CCR (wind in knots)
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W12CalmSW4N5N3CalmCalmCalmCalmCalmCalmCalmS3S3CalmCalm3N9
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S6S10S12S13S13S12S12S10S8S8SW4S6S633NW8NW10
2 days agoNW16W8SW11NW10W7W7SW6S6W4W9S3SW6S4CalmSW5S3--SW4S3SW45N6N8NW11

Tide / Current Tables for False River, San Joaquin River, California
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False River
Click for Map
Sun -- 01:15 AM PDT     Moonset
Sun -- 03:03 AM PDT     1.48 feet Low Tide
Sun -- 06:26 AM PDT     Sunrise
Sun -- 08:25 AM PDT     3.07 feet High Tide
Sun -- 10:40 AM PDT     Moonrise
Sun -- 04:45 PM PDT     0.15 feet Low Tide
Sun -- 07:45 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.11.81.61.51.61.82.32.8332.72.31.71.20.70.30.20.20.30.611.51.82.1

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
Sun -- 01:15 AM PDT     Moonset
Sun -- 02:01 AM PDT     -0.20 knots Max Ebb
Sun -- 04:15 AM PDT     0.00 knots Slack
Sun -- 06:26 AM PDT     Sunrise
Sun -- 07:08 AM PDT     0.34 knots Max Flood
Sun -- 09:32 AM PDT     -0.00 knots Slack
Sun -- 10:41 AM PDT     Moonrise
Sun -- 01:16 PM PDT     -0.85 knots Max Ebb
Sun -- 06:09 PM PDT     0.00 knots Slack
Sun -- 07:46 PM PDT     Sunset
Sun -- 09:59 PM PDT     0.33 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0-0.1-0.2-0.2-00.10.30.30.30.1-0.1-0.5-0.7-0.8-0.8-0.7-0.5-0.3-00.10.30.30.30.3

Weather Map
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GEOS Local Image of CentralWestCoast    EDIT
NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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