Saturday, June12, 2021
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Marine Weather and Tides
Black Point-Green Point, 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 5:45AMSunset 8:35PM Saturday June 12, 2021 7:24 AM PDT (14:24 UTC) Moonrise 6:27AMMoonset 9:52PM Illumination 7% Phase: Waxing Crescent; Moon at 2 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- 308 Am Pdt Sat Jun 12 2021
Today..SW winds 5 to 10 kt, becoming W 10 to 20 kt with gusts up to 30 kt this afternoon.
Tonight..W winds 10 to 20 kt with gusts up to 25 kt.
Sun..SW winds 5 to 15 kt with gusts up to 25 kt.
Sun night..SW winds 5 to 10 kt. A slight chance of rain.
Mon..SW winds 10 to 20 kt with gusts up to 30 kt. Patchy dense fog.
Mon night..W winds 5 to 15 kt with gusts up to 25 kt.
Tue..W winds 5 to 15 kt.
Wed..W winds 5 to 15 kt.
PZZ500 308 Am Pdt Sat Jun 12 2021
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Light split flow across the waters today, with southerly winds in the northern outer waters and locally breezy north to northwest winds from pigeon point southward through big sur. Infrequent gale force gusts are possible from point sur and southward by late today into tonight. Lighter winds will lead to less steep northwest seas at 9 to 10 seconds today with a light long period southwest swell across the waters.


7 Day Forecast for Marine Location Near Black Point-Green Point, CA
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location: 38.11, -122.5     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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FXUS66 KMTR 121159 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 459 AM PDT Sat Jun 12 2021

SYNOPSIS. Low clouds are filling in across the Bay Area this morning with light rain and drizzle along coastal Sonoma County. Low clouds will sluggishly clear during the day, onshore winds ushering low clouds inland each night and morning through early next week. The storm track stays north of the Bay Area keeping temperatures near normal Saturday and Sunday and right through early next week. From Wednesday through Friday strong high pressure building from the desert will bring hot weather to interior valleys while the coast and bays should maintain near or slightly above normal temperatures.

DISCUSSION. as of 4:10 AM PDT Saturday . It's a murky start to the morning with low clouds filling in across the Bay Area with a weakening frontal system arriving from the north, obs show the front has very weak surface pressure falls. The front is accompanied by a plume of water vapor with max precipitable water values greater than 1" along coastal NorCal; dewpoint temperatures have climbed to the 50s at all locations, a signature of higher surface based water vapor. High resolution model forecasts have been unable to resolve the surface to near surface mechanisms subsequently resulting in light rain and drizzle along coastal Sonoma County overnight, amounts have varied between 0.01" and 0.10" from the Sea Ranch to Bodega Bay. 0.01" reported just west of Cazadero and Occidental, while inland to the north late last evening at Ukiah Airport a trace of rain was reported. The main focus of measurable light rain and drizzle has been confined closer to the coastline. With the front settling across our cwa through morning, a few more patches of coastal light rain and/or drizzle, mainly north, is a possibility through daybreak.

Diurnal mixing under a strong June sun angle will help clear the low clouds back to the coastline from late morning to afternoon. High temperatures today climbing a few degrees higher than on Friday, highs today 60s/70s coast side and bay side while far inland will warm to the 80s. Onshore winds usher low clouds inland this evening and Sunday morning, and similarly again expect an inland intrusion Sunday evening and Monday morning. Patchy drizzle at the coast and in the East Bay hills with the onshore winds each night is also a possibility, the NBM is struggling to resolve this.

The high pressure system developing over the Desert Southwest next week will cause increasing 500 mb heights over our cwa with warm to hot inland temperatures mid to late next week. This will bring about increasing heat related risks, particularly over the inland valleys and at elevation in the hills. Please stay tuned to the latest forecasts.

AVIATION. as of 4:55 AM PDT Saturday . For the 12z TAFs. A weak cold front passed over the region overnight and is now exiting the area. MVFR cigs developed along and in the wake of the frontal boundary and is resulting in generally SCT-BKN cigs at 1000-2000 ft across the Bay Area terminals. These cigs will linger through the coastal gaps and into the KOAK/KSFO vicinity into the mid to late morning, while other others should see clearing to FEW/SCT by early to mid morning at the latest. Otherwise, generally light morning winds will become locally breezy by the afternoon, with occasional afternoon to evening gusts 15-25kt possible. For tonight, a marine layer is forecast do develop and bring borderline MVFR/IFR cigs to most coastally influenced locations.

Vicinity of KSFO . Passing frontal boundary will bring SCT/BKN MVFR cigs to the terminal through mid morning Saturday. Breezy onshore winds Saturday afternoon with gusts to around 25kt. Patchy stratus rebuilds offshore and pushes into the vicinity of the terminal after midnight tonight.

SFO Bridge Approach . Similar to KSFO.

Monterey Bay Terminals . Model data suggested frontal cigs will remain just offshore of KMRY and latest satellite imagery confirms this for now. As such, expecting VFR to continue with med confidence. Winds this morning will be generally light then increase to become briefly breezy midday Saturday. Local WRF & HREF progs return of some patchy stratus cigs to KMRY by 00-01Z SUN.

