Tuesday, January28, 2020
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Marine Weather and Tides
Oakland, 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 7:14AMSunset 5:29PM Tuesday January 28, 2020 3:32 AM PST (11:32 UTC) Moonrise 9:40AMMoonset 9:14PM Illumination 12% Phase: Waxing Crescent; Moon at 3 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- 257 Am Pst Tue Jan 28 2020
Today..SW winds 5 to 15 kt. A chance of rain.
Tonight..NW winds 5 to 15 kt.
Wed..NW winds up to 10 kt.
Wed night..W winds 5 to 15 kt.
Thu..W winds up to 10 kt.
Thu night..W winds up to 10 kt.
Fri..N winds around 5 kt.
Sat..N winds around 5 kt.
PZZ500 257 Am Pst Tue Jan 28 2020
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... A weak cool front moving across the coastal waters this morning will give way to increasing winds from the north and building short period seas. Conditions will remain elevated through the work week. A long period northwest swell will arrive later this week.


7 Day Forecast for Marine Location Near Oakland, CA
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location: 37.78, -122.25     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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FXUS66 KMTR 281059 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 259 AM PST Tue Jan 28 2020

SYNOPSIS. Light rain will be possible over the North Bay and as far south as San Francisco through early afternoon. Dry conditions are then forecast region-wide through the remainder of the week along with a gradual warming trend. Cooling is then forecast by Sunday and into early next week.

DISCUSSION. as of 02:58 AM PST Tuesday . A mid/upper level system approaching the Pacific Northwest has pushed a frontal boundary into Northern California early this morning. Ahead of the boundary, high level clouds continue to advect inland while low level moisture in the boundary layer has also resulted in low clouds over much of the region. This cloud cover has kept temperatures generally in the upper 40s to lower 50s so far this morning.

Light rain associated with the front is being detected by regional radar over Northern California and as far south as Mendocino County. This will continue to advance inland and southward through the morning with light precipitation likely to develop over the North Bay around sunrise and then continue through mid-morning. Light rain may push as far south as San Francisco and the San Mateo coastline before dissipating by early afternoon. Thus, most areas to the south of the aforementioned areas will remain dry today. Areas that do receive rainfall will generally see amounts of one-tenth of an inch or less.

A warming trend will occur through the remainder of the week as high pressure over the eastern Pacific builds inland. With 850 mb temperatures forecast to approach 15 deg C by Friday and Saturday, look for daytime temperatures to be 5 to 10 degrees above seasonal averages. Widespread middle/upper 60s are likely with lower 70s across the interior. Cannot even rule out maximum temperatures reaching into the middle 70s by Sunday afternoon under mainly clear sky conditions.

Temperatures cool region-wide by Sunday and into early next week as the ridge is replaced by a broad mid/upper level trough. However, precipitation will likely remain to the north and east of the region. Longer range outlooks maintain dry weather conditions over much of the region through early February.

AVIATION. as of 11:03 PM PST Monday . Cloud ceiling forecasts remain difficult for the overnight due to a transition from a weak warm front to mainly a weak cool front Tuesday. Outgoing night-time radiative cooling of the boundary layer will be slower tonight due to incoming mid to high level clouds from the northwest, however it's off to a solid start of low cloud development over the Salinas Valley to Monterey Bay. Tuesday's cool front spreads light showers from north to south during the day.

Vicinity of KSFO . VFR holding longer through the evening as sufficient drying continues to move in from the west. Lowering ceiling forecast Tuesday with cool front and light showers.

SFO Bridge Approach . Similar to KSFO.

Monterey Bay Terminals . IFR-MVFR cloud ceilings tonight and Tuesday morning, MVFR Tuesday. Isolated showers arriving Tuesday, mainly in the afternoon.

MARINE. as of 02:58 AM PST Tuesday . A weak cool front moving across the coastal waters this morning will give way to increasing winds from the north and building short period seas. Conditions will remain elevated through the work week. A Long period northwest swell will arrive later this week.

MTR WATCHES/WARNINGS/ADVISORIES. Tday. SCA . Pt Arena to Pigeon Pt 10-60 nm SCA . Pt Arena to Pt Reyes 0-10 nm SCA . Pt Pinos to Pt Piedras Blancas 0-10 nm SCA . Pigeon Pt to Pt Piedras Blancas 10-60 nm



