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Marine Weather and Tides
Ladera, 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 5:51AMSunset 8:34PM Saturday July 4, 2020 9:58 PM PDT (04:58 UTC) Moonrise 7:32PMMoonset 4:16AM Illumination 100% Phase: Full Moon; Moon at 14 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- 833 Pm Pdt Sat Jul 4 2020
.small craft advisory in effect until 9 pm pdt this evening...
.small craft advisory in effect from Sunday morning through Sunday evening...
.small craft advisory in effect from Monday morning through Monday evening...
Tonight..SW winds 5 to 15 kt with gusts up to 25 kt.
Sun..SW winds 5 to 15 kt.
Sun night..SW winds 10 to 20 kt with gusts up to 25 kt.
Mon..SW winds 10 to 20 kt with gusts up to 25 kt.
Mon night..SW winds 5 to 15 kt with gusts up to 25 kt.
Tue..SW winds 5 to 15 kt with gusts up to 25 kt.
Tue night..SW winds 5 to 15 kt.
Wed..SW winds 10 to 20 kt with gusts up to 25 kt.
Thu..W winds 10 to 20 kt with gusts up to 25 kt.
PZZ500 833 Pm Pdt Sat Jul 4 2020
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Gusty northwest winds continuing over the coastal waters and gusty west winds each afternoon and evening over the bays into early next week. Strong northwest winds will generate steep fresh swell resulting in hazardous seas conditions, particularly for smaller vessels. The long-period southerly swell prevails through the weekend as well causing occasional breaking waves over nearshore shoals and strong currents along the coast, especially near points and headlands.


7 Day Forecast for Marine Location Near Ladera, CA
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location: 37.4, -122.21     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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FXUS66 KMTR 050351 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 851 PM PDT Sat Jul 4 2020

SYNOPSIS. High pressure will remain over the region through the remainder of the weekend resulting in continued very warm and dry conditions inland. Temperatures are forecast to cool on Monday as onshore flow increases and the marine layer likely returns. Seasonable temperatures are forecast for most of next week, with warming likely late in the week and into next weekend.

DISCUSSION. as of 8:50 PM PDT Saturday . Robust warming occurred across most of our region today as drier air aloft mixed to the surface, producing sunny skies all the way to the ocean. Inland high temperatures today were anywhere from 8 to 18 degrees warmer than Friday's highs. Light onshore flow limited coastal warming to about 7 degrees or less.

Skies remain clear across our entire forecast area this evening. Although the Fort Ord Profiler indicates a marine inversion persists at slightly less than 1000 feet off the surface, the air in the marine layer is too dry to support fog/cloud formation. Based on latest local WRF, boundary layer RH may increase enough overnight for patchy coastal fog and low clouds, but most areas are expected to remain clear.

A broad upper ridge that extends from the Midwest WSW to southern California is forecast to hold firm through the remainder of the weekend, and produce another day of very warm and dry conditions across our inland areas. Models indicate a slight increase in onshore flow by Sunday afternoon and this will likely result in a few degrees of cooling, especially near the ocean and bays and in the coastal valleys. But inland valleys and hills will likely be about as warm tomorrow as today.

A shortwave trough, currently located off the coast of British Columbia, is forecast to dig south to near the northern California coast by Monday. This will result in cooler temperatures for most areas on Monday as onshore flow increases and as moisture increases in a deepening marine layer. Inland areas are forecast to cool the most on Monday, by about 10 degrees. Temperatures are then forecast to hold near seasonal averages, or slightly below, on Tuesday and Wednesday as a weak trough lingers over northern California.

Warming is likely late next week and into the following weekend as an upper ridge strengthens over the Desert Southwest and expands westward over California. At least this would be the outcome if the ECMWF verifies. The GFS is less bullish building the upper ridge and therefore indicates only slight warming late in the extended.

AVIATION. As of 6:50 PM PDT Saturday . For 00Z TAFs. It's VFR at all terminals. VFR is forecast at the terminals with exception of patchy fog and stratus /LIFR-IFR/ redeveloping on the immediate coastline tonight and Sunday morning. Recent guidance continues to trend toward stronger onshore wind gusts Sunday and Monday afternoon and evening. Any Sunday morning fog and/or stratus patches should mix out for VFR in the afternoon.

Vicinity of KSFO . VFR. West wind 20 gusting to 25 to 30 knots until mid evening, decreasing by late evening. Possibly stronger west wind developing Sunday afternoon and evening with gusts nearing 35 knots.

SFO Bridge Approach . Similar to KSFO.

Monterey Bay Terminals . VFR, breezy onshore winds decreasing by mid evening. Patchy fog and stratus /LIFR-IFR/ returning tonight and Sunday morning. Sunday afternoon and early evening west winds 10 to 15 knots.

MARINE. as of 08:33 AM PDT Saturday . Gusty northwest winds continuing over the coastal waters and gusty west winds each afternoon and evening over the bays into early next week. Strong northwest winds will generate steep fresh swell resulting in hazardous seas conditions, particularly for smaller vessels. The long-period southerly swell prevails through the weekend as well causing occasional breaking waves over nearshore shoals and strong currents along the coast, especially near points and headlands.

