Tuesday, June2, 2020
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Marine Weather and Tides
North Fair Oaks, 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 5:47AMSunset 8:25PM Monday June 1, 2020 10:35 PM PDT (05:35 UTC) Moonrise 2:55PMMoonset 2:18AM Illumination 85% Phase: Waxing Gibbous; Moon at 11 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- 845 Pm Pdt Mon Jun 1 2020
Tonight..W winds 5 to 15 kt, becoming nw around 5 kt after midnight.
Tue..NW winds 5 to 15 kt.
Tue night..W winds 5 to 15 kt.
Wed..NW winds 5 to 15 kt.
Wed night..W winds up to 10 kt.
Thu..W winds 5 to 15 kt.
Thu night..SW winds 5 to 10 kt.
Fri..W winds 10 to 20 kt.
Sat..W winds 5 to 15 kt.
PZZ500 845 Pm Pdt Mon Jun 1 2020
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... High pressure centered 400 miles west of cape mendocino extends to vancouver island. This will keep gusty northwest winds over the northern outer waters through Thursday with lighter winds elsewhere. A mix of short period northwesterly and long period southwesterly waves will maintain a mixed sea state through the week.


7 Day Forecast for Marine Location Near North Fair Oaks, CA
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location: 37.47, -122.18     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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FXUS66 KMTR 020404 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 904 PM PDT Mon Jun 1 2020

SYNOPSIS. A robust warming and drying trend is forecast for Tuesday and Wednesday, with interior locations expected to warm well above seasonal averages. Temperatures will begin to cool on Thursday, especially near the coast. Much cooler temperatures are forecast for all areas by Friday and into the upcoming weekend.

DISCUSSION. As of 9:00 PM PDT Monday . Considerably more sunshine today compared to Monday resulted in warmer temperatures in most locations today. Today's warming brought temperatures close to average for June 1st.

The current synoptic pattern includes a weak elongated upper trough just off the West Coast, while an upper ridge dominates the southern half of CONUS, including the Desert Southwest. Models are in agreement over the next 24 hours in forecasting the trough to pinch off and form a cutoff low west of San Diego while the ridge over the Desert Southwest builds north and west over California. As heights rise over our area, 850 mb temperatures are forecast to rapidly warm from 13-15 deg C currently to about 20 deg C tomorrow and then as warm as 25 deg C by Wednesday. Surface high temperatures are forecast to warm by as much as 15 degrees on Tuesday and then an additional five degrees for inland areas on Wednesday. The ECMWF continues to generate more airmass warming over the next few days compared to the GFS. In fact, ECMWF MOS max temperatures on Wednesday are as much as 10 to 15 degrees warmer than the GFS MOS. Our current forecast's high temperatures for the next two days are generally in between these two models, although slightly favoring the warmer solution. Even with this compromise temperature forecast, very warm to hot conditions will develop across interior portions of our area by Wednesday and Heat Risk will rise into the moderate to high categories. A Heat Advisory is in effect for all Interior Valleys and Mountains of the Bay Area and Central Coast from 10 AM to 9 PM Wednesday.

As always with heat events in coastal California, the difficult part of the forecast is determining how close to the coast the heat and associated heat risk will develop. Like the heat event last week, this one appears similar in that surface flow is expected to remain at least weakly onshore through the event. This will keep coastal temps relatively mild in comparison to inland temps. Even so, coastal areas are expected to see a sharp increase in temperatures tomorrow, with downtown San Francisco forecast to warm to about 80 degrees. But coastal areas should see temps stabilize or even cool a bit on Wednesday, while inland areas continue to warm.

An important difference in this week's heat compared to last week is duration. This upcoming event will almost certainly be of shorter duration. Temperatures are expected to begin cooling on Thursday as the ridge shifts slightly to the east and onshore flow begins to increase. Only the valleys and hills farthest inland will remain hot on Thursday. Much cooler temperatures are then expected in all areas by Friday as an upper trough approaches from the west.

There is a potential for precipitation over the upcoming weekend as the upper trough moves inland, but model differences means low forecast confidence concerning rainfall potential. Forecast confidence concerning weekend temperatures is high, however, as it appears highly likely that temps will be cooler than seasonal averages, especially inland.

AVIATION. As of 4:41 PM PDT Monday . Warmer air aloft is compressing the marine layer while a light drier north to northeast flow develops tonight. Clouds are reforming in patches along the coast and may impact the MRY Bay Area terminals but high confidence of VFR conditions in the SFO Bay Area.

Vicinity of KSFO . VFR with high clouds. West to northwest winds 15-20 kt decreasing after 04Z.

SFO Bridge Approach . Similar to KSFO.

Monterey Bay Terminals . Patchy stratus developing in the MRY Bay. MVFR cigs spreading into MRY after 02Z and into SNS after 04Z. Early clearing expected Tuesday morning. Northwest winds 10-12 kt decreasing after 03Z.

MARINE. As of 8:45 PM PDT Monday . High pressure centered 400 miles west of Cape Mendocino extends to Vancouver Island. This will keep gusty northwest winds over the northern outer waters through Thursday with lighter winds elsewhere. A mix of short period northwesterly and long period southwesterly waves will maintain a mixed sea state through the week.

