Thursday, February22, 2018 L-36.com


Marine Weather and Tides
Lockwood, CA

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 6:41AMSunset 5:55PM Thursday February 22, 2018 6:17 PM PST (02:17 UTC) Moonrise 10:58AMMoonset 12:00AM Illumination 53% Phase: First Quarter Moon; Moon at 8 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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PZZ565 Point Pinos To Point Piedras Blancas To 10 Nm- 225 Pm Pst Thu Feb 22 2018
.small craft advisory in effect through Friday evening...
Tonight..NW winds 20 to 30 kt. Wind waves 6 to 8 ft. W swell 4 to 5 ft at 18 seconds. Chance of showers and slight chance of Thunderstorms in the evening, then slight chance of showers after midnight.
Fri..NW winds 15 to 25 kt. Wind waves 4 to 6 ft. W swell 3 to 4 ft at 17 seconds.
Fri night..N winds 15 to 25 kt...becoming 10 to 20 kt after midnight. Wind waves 4 to 6 ft. NW swell 4 to 5 ft at 16 seconds.
Sat..NW winds 20 to 30 kt. Wind waves 5 to 7 ft. W swell 4 to 5 ft at 15 seconds.
Sat night..NW winds 20 to 30 kt. Wind waves 5 to 7 ft. W swell 3 to 5 ft at 15 seconds.
Sun..NW winds 20 to 30 kt. Wind waves 5 to 7 ft. NW swell 3 to 5 ft.
Mon..NW winds 15 to 25 kt. Wind waves 3 to 5 ft. NW swell 4 to 6 ft. Chance of showers.
Tue..NW winds 15 to 25 kt. Wind waves 3 to 5 ft. NW swell 5 to 7 ft. Slight chance of showers.
PZZ500 225 Pm Pst Thu Feb 22 2018
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Blustery northerly winds across the coastal waters this afternoon and tonight with gale force gusts possible over the outer waters. Strong winds will generate steep wind waves creating hazardous seas. Winds will begin to decrease tomorrow, but remain high enough for small craft advisories. Scattered showers will continue to stream over the waters this afternoon. Another upper-level disturbance will move then into the region early next week.

7 Day Forecast for Marine Location Near Lockwood, CA
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location: 35.92, -121.73     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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Fxus66 kmtr 230016
afdmtr
area forecast discussion
national weather service san francisco bay area
416 pm pst Thu feb 22 2018

Synopsis A weak weather system will impact the area today
bringing widely scattered showers, a slight chance of
thunderstorms in the afternoon, and lowering snow levels. This
system will also bring gusty winds and colder temperatures by
Friday morning. Dry weather and slightly warmer temperatures are
expected for the weekend. Cooler, unsettled weather to return
early next week.

Discussion As of 02:00 pm pst Thursday... Unsettled weather
continues today as a 535dm 500mb upper low centered over
northeastern oregon continues to slide southward toward california
early this afternoon. Northwest winds increased as the base of the
trough approaching the area, tightening the onshore gradient.

Sustained winds of 20 to 30 mph with gusts generally 35 to around 45
mph have been reported so far across many areas, but particularly
along the coast and over the higher terrain. The strongest wind
speed thus so far was 43 mph, which was reported at several
locations: whale point, mt diablo, altamont pass, point reyes,
and point arena. The colder air in the base of this trough has now
entered into proximity of the san francisco bay and monterey bay
areas, and as a result, scattered to numerous convective showers
are being detected by kmux kgo and kpix radars. Most of these
showers have been light so far, with only very minors
accumulations of a few to several hundredths of an inch reported.

As even colder air advects into our region, look for snow levels
to gradually drop from 3000 feet down to 2000 feet, with light
dustings of snow down to these elevations. Additionally, look for
these rain and snow showers to strengthen and become more
widespread through the remainder afternoon and into the early
evening. Small hail and a few isolated thunderstorms are even
possible as these storm cells continue to strengthen through the
remainder of the day. Overall, the forecast is panning out about
as expected as our forecast area remains on the drier windier
backside of this storm system.

By tonight, much colder air will advect in with the core of the
upper low, resulting in another round of near to subfreezing
temperatures for the area tonight tomorrow morning. These
temperatures will not be quite as cold as Monday night Tuesday
morning, but widespread upper 20s to upper 30s are forecast. As a
result, take any necessary precautions to protect any vulnerable
plants, pets, and populations ahead of these cold overnight
temperatures.

Looking ahead, temperatures rebound slightly over the coming days
as a weak shortwave ridge develops over the area late tomorrow
through the upcoming weekend. Forecast models show a pair of more
organized but still relatively dry storm systems moving through
the forecast area through the duration of next week. This means
that this cool, unsettled weather is not going anywhere anytime
soon. Precipitation amounts with the storm systems next week are
likely to exceed those of this week (which won't be difficult
given locations such as downtown san francisco are at 0.00" for
the month), however, these storms presently do not appear to be
fueled by extremely wet subtropical moisture plumes that we
usually associated with our wetter storm systems (generally

50- 66" of tpw -- we usually want to see >1.0" for wetter
events). Stay tuned as we track these upcoming storms.

