Wednesday, June26, 2019 L-36.com


Marine Weather and Tides
Pescadero, CA

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6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 5:47AMSunset 8:33PM Tuesday June 25, 2019 9:13 PM PDT (04:13 UTC) Moonrise 12:27AMMoonset 12:31PM Illumination 38% Phase: Third Quarter Moon; Moon at 23 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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PZZ560 Coastal Waters From Pigeon Point To Point Pinos California Out To 10 Nm- 844 Pm Pdt Tue Jun 25 2019
.small craft advisory in effect until 10 pm pdt this evening...
.small craft advisory in effect from Wednesday morning through Wednesday evening...
Tonight..NW winds 15 to 25 kt with gusts up to 30 kt. Wind waves 5 to 6 ft, decreasing to 3 to 4 ft after midnight. Mixed swell nw 3 to 5 ft at 8 seconds and S around 3 ft at 15 seconds.
Wed..NW winds 15 to 25 kt with gusts up to 30 kt. Wind waves 4 to 5 ft. Mixed swell nw 3 to 4 ft at 9 seconds and S around 3 ft at 15 seconds.
Wed night..NW winds 10 to 20 kt with gusts up to 25 kt. Wind waves 3 to 4 ft. NW swell 2 to 3 ft at 11 seconds.
Thu..NW winds 15 to 25 kt with gusts up to 30 kt. Wind waves 5 to 6 ft. NW swell around 2 ft at 11 seconds.
Thu night..NW winds 15 to 20 kt with gusts up to 25 kt. Wind waves 4 to 5 ft. NW swell 3 to 5 ft at 10 seconds.
Fri..NW winds 15 to 25 kt with gusts up to 30 kt. Wind waves 4 to 5 ft. NW swell 3 to 5 ft at 10 seconds.
Fri night..NW winds 15 to 25 kt with gusts up to 30 kt. Wind waves 4 to 5 ft. NW swell around 4 ft at 8 seconds.
Sat..NW winds 15 to 20 kt with gusts up to 25 kt. Wind waves 3 to 4 ft. NW swell 3 to 4 ft.
Sun..NW winds 15 to 20 kt with gusts up to 25 kt. Wind waves 3 to 4 ft. NW swell around 4 ft.
PZZ500 844 Pm Pdt Tue Jun 25 2019
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... High pressure off the california coast will shift south tonight and Wednesday as a low pressure system moves into the pacific northwest waters. As a result winds will decrease over the northern waters and increase over the southern waters Wednesday and Thursday. The high will rebuild northward on Friday and the strongest winds will be in the northern waters.


7 Day Forecast for Marine Location Near Pescadero, CA
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location: 37.18, -122.39     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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Fxus66 kmtr 252340
afdmtr
area forecast discussion
national weather service san francisco bay area
440 pm pdt Tue jun 25 2019

Synopsis Generally quiet weather is expected for the bay area
over the next several days. Mostly sunny conditions prevail today
as low-level clouds continue to travel southward allowing skies to
clear along the coast, but the stratus can be expected to return
overnight for southern counties. Temperatures continue a cooling
trend today through Thursday. Warmer temperatures can be expected
at the end of the work week and through the weekend; however, they
are still expected to be cooler than seasonal averages.

Discussion As of 1:43 pm pdt Tuesday... An upper level trough
is currently over the north pacific ocean and traveling east
towards the pacific northwest. This passing of the trough to our
north is what is driving the consistent onshore winds as well as
the recent cooling trend. As the trough axis approaches Wednesday,
temperatures in inland areas, particularly interior the north and
east bays could see temperatures drop by as much as 10 degrees.

High temperatures are expected to continue to decrease on Thursday
as well, but not nearly as dramatically.

Breezy northerly winds off the coast have helped mix the marine
layer and leave mostly sunny skies across the area, with a few high
level cirrus clouds moving east. The marine layer is expected to
return overnight; however, it looks as be limited to confine itself
mostly to south of the santa cruz mountains.

Late in the week and into Friday, the upper level trough tries to
lift towards british columbia allowing for high pressure to build
back into the region along with warmer temperatures. The magnitude
of this warming is still uncertain due to model disagreement. The
gfs has the trough lifting out quicker which could mean a much
warmer trend for the bay area; however, the euro shows the upper low
become more stationary and lingers in the pacific northwest, which
could provide cooler conditions.

Aviation As of 4:40 pm pdt Tuesday... Low clouds have cleared
away from the coast this afternoon. Onshore flow is northwesterly
with a fairly robust north-south component. This is evident by a 4
pm METAR report of north winds gusting to 25 kt at sts. This
should be enough to keep stratus out of the sfo bay area tonight.

Stratus should be confined to the coast where ifr CIGS area
expected at mry and sns after 04z.

Vicinity of ksfo... RemainingVFR. W to NW winds increasing 15-18
kt with gusts to 25 kt decreasing after 04z.

Sfo bridge approach... Similar to ksfo.