MTR WATCHES/WARNINGS/ADVISORIES. Tngt. SCA . Pt Arena to Pt Reyes 0-10 nm until 9 PM SCA . Pigeon Pt to Pt Pinos 0-10 nm until 9 PM SCA . Pt Arena to Pigeon Pt 10-60 nm SCA . Pt Pinos to Pt Piedras Blancas 0-10 nm until 3 AM



PUBLIC FORECAST: Dykema AVIATION: W Pi MARINE: W Pi

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
RTYC1 - 9414523 - Redwood City, CA 3 mi47 min NNW 8 G 8.9 63°F 73°F1016 hPa
AAMC1 - 9414750 - Alameda, CA 22 mi47 min W 7 G 8.9 60°F 68°F1015.8 hPa
LNDC1 23 mi47 min NNE 2.9 G 5.1 61°F 1015.6 hPa
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 24 mi53 min W 6 G 8
OKXC1 - 9414776 - Oakland (Berth 34), CA 25 mi47 min WNW 5.1 G 7 59°F 1015.7 hPa
OBXC1 25 mi47 min 59°F 56°F
PXOC1 - 9414311 - San Francisco (Pier 1), CA 25 mi47 min SSE 1.9 G 4.1 58°F 1014.7 hPa
PXSC1 26 mi47 min 59°F 56°F
FTPC1 - 9414290 - San Francisco, CA 28 mi47 min 61°F
PPXC1 - 9414847 - Richmond (Point Potrero), CA 32 mi47 min SSW 7 G 8.9 60°F 1015.8 hPa
TIBC1 - Tiburon Pier, San Francisco Bay, CA 32 mi37 min Calm 60°F 1015 hPa (+1.0)
46237 - San Francisco Bar, CA (142) 33 mi65 min 58°F4 ft
RCMC1 - 9414863 - Richmond, CA 34 mi47 min S 4.1 G 6 61°F 64°F1015.2 hPa
46012 - HALF MOON BAY - 24NM South Southwest of San Francisco, CA 38 mi25 min NNW 14 G 18 56°F 55°F1016.6 hPa53°F
UPBC1 39 mi47 min WNW 8 G 9.9
MZXC1 - 9415102 - Martinez-Amorco CA 39 mi47 min W 8 G 8.9 69°F 69°F1014.9 hPa
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 40 mi25 min NW 14 G 18 55°F 55°F1016.1 hPa53°F
PCOC1 - 9415144 - Port Chicago, CA 41 mi53 min SW 6 G 7 67°F 71°F1014.4 hPa
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 41 mi47 min WSW 5.1 G 7 68°F 1014.7 hPa
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 42 mi53 min WNW 8 G 13 71°F 1014.3 hPa
46042 - MONTEREY - 27NM West of Monterey Bay, CA 49 mi25 min NW 18 G 21 56°F 58°F1015.9 hPa54°F

Wind History for Redwood City, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
San Carlos Airport, CA6 mi40 minNNW 610.00 miFair64°F50°F60%1015.9 hPa
Hayward, Hayward Air Terminal, CA14 mi41 minWNW 510.00 miFair62°F52°F70%1016.3 hPa
San Francisco, San Francisco International Airport, CA14 mi39 minWNW 1310.00 miPartly Cloudy58°F52°F81%1015.5 hPa
San Jose, San Jose International Airport, CA15 mi42 minNW 810.00 miA Few Clouds65°F53°F66%1015.2 hPa
Oakland, Metro Oakland International Airport, CA16 mi42 minWNW 910.00 miPartly Cloudy61°F54°F78%1015.6 hPa
Half Moon Bay Airport, CA17 mi40 minN 55.00 miFog/Mist55°F53°F94%1016.6 hPa
San Jose / Reid / Hillv, CA21 mi40 minNW 510.00 miPartly Cloudy64°F53°F68%1015.6 hPa

Link to 5 minute data for KPAO

Wind History from PAO (wind in knots)
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Last 24hrN14----------------------------3N45N8N11N11N12N14N16
1 day ago--------------------------------W3N7N6N5N8N10N11--
2 days ago--------------------------------SE7SE9SE7SE10Calm5S9S9

Tide / Current Tables for Redwood City, Wharf 5, California (3)
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Redwood City
Click for Map
Tue -- 03:50 AM PDT     Moonset
Tue -- 05:01 AM PDT     0.33 feet Low Tide
Tue -- 05:48 AM PDT     Sunrise
Tue -- 10:52 AM PDT     6.56 feet High Tide
Tue -- 04:38 PM PDT     1.24 feet Low Tide
Tue -- 05:06 PM PDT     Moonrise
Tue -- 08:25 PM PDT     Sunset
Tue -- 10:46 PM PDT     8.54 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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6.95.23.41.80.70.30.823.65.16.26.66.153.62.21.41.32.13.65.378.28.5

Tide / Current Tables for Dumbarton Bridge, San Francisco Bay, California Current
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Dumbarton Bridge
Click for Map
Tue -- 02:07 AM PDT     -1.50 knots Max Ebb
Tue -- 03:49 AM PDT     Moonset
Tue -- 05:28 AM PDT     0.00 knots Slack
Tue -- 05:48 AM PDT     Sunrise
Tue -- 08:38 AM PDT     1.70 knots Max Flood
Tue -- 12:13 PM PDT     -0.00 knots Slack
Tue -- 02:31 PM PDT     -1.01 knots Max Ebb
Tue -- 05:06 PM PDT     Moonrise
Tue -- 05:21 PM PDT     0.00 knots Slack
Tue -- 08:25 PM PDT     Sunset
Tue -- 08:36 PM PDT     1.74 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.6-1.2-1.5-1.4-1-0.40.41.21.61.71.40.90.2-0.6-1-1-0.7-0.20.51.21.71.71.40.8

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 (1,6,7,8)
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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.