Aviation As of 4:00 pm pst Thursday... A few showers are moving
through the sfo and mry bay area in association with an upper
level disturbance. There is a very slight chance of an isolated
thunderstorms. CIGS have dropped to near 3000 feet in some of
these showers. Models indicate drying after 00z after the system
moves south of the area. Gusty winds to 35 kt along the coast and
30 kt around the sfo bay area this evening.

Vicinity of ksfo... CIGS around 5-6 thousand ft occasionally
lowering to near 3000 feet through 03z. West winds gusting to near
35 kt through 03z. Winds decreasing slightly after 03z but there
will still be gusts to 30 kt through 09z.

Sfo bridge approach... Similar to ksfo.

Monterey bay terminals...VFR. A few showers will pass through the
area through 03z with CIGS 4-5 thousand feet. Gusty winds to 25-28
kt through 06z. Winds decreasing after 06z.

Marine As of 03:59 pm pst Thursday... Blustery northerly winds
across the coastal waters this afternoon and tonight with gale
force gusts possible over the outer waters. Strong winds will
generate steep wind waves creating hazardous seas. Winds will
begin to decrease tomorrow, but remain high enough for small
craft advisories. Scattered showers will continue to stream over
the waters this afternoon. Another upper-level disturbance will
move then into the region early next week.

Mtr watches warnings advisories
Tngt Sca... Pigeon pt to pt pinos 0-10 nm
sca... Pt pinos to pt piedras blancas 0-10 nm
glw... Pt arena to pigeon pt 10-60 nm
sca... Pigeon pt to pt piedras blancas 10-60 nm until 5 pm
glw... Pigeon pt to pt piedras blancas 10-60 nm from 5 pm
sca... Pt arena to pt reyes 0-10 nm
sca... Pt reyes to pigeon pt 0-10 nm
sca... Mry bay until 3 am
sca... Sf bay until 10 pm
public forecast: drp
aviation: W pi
marine: as
visit us at

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46028 - CAPE SAN MARTIN - 55NM West Northwest of Morro Bay, CA 16 mi88 min NW 18 G 21 52°F 55°F9 ft1023.5 hPa (-1.2)
46239 - Point Sur, CA (157) 35 mi48 min 53°F8 ft
MEYC1 48 mi48 min W 8.9 G 18 47°F 55°F1023.6 hPa

Wind History for Monterey, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Monterey Regional Airport, CA47 mi24 minW 1010.00 miOvercast47°F42°F83%1024.9 hPa

Wind History from MRY (wind in knots)
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Last 24hrW6S4SW3CalmSE6SE5SW5SW5SE4CalmS5CalmCalmS3CalmW9W10
G18
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W9W11SW11W6
1 day agoSW6SW5W5W7S3CalmSE6SE5SE3E5E7E7E6E5E7E64NW7W8W7NW5W9W9NW6
2 days agoW17
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W11NW9NW9E6E5E7E6E4E5E8E5E5E6CalmNW5W5NW7W9SW9W12W9W9

Tide / Current Tables for San Simeon, California
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San Simeon
Click for Map
Thu -- 02:22 AM PST     4.83 feet High Tide
Thu -- 06:43 AM PST     Sunrise
Thu -- 09:35 AM PST     1.02 feet Low Tide
Thu -- 10:55 AM PST     Moonrise
Thu -- 03:43 PM PST     3.05 feet High Tide
Thu -- 05:53 PM PST     Sunset
Thu -- 08:30 PM PST     2.06 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.94.54.84.84.43.72.92.11.41.111.31.82.32.7332.92.62.32.12.12.32.8

Tide / Current Tables for Carmel Cove, Carmel Bay, California
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Carmel Cove
Click for Map
Thu -- 02:41 AM PST     4.83 feet High Tide
Thu -- 06:47 AM PST     Sunrise
Thu -- 09:52 AM PST     0.97 feet Low Tide
Thu -- 10:57 AM PST     Moonrise
Thu -- 04:01 PM PST     3.09 feet High Tide
Thu -- 05:55 PM PST     Sunset
Thu -- 08:48 PM PST     2.08 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.74.34.74.84.53.93.12.31.51.111.21.62.12.633.132.72.42.22.12.32.7

Weather Map and Satellite Images
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Weather Map
wmap_P
IR Satellite Image from GEOS
west_satellite

GOES Local Image of CentralWestCoast    EDIT
Geos

Wind Forecast for San Francisco/Monterey Bay Area, CA (21,6,7,8)
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Ground Weather Radar Station San Francisco Bay Area, CA
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weather_mapweather_map weather_map

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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.