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



PUBLIC FORECAST: Dykema AVIATION: Canepa MARINE: Canepa

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
RTYC1 - 9414523 - Redwood City, CA 7 mi59 min N 5.1 G 7 67°F 76°F1016.1 hPa (+0.5)
AAMC1 - 9414750 - Alameda, CA 26 mi59 min W 8 G 8.9 65°F 70°F1015.7 hPa (+0.3)
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 28 mi59 min WSW 8.9 G 9.9
LNDC1 28 mi59 min W 5.1 G 6 66°F 1015.4 hPa (+0.0)
PXOC1 - 9414311 - San Francisco (Pier 1), CA 29 mi59 min SE 1.9 G 4.1 64°F 1014.5 hPa (+0.0)
OBXC1 29 mi59 min 64°F 55°F
OKXC1 - 9414776 - Oakland (Berth 34), CA 29 mi59 min NW 6 G 7 64°F 1015.5 hPa (+0.0)
PXSC1 30 mi59 min 64°F 53°F
FTPC1 - 9414290 - San Francisco, CA 31 mi59 min WSW 13 G 19 60°F 63°F1015.4 hPa (+0.0)
46237 - San Francisco Bar, CA (142) 35 mi59 min 58°F7 ft
46012 - HALF MOON BAY - 24NM South Southwest of San Francisco, CA 36 mi39 min NNW 18 G 23 57°F 1017 hPa52°F
TIBC1 - Tiburon Pier, San Francisco Bay, CA 36 mi61 min Calm 66°F 1015 hPa
PPXC1 - 9414847 - Richmond (Point Potrero), CA 36 mi59 min S 12 G 14 64°F 1015.7 hPa (+0.0)
RCMC1 - 9414863 - Richmond, CA 38 mi59 min S 6 G 8.9 66°F 66°F1014.9 hPa (+0.0)
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 41 mi39 min NW 18 G 23 56°F 54°F1016.3 hPa52°F
MZXC1 - 9415102 - Martinez-Amorco CA 44 mi59 min WNW 9.9 G 12 75°F 70°F1014.1 hPa (+0.0)
UPBC1 44 mi59 min WNW 15 G 17
46042 - MONTEREY - 27NM West of Monterey Bay, CA 44 mi39 min NW 19 G 25 57°F 56°F1016.3 hPa53°F
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 45 mi59 min WSW 9.9 G 13 73°F 1014.3 hPa (+0.0)
PCOC1 - 9415144 - Port Chicago, CA 46 mi59 min WSW 9.9 G 11 75°F 71°F1013.7 hPa (+0.0)
46092 - MBM1 46 mi80 min NW 16 59°F 57°F1014.8 hPa (+0.0)
MLSC1 - Moss Landing, South Harbor, CA 47 mi49 min SE 6 G 17 59°F 1015.4 hPa54°F
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 47 mi59 min WNW 8 G 11 78°F 1013.5 hPa (+0.0)
ELXC1 - Elkhorn Slough Reserve, CA 48 mi74 min S 5.1 60°F 55°F
46114 - West Monterey Bay, CA 49 mi63 min 56°F8 ft

Wind History for Redwood City, CA
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
San Carlos Airport, CA9 mi2 hrsWNW 910.00 miClear75°F39°F27%1015.6 hPa
San Jose, San Jose International Airport, CA15 mi66 minNW 810.00 miA Few Clouds72°F46°F41%1015.3 hPa
San Francisco, San Francisco International Airport, CA17 mi63 minWNW 1510.00 miFair62°F46°F58%1015.2 hPa
Half Moon Bay Airport, CA17 mi64 minN 05.00 miFair with Haze57°F50°F77%1017.3 hPa
Hayward, Hayward Air Terminal, CA19 mi65 minW 510.00 miFair68°F53°F59%1016.2 hPa
Oakland, Metro Oakland International Airport, CA21 mi66 minW 1410.00 miFair67°F52°F59%1015.6 hPa
San Jose / Reid / Hillv, CA21 mi72 minNW 710.00 miClear75°F42°F31%1015.6 hPa

Link to 5 minute data for KPAO

Wind History from PAO (wind in knots)
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Last 24hr----------------------------CalmN4NW4--N7N9N10----N12
1 day ago----------------------------55--N5N6NW11NW12N12--NW15
2 days ago----------------------------5--4N6N8N8N10N11N12--

Tide / Current Tables for Redwood City, Wharf 5, San Francisco Bay, California (sub)
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


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
Sun -- 01:00 AM PDT     -0.00 knots Slack
Sun -- 05:50 AM PDT     -1.67 knots Max Ebb
Sun -- 05:53 AM PDT     Sunrise
Sun -- 06:12 AM PDT     Moonset
Sun -- 08:37 AM PDT     0.01 knots Slack
Sun -- 11:29 AM PDT     1.75 knots Max Flood
Sun -- 02:50 PM PDT     -0.01 knots Slack
Sun -- 06:31 PM PDT     -0.71 knots Max Ebb
Sun -- 08:25 PM PDT     0.00 knots Slack
Sun -- 08:32 PM PDT     Sunset
Sun -- 09:24 PM PDT     Moonrise
Sun -- 10:57 PM PDT     1.18 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.70-0.5-1-1.4-1.6-1.7-1.3-0.60.41.31.71.71.40.7-0.1-0.4-0.6-0.7-0.7-0.30.411.2

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 (0,6,7,8)
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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.