Monterey bay terminals... Ifr after 04z possibly later.

Marine As of 04:28 pm pdt Tuesday... Gusty northwest winds will
gradually diminish over the norther outer waters through tonight.

However, gusty winds will persist along the big sur coast south of
point sur and during the afternoon hours over the coastal gaps and
bays. These winds will generate steep fresh swell resulting in
hazardous conditions over the waters, particularly for smaller
vessels. Expect northwest winds to re-strengthen later this week.

Mtr watches warnings advisories
Tngt Sca... Mry bay until 10 pm
sca... Pigeon pt to pt pinos 0-10 nm until 10 pm
sca... Pt arena to pt reyes 0-10 nm until 4 am
sca... Pt reyes to pigeon pt 0-10 nm until 4 am
sca... Pt arena to pigeon pt 10-60 nm until 4 am
sca... Pt pinos to pt piedras blancas 0-10 nm
sca... Sf bay until 9 pm
public forecast: dk
aviation: W pi
marine: rgass
visit us at

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
RTYC1 - 9414523 - Redwood City, CA 24 mi56 min W 12 G 15 1012.7 hPa
46042 - MONTEREY - 27NM West of Monterey Bay, CA 27 mi84 min NW 18 G 21 59°F 60°F6 ft1012 hPa (-0.0)
46114 - West Monterey Bay, CA 32 mi44 min 59°F6 ft
46092 - MBM1 35 mi51 min W 16 58°F 59°F1012.2 hPa (-0.0)
AAMC1 - 9414750 - Alameda, CA 41 mi62 min W 11 G 14 62°F 69°F1012.1 hPa
MLSC1 - Moss Landing, South Harbor, CA 41 mi90 min SW 8 G 22 60°F 1012.4 hPa56°F
LNDC1 43 mi56 min WSW 9.9 G 12 1011.7 hPa
PXOC1 - 9414311 - San Francisco (Pier 1), CA 43 mi68 min WSW 8.9 G 19 60°F 1010.3 hPa
ELXC1 - Elkhorn Slough Reserve, CA 43 mi89 min SSW 8 60°F 1012 hPa56°F
FTPC1 - 9414290 - San Francisco, CA 43 mi62 min WSW 15 G 22 59°F 59°F1011.6 hPa
PXSC1 43 mi56 min 61°F 54°F
OBXC1 43 mi74 min 62°F 55°F
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 43 mi62 min SW 12 G 14
46237 - San Francisco Bar, CA (142) 44 mi74 min 60°F5 ft
OKXC1 - 9414776 - Oakland (Berth 34), CA 44 mi56 min SW 6 G 8.9 1011.6 hPa
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 46 mi44 min NW 16 G 19 57°F 57°F1012.8 hPa
46240 - Cabrillo Point, Monterey Bay, CA (158) 46 mi44 min 60°F3 ft
MEYC1 48 mi98 min 62°F1012.9 hPa
TIBC1 - Tiburon Pier, San Francisco Bay, CA 49 mi75 min SSW 8.9 65°F 1011 hPa

Wind History for Redwood City, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Half Moon Bay Airport, CA24 mi19 minNW 410.00 miMostly Cloudy55°F53°F94%1013.5 hPa

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Last 24hr------------------CalmCalmCalm--N6N7--NW13N15NW14--W14
G18
W10W10NW10
1 day ago------------------CalmCalm--4N7--N9N9N11N12N14N14N13N13N9
2 days ago------------------Calm4--N5N4NW7N8N10NW15NW15N12NW12NW12N12NW6

Tide / Current Tables for Ano Nuevo Island, California
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Ano Nuevo Island
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Wed -- 12:36 AM PDT     1.83 feet Low Tide
Wed -- 01:53 AM PDT     Moonrise
Wed -- 05:44 AM PDT     2.92 feet High Tide
Wed -- 05:51 AM PDT     Sunrise
Wed -- 11:45 AM PDT     1.35 feet Low Tide
Wed -- 02:28 PM PDT     Moonset
Wed -- 06:22 PM PDT     4.66 feet High Tide
Wed -- 08:33 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.91.922.32.62.92.92.82.52.11.71.41.41.62.22.93.74.34.64.64.23.62.82.1

Tide / Current Tables for Half Moon Bay, California
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Half Moon Bay
Click for Map
Wed -- 12:49 AM PDT     1.93 feet Low Tide
Wed -- 01:54 AM PDT     Moonrise
Wed -- 05:50 AM PDT     Sunrise
Wed -- 06:02 AM PDT     3.32 feet High Tide
Wed -- 11:59 AM PDT     1.45 feet Low Tide
Wed -- 02:29 PM PDT     Moonset
Wed -- 06:40 PM PDT     5.06 feet High Tide
Wed -- 08:35 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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21.92.12.52.93.23.33.22.92.421.61.41.62.22.93.84.5554.74.13.32.5

Weather Map and Satellite Images
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wmap_P
GOES 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.
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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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Disclaimer:
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 numerious 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.