Thursday, July29, 2021
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Marine Weather and Tides
Pittsburg, CA

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
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 6:07AMSunset 8:20PM Thursday July 29, 2021 2:47 AM PDT (09:47 UTC) Moonrise 10:49PMMoonset 10:55AM Illumination 75% Phase: Waning Gibbous; Moon at 20 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- 852 Pm Pdt Wed Jul 28 2021
.small craft advisory in effect from Thursday afternoon through Thursday evening...
Tonight..SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 30 kt.
Thu..SW winds 15 to 20 kt with gusts up to 30 kt.
Thu night..SW winds 15 to 20 kt with gusts up to 30 kt.
Fri..SW winds 15 to 20 kt with gusts up to 30 kt.
Fri night..SW winds 15 to 20 kt with gusts up to 25 kt.
Sat..SW winds 15 to 20 kt with gusts up to 25 kt.
Sat night..SW winds 5 to 10 kt.
Sun..SW winds 10 to 15 kt.
Mon..SW winds 10 to 15 kt.
PZZ500 852 Pm Pdt Wed Jul 28 2021
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Light northwest winds over the waters through the end of the week. Stronger wind gusts can be expected through the golden gate gap into the san francisco bay Thursday afternoon and evening. These winds will generate steep wind waves that may be hazardous for smaller vessels. A moderate period southerly swell persists in the waters as northwest winds remain light generating wind waves around 7 to 9 seconds. Winds start to increase this weekend.


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 290906 AFDSTO

Area Forecast Discussion National Weather Service Sacramento CA 206 AM PDT Thu Jul 29 2021

SYNOPSIS. Late day mountain thunderstorm chances expected through the week. Above normal temperatures are expected through Friday with a slight cooling trend for the weekend and early next week.

DISCUSSION. GOES-West infrared imagery reveals some mid/high clouds propagating over central and northern interior California this early Thursday morning. Infrared imagery also shows the Dixie Fire continuing to burn hot in some areas of Butte and Plumas Counties. After a hot day yesterday, most communities are running at least several degrees warmer compared to 24 hours ago -- if not more. As of 1 AM PDT, Chico and Oroville are both at 16 degrees above compared to this time yesterday night. Onshore San Francisco to Sacramento gradient is a tad stronger resulting in wind gusts around 25 to 30 kt at Travis Air Force Base. By sunrise, temperatures will bottom out in the 60s to low 70s in the Valley with the adjacent thermal belts in the 70s.

An expansive upper level ridge centered over the Great Plains will continue to promote south/southeasterly flow aloft over the Southwestern United States. Surface temperatures again this afternoon will be around 5 to 8 deg F above late July normals with most Valley locations forecast to reach the triple digits. Exception to this would be around the Delta in Solano County. Another potential twist that will have to be closely monitored would be wildfire smoke and its influence on temperatures. Corresponding heat risk for this afternoon generally lands in the moderate (orange) risk with a few isolated pockets of high (red) risk.

Reoccurring opportunities for afternoon/evening showers/ thunderstorms will continue over the next several afternoons as the south/southwest flow draws moisture into portions of central and northern California. For this afternoon, slight chance of showers and thunderstorms extend along and east of the Sierra crest with the best chance generally along/south of Interstate 80. Better chances develop on Friday with 15 to 30 percent chance of showers/thunderstorms expanding through the mountains of Shasta County. Storms may be accompanied by gusty/erratic winds, brief downpours, and lightning.

Temperatures are forecast to moderate over the weekend as an upper level trough develops along the 140th meridian. Most pronounced cooling will occur in/around the Delta where temperatures will fall back by 10 or more deg F. Sacramento Metro Area will likely fall to the 90s for both Saturday and Sunday. // Rowe

EXTENDED DISCUSSION (Monday THROUGH Thursday). Cluster analysis in the extended favors troughing along the West Coast with weak ridging over the Rockies. The resulting onshore flow for northern California will keep temperatures in-check early next week with highs generally landing within several degrees of early August normals.

AVIATION.

VFR conditions at TAF sites. Local MVFR/IFR conditions in wildfire smoke, mainly over Plumas and Butte counties. Surface wind gusts under 12 kts continue except local southwest gusts 20-30 kts vicinity west Delta. Isolated showers and thunderstorms possible over the mountains after 18Z Thursday.