PUBLIC FORECAST: RGass AVIATION: Canepa MARINE: BFG

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LNDC1 2 mi44 min ESE 5.1 G 6
AAMC1 - 9414750 - Alameda, CA 3 mi44 min 54°F
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 4 mi50 min ESE 5.1 G 5.1
OBXC1 5 mi44 min 54°F 54°F
OKXC1 - 9414776 - Oakland (Berth 34), CA 5 mi44 min SSE 2.9 G 6
PXSC1 8 mi44 min 55°F 54°F
PXOC1 - 9414311 - San Francisco (Pier 1), CA 8 mi44 min E 1.9 G 2.9 54°F 1027.5 hPa
PPXC1 - 9414847 - Richmond (Point Potrero), CA 11 mi44 min S 5.1 G 7 55°F 1028.8 hPa
FTPC1 - 9414290 - San Francisco, CA 12 mi50 min S 1.9 G 2.9 53°F 54°F1028.7 hPa
TIBC1 - Tiburon Pier, San Francisco Bay, CA 13 mi39 min SSW 2.9 52°F 1029 hPa (-0.0)
RCMC1 - 9414863 - Richmond, CA 13 mi44 min 54°F
UPBC1 19 mi44 min WNW 2.9 G 5.1
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 19 mi44 min WNW 1.9 G 2.9 52°F 1028.2 hPa
MZXC1 - 9415102 - Martinez-Amorco CA 19 mi50 min WNW 1 G 1.9 53°F 52°F1028.4 hPa
RTYC1 - 9414523 - Redwood City, CA 19 mi44 min SSE 1.9 G 2.9
46237 - San Francisco Bar, CA (142) 20 mi32 min 54°F8 ft
PCOC1 - 9415144 - Port Chicago, CA 22 mi44 min S 4.1 G 5.1 51°F
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 26 mi50 min W 5.1 G 8 53°F 1028 hPa
SFXC1 - San Francisco Bay Reserve, CA 31 mi47 min SW 4.1
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 31 mi22 min WSW 3.9 G 7.8 55°F 54°F1028.7 hPa
PRYC1 - 9415020 - Point Reyes, CA 41 mi50 min 54°F1028 hPa
46012 - HALF MOON BAY - 24NM South Southwest of San Francisco, CA 44 mi22 min WSW 3.9 G 7.8 55°F 55°F1028.8 hPa51°F

Wind History for Alameda, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Oakland, Metro Oakland International Airport, CA6 mi39 minESE 410.00 miOvercast54°F48°F83%1028.8 hPa
Hayward, Hayward Air Terminal, CA11 mi38 minESE 410.00 miOvercast51°F46°F86%1029.5 hPa
San Francisco, San Francisco International Airport, CA12 mi36 minN 010.00 miOvercast53°F48°F83%1028.5 hPa
Concord, Buchanan Field, CA17 mi39 minSE 410.00 miA Few Clouds50°F46°F86%1026.8 hPa
San Carlos Airport, CA17 mi37 minS 310.00 miOvercast50°F46°F88%1028.8 hPa
Livermore, Livermore Municipal Airport, CA23 mi39 minN 09.00 miPartly Cloudy47°F45°F93%1028.5 hPa
Half Moon Bay Airport, CA23 mi37 minN 010.00 miOvercast50°F48°F94%1029.1 hPa

Link to 5 minute data for KOAK

Wind History from OAK (wind in knots)
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Last 24hrS5E3CalmCalmE4SE4S4S4S6S4S6S6W8W7W10W6W3W7S4S3CalmCalmE4SE4
1 day agoW6SW3S4SW5W7W5W5W12W11W9W12W10W12W10W9W9NW7NW6CalmE3CalmSE4CalmS7
2 days agoSE3S4SE6CalmE3SE6S6S5CalmCalmW6W6NW4NW5NW3CalmNW3CalmNW3CalmS3SE3S4W9

Tide / Current Tables for Oakland Harbor, Park Street Bridge, San Francisco Bay, California
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Oakland Harbor
Click for Map
Tue -- 02:57 AM PST     5.64 feet High Tide
Tue -- 07:16 AM PST     Sunrise
Tue -- 08:12 AM PST     2.65 feet Low Tide
Tue -- 09:39 AM PST     Moonrise
Tue -- 01:52 PM PST     5.89 feet High Tide
Tue -- 05:27 PM PST     Sunset
Tue -- 08:29 PM PST     0.37 feet Low Tide
Tue -- 09:14 PM PST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.54.65.45.65.34.63.732.72.83.44.255.75.95.54.73.42.110.40.512

Tide / Current Tables for Oakland Harbor WebStreeter Street, San Francisco Bay, California Current
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Oakland Harbor WebStreeter Street
Click for Map
Tue -- 02:33 AM PST     -0.00 knots Slack
Tue -- 04:46 AM PST     -0.71 knots Max Ebb
Tue -- 07:16 AM PST     Sunrise
Tue -- 08:09 AM PST     0.00 knots Slack
Tue -- 09:39 AM PST     Moonrise
Tue -- 11:06 AM PST     0.65 knots Max Flood
Tue -- 01:50 PM PST     -0.00 knots Slack
Tue -- 04:54 PM PST     -1.12 knots Max Ebb
Tue -- 05:27 PM PST     Sunset
Tue -- 08:41 PM PST     0.01 knots Slack
Tue -- 09:14 PM PST     Moonset
Tue -- 11:53 PM PST     0.87 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.90.70.3-0.2-0.6-0.7-0.6-0.3-00.30.50.60.60.3-0.1-0.6-1-1.1-1-0.6-0.30.10.50.8

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 San Francisco/Monterey Bay Area, CA (6,6,7,8)
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Ground Weather Radar Station San Francisco Bay Area, CA
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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.