Saturday, June12, 2021
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Marine Weather and Tides
Milpitas, 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 5:44AMSunset 8:30PM Saturday June 12, 2021 7:35 AM PDT (14:35 UTC) Moonrise 6:27AMMoonset 9:47PM 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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PZZ531 San Francisco Bay South Of The Bay Bridge- 308 Am Pdt Sat Jun 12 2021
Today..S winds around 5 kt, becoming W 10 to 20 kt with gusts up to 25 kt this afternoon. Patchy fog this morning.
Tonight..W winds 10 to 20 kt with gusts up to 25 kt.
Sun..W winds 5 to 15 kt. Patchy dense fog. A slight chance of rain.
Sun night..W winds up to 10 kt. A slight chance of rain.
Mon..W winds 10 to 20 kt with gusts up to 25 kt.
Mon night..W winds 5 to 15 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 Milpitas, CA
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location: 37.44, -121.91     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
RTYC1 - 9414523 - Redwood City, CA 17 mi48 min S 1.9 G 2.9 62°F 1016.9 hPa
AAMC1 - 9414750 - Alameda, CA 31 mi48 min SSE 1.9 G 4.1 61°F 66°F1016.5 hPa
LNDC1 31 mi48 min S 2.9 G 4.1 62°F 1016.1 hPa
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 33 mi48 min S 1.9 G 2.9
OKXC1 - 9414776 - Oakland (Berth 34), CA 34 mi48 min SW 2.9 G 4.1 60°F 1016.2 hPa
OBXC1 34 mi48 min 61°F 61°F
46269 36 mi66 min 55°F3 ft
PXSC1 36 mi48 min 62°F 62°F
PXOC1 - 9414311 - San Francisco (Pier 1), CA 36 mi48 min ESE 2.9 G 4.1 60°F 1015.2 hPa
FTPC1 - 9414290 - San Francisco, CA 39 mi48 min W 4.1 G 4.1 58°F 58°F1016.4 hPa
PPXC1 - 9414847 - Richmond (Point Potrero), CA 40 mi48 min S 4.1 G 5.1 61°F 1016.6 hPa
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 41 mi48 min WNW 9.9 G 13 64°F 1015.4 hPa
TIBC1 - Tiburon Pier, San Francisco Bay, CA 42 mi55 min Calm 61°F 1016 hPa
RCMC1 - 9414863 - Richmond, CA 43 mi54 min SE 1 G 2.9 60°F 62°F1016.2 hPa
UPBC1 43 mi48 min W 9.9 G 11
PCOC1 - 9415144 - Port Chicago, CA 43 mi48 min WSW 8.9 G 11 62°F 65°F1015.7 hPa
MZXC1 - 9415102 - Martinez-Amorco CA 43 mi48 min W 8.9 G 8.9 62°F 65°F1016 hPa
ELXC1 - Elkhorn Slough Reserve, CA 44 mi111 min NE 1.9 51°F 1015 hPa49°F
46237 - San Francisco Bar, CA (142) 45 mi66 min 56°F4 ft
CQUC1 46 mi47 min 65°F
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 47 mi48 min W 5.1 G 6 62°F 1015.7 hPa
46092 - MBM1 48 mi90 min Calm 55°F 54°F1015.5 hPa (-0.8)

Wind History for Redwood City, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
San Jose, San Jose International Airport, CA5 mi43 minSW 310.00 miOvercast62°F54°F75%1016.2 hPa
Mountain View, Moffett Field, CA7 mi46 minS 310.00 miOvercast63°F57°F83%1016.3 hPa
San Jose / Reid / Hillv, CA8 mi40 minW 610.00 miOvercast63°F55°F77%1016.6 hPa
Palo Alto Airport, CA11 mi49 minN 010.00 miOvercast63°F55°F77%1016.3 hPa
Hayward, Hayward Air Terminal, CA19 mi42 minSSE 410.00 miOvercast61°F58°F90%1016.9 hPa
Livermore, Livermore Municipal Airport, CA19 mi43 minSW 410.00 miOvercast61°F56°F84%1015.8 hPa
San Carlos Airport, CA19 mi41 minN 010.00 miOvercast63°F55°F77%1016.6 hPa
Oakland, Metro Oakland International Airport, CA24 mi43 minN 010.00 miOvercast63°F59°F87%1016.1 hPa

Link to 5 minute data for KSJC

Wind History from SJC (wind in knots)
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Last 24hrCalm3NW54NW10N10NW12
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N12N16N14N13N7N6N6N3N3NW3CalmS4SW3SW3
1 day agoCalmNW7NW10N9N8NW7NW10NW14N15N20
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Tide / Current Tables for Coyote Creek, Tributary #1, San Francisco Bay, California
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Coyote Creek
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Sat -- 01:55 AM PDT     8.39 feet High Tide
Sat -- 05:46 AM PDT     Sunrise
Sat -- 07:27 AM PDT     Moonrise
Sat -- 10:21 AM PDT     -1.15 feet Low Tide
Sat -- 04:38 PM PDT     6.98 feet High Tide
Sat -- 08:29 PM PDT     Sunset
Sat -- 10:05 PM PDT     2.97 feet Low Tide
Sat -- 10:47 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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6.17.78.48.17.25.842.10.5-0.6-1.1-0.90.3245.76.86.96.35.34.23.333.5

Tide / Current Tables for Dumbarton Point 2.3 mi NE, South San Francisco Bay, California Current
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Dumbarton Point 2.3 mi NE
Click for Map
Sat -- 02:05 AM PDT     -0.00 knots Slack
Sat -- 05:46 AM PDT     Sunrise
Sat -- 07:07 AM PDT     -1.41 knots Max Ebb
Sat -- 07:28 AM PDT     Moonrise
Sat -- 09:52 AM PDT     0.00 knots Slack
Sat -- 12:37 PM PDT     1.36 knots Max Flood
Sat -- 04:15 PM PDT     -0.01 knots Slack
Sat -- 07:43 PM PDT     -0.56 knots Max Ebb
Sat -- 08:30 PM PDT     Sunset
Sat -- 09:23 PM PDT     0.00 knots Slack
Sat -- 10:48 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.80.50.1-0.3-0.7-1-1.3-1.4-1.2-0.60.10.81.31.31.10.70.1-0.2-0.4-0.5-0.5-0.20.20.6

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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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