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 mi48 min NW 13 G 17 68°F 1012.1 hPa (-0.8)
PCOC1 - 9415144 - Port Chicago, CA 9 mi48 min W 16 G 19 63°F 69°F1013.6 hPa (-0.3)
SFXC1 - San Francisco Bay Reserve, CA 13 mi63 min W 11 62°F 1014 hPa56°F
UPBC1 13 mi48 min WNW 12 G 15
MZXC1 - 9415102 - Martinez-Amorco CA 14 mi48 min WNW 13 G 15 61°F 68°F1014 hPa (-0.3)
CQUC1 19 mi29 min 67°F
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 21 mi48 min SW 14 G 16 59°F 1014.3 hPa (+0.0)
LNDC1 28 mi48 min NNW 2.9 G 5.1 59°F 1015.2 hPa (-0.7)
PPXC1 - 9414847 - Richmond (Point Potrero), CA 28 mi48 min SSW 12 G 16 59°F 1015.3 hPa (-0.5)
OBXC1 30 mi48 min 58°F
OKXC1 - 9414776 - Oakland (Berth 34), CA 30 mi48 min WNW 4.1 G 6 57°F 1015.4 hPa (-0.6)
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 30 mi48 min W 4.1 G 5.1
AAMC1 - 9414750 - Alameda, CA 30 mi48 min WNW 5.1 G 6 58°F 69°F1015.6 hPa (-0.7)
RCMC1 - 9414863 - Richmond, CA 30 mi48 min S 2.9 G 5.1 59°F 64°F1015.1 hPa (-0.5)
TIBC1 - Tiburon Pier, San Francisco Bay, CA 32 mi37 min Calm 57°F 1015 hPa
PXOC1 - 9414311 - San Francisco (Pier 1), CA 33 mi48 min W 4.1 G 7 57°F 1014.4 hPa (-0.6)
PXSC1 33 mi48 min 58°F 58°F
FTPC1 - 9414290 - San Francisco, CA 36 mi48 min SSW 4.1 G 8 56°F 62°F1015.3 hPa (-0.6)
RTYC1 - 9414523 - Redwood City, CA 42 mi48 min NNW 5.1 G 6 61°F 1015.8 hPa (-0.7)
46237 - San Francisco Bar, CA (142) 44 mi48 min 59°F3 ft

Wind History for Port Chicago, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Concord, Buchanan Field, CA11 mi55 minWNW 310.00 miFair66°F55°F68%1012.3 hPa
Fairfield / Travis Air Force Base, CA16 mi50 minWSW 23 G 2710.00 miPartly Cloudy and Windy62°F55°F78%1012.1 hPa
Vacaville Nut Tree Airport, CA23 mi55 minSW 810.00 miFair73°F54°F51%1011.5 hPa
Napa, Napa County Airport, CA24 mi54 minSW 710.00 miFair60°F55°F84%1013.7 hPa
Livermore, Livermore Municipal Airport, CA24 mi55 minW 610.00 miFair66°F53°F63%1013.6 hPa

Link to 5 minute data for KCCR

Wind History from CCR (wind in knots)
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Last 24hrN4NW3CalmNW3W3CalmN4N6NW8NW7NW9NW12NW13NW12W13W11W12SW10W7S7S10CalmNW4NW3
1 day agoNW4CalmCalmCalmCalmCalmNW6NW6NW4N8NW8NW455N8N6N9NW9NW8N5N3CalmNW4NW6
2 days agoW8W7W8W8W5W6NW6NW10W8W7NW6S8W10SW13SW15W11W14W11W8NW6NW5CalmNW3W5

Tide / Current Tables for Pittsburg, New York Slough, Suisun Bay, California
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Pittsburg
Click for Map
Thu -- 02:00 AM PDT     1.24 feet Low Tide
Thu -- 06:08 AM PDT     Sunrise
Thu -- 07:18 AM PDT     3.31 feet High Tide
Thu -- 11:55 AM PDT     Moonset
Thu -- 01:57 PM PDT     0.31 feet Low Tide
Thu -- 08:19 PM PDT     Sunset
Thu -- 08:34 PM PDT     3.78 feet High Tide
Thu -- 11:49 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.81.41.21.41.92.63.13.33.22.92.21.50.90.50.30.51.122.83.43.73.73.42.9

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 -- 12:51 AM PDT     -1.05 knots Max Ebb
Thu -- 03:38 AM PDT     0.00 knots Slack
Thu -- 06:08 AM PDT     Sunrise
Thu -- 06:17 AM PDT     0.97 knots Max Flood
Thu -- 09:24 AM PDT     -0.00 knots Slack
Thu -- 11:55 AM PDT     Moonset
Thu -- 12:35 PM PDT     -1.46 knots Max Ebb
Thu -- 03:55 PM PDT     0.00 knots Slack
Thu -- 07:00 PM PDT     1.30 knots Max Flood
Thu -- 08:19 PM PDT     Sunset
Thu -- 10:39 PM PDT     -0.00 knots Slack
Thu -- 11:49 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.9-1-0.9-0.40.20.710.90.70.2-0.4-1.1-1.4-1.4-1.2-0.70.10.71.21.31.20.90.4-0.2

Weather Map
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wmap_P
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.
Link to Loop

Other links: GEOS-West     Contential US     Full GOES-East
Ground Weather Radar Station




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