MARINE. as of 04:54 AM PDT Saturday . Light split flow across the waters today, with southerly winds in the northern outer waters and locally breezy north to northwest winds from Pigeon Point southward through Big Sur. Infrequent gale force gusts are possible from Point Sur and southward by late today into tonight. Lighter winds will lead to less steep northwest seas at 9 to 10 seconds today with a light long period southwest swell across the waters.

MTR WATCHES/WARNINGS/ADVISORIES. Tday. SCA . Mry Bay from 12 PM SCA . Pigeon Pt to Pt Pinos 0-10 nm from 12 PM SCA . Pt Pinos to Pt Piedras Blancas 0-10 nm



PUBLIC FORECAST: Canepa AVIATION: DRP MARINE: DRP

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 13 mi55 min W 5.1 G 7 62°F 1015.8 hPa
RCMC1 - 9414863 - Richmond, CA 14 mi55 min S 1.9 G 2.9 60°F 62°F1016.1 hPa
TIBC1 - Tiburon Pier, San Francisco Bay, CA 15 mi44 min Calm 61°F 1016 hPa
CQUC1 15 mi36 min 65°F
PPXC1 - 9414847 - Richmond (Point Potrero), CA 16 mi55 min ESE 4.1 G 5.1 61°F 1016.6 hPa
UPBC1 21 mi55 min W 7 G 8.9
FTPC1 - 9414290 - San Francisco, CA 21 mi55 min W 4.1 G 5.1 58°F 58°F1016.3 hPa
MZXC1 - 9415102 - Martinez-Amorco CA 21 mi55 min W 8 G 9.9 62°F 65°F1016 hPa
PXSC1 22 mi55 min 61°F 61°F
PXOC1 - 9414311 - San Francisco (Pier 1), CA 22 mi55 min E 2.9 G 4.1 60°F 1015.1 hPa
OKXC1 - 9414776 - Oakland (Berth 34), CA 22 mi55 min Calm G 1.9 60°F 1016.2 hPa
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 23 mi55 min Calm G 2.9
46237 - San Francisco Bar, CA (142) 23 mi55 min 56°F4 ft
OBXC1 23 mi55 min 61°F 61°F
PCOC1 - 9415144 - Port Chicago, CA 25 mi55 min WSW 9.9 G 12 62°F 65°F1015.6 hPa
LNDC1 25 mi55 min S 2.9 G 2.9 61°F 1016.1 hPa
PRYC1 - 9415020 - Point Reyes, CA 26 mi55 min 51°F1016.3 hPa
SFXC1 - San Francisco Bay Reserve, CA 26 mi100 min WNW 8 60°F 1016 hPa57°F
AAMC1 - 9414750 - Alameda, CA 26 mi55 min S 1.9 G 2.9 61°F 66°F1016.4 hPa
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 30 mi35 min W 1.9 G 3.9 56°F6 ft1016.7 hPa
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 33 mi55 min WNW 8.9 G 13 63°F 1015.3 hPa
BDXC1 33 mi79 min 51°F
RTYC1 - 9414523 - Redwood City, CA 44 mi55 min SW 1 G 1.9 62°F 1017 hPa

Wind History for Richmond, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Novato / Gnoss Field, CA4 mi50 minN 010.00 miFair59°F57°F94%1015.9 hPa
Petaluma Municipal Airport, CA12 mi30 minWNW 610.00 miOvercast61°F59°F94%1016.3 hPa
Napa, Napa County Airport, CA14 mi31 minNW 310.00 miMostly Cloudy60°F58°F93%1015 hPa

Link to 5 minute data for KDVO

Wind History from DVO (wind in knots)
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Tide / Current Tables for Petaluma River entrance, San Pablo Bay, California
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Petaluma River entrance
Click for Map
Sat -- 01:55 AM PDT     6.08 feet High Tide
Sat -- 05:46 AM PDT     Sunrise
Sat -- 07:27 AM PDT     Moonrise
Sat -- 09:47 AM PDT     -0.75 feet Low Tide
Sat -- 04:38 PM PDT     4.60 feet High Tide
Sat -- 08:33 PM PDT     Sunset
Sat -- 09:31 PM PDT     2.88 feet Low Tide
Sat -- 10:52 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.95.86.15.85.13.92.51.20.1-0.6-0.7-0.30.61.72.93.94.54.64.33.73.22.92.93.4

Tide / Current Tables for Petaluma River Approach, San Pablo Bay, California Current
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Petaluma River Approach
Click for Map
Sat -- 01:56 AM PDT     -0.00 knots Slack
Sat -- 05:31 AM PDT     -0.97 knots Max Ebb
Sat -- 05:46 AM PDT     Sunrise
Sat -- 07:27 AM PDT     Moonrise
Sat -- 10:13 AM PDT     0.00 knots Slack
Sat -- 01:26 PM PDT     0.55 knots Max Flood
Sat -- 05:24 PM PDT     -0.00 knots Slack
Sat -- 07:01 PM PDT     -0.18 knots Max Ebb
Sat -- 08:33 PM PDT     Sunset
Sat -- 09:00 PM PDT     0.00 knots Slack
Sat -- 10:51 PM PDT     Moonset
Sat -- 11:39 PM PDT     0.57 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.50.3-0-0.4-0.8-0.9-1-0.8-0.7-0.4-0.10.30.50.50.50.50.30.1-0.1-0.2-0.100.30.5

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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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