Saturday, February24, 2018 L-36.com


Marine Weather and Tides
Del Monte Forest, 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 5:59PM Saturday February 24, 2018 7:37 AM PST (15:37 UTC) Moonrise 12:34PMMoonset 2:08AM Illumination 69% Phase: Waxing Gibbous; Moon at 9 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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PZZ535 Monterey Bay- 232 Am Pst Sat Feb 24 2018
.small craft advisory in effect from this afternoon through this evening...
Today..E winds 5 kt...becoming W 15 to 25 kt in the afternoon. Wind waves 2 ft or less...becoming 3 to 4 ft in the afternoon. W swell 3 to 5 ft at 15 seconds.
Tonight..NW winds 15 to 25 kt...decreasing to 5 to 15 kt overnight. Wind waves 3 to 5 ft. W swell 3 to 5 ft at 15 seconds.
Sun..E winds 5 kt...becoming W 15 to 25 kt in the afternoon. Wind waves 2 ft or less...becoming 3 to 5 ft in the afternoon. W swell 3 to 5 ft at 15 seconds.
Sun night..NW winds 15 to 25 kt. Wind waves 3 to 5 ft. W swell 3 ft at 14 seconds.
Mon..NW winds 15 to 25 kt. Wind waves 3 to 5 ft. W swell 3 to 4 ft at 14 seconds. Chance of showers in the morning, then showers likely in the afternoon. Slight chance of showers.
Tue..NW winds 5 to 15 kt. Wind waves 1 to 3 ft...becoming 2 ft or less. W swell 3 to 4 ft.
Wed..SW winds 10 kt. Wind waves 2 ft or less. NW swell 3 ft. Slight chance of showers.
PZZ500 232 Am Pst Sat Feb 24 2018
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... High pressure over the eastern pacific will allow for continued breezy conditions over the coastal waters on Saturday. Early next week, and approaching system will bring a renewed chance of strong winds, fresh swell, and showers.

7 Day Forecast for Marine Location Near Monterey city, CA
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location: 36.59, -121.89     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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Fxus66 kmtr 241154
afdmtr
area forecast discussion
national weather service san francisco bay area
354 am pst Sat feb 24 2018

Synopsis Mostly sunny skies will prevail around the area
today with another chilly night forecast for tonight. Dry weather
and slightly warmer temperatures are expected through the
weekend. Cooler and unsettled weather is expected to return by
early next week with another system bringing rain to the area
later next week.

Discussion As of 3:08 am pst Saturday... Under clear skies
current temperature readings across the region indicate many
locations in the upper 20s to mid 30s across inland areas. Current
temps are running as many as 8 degrees cooler than they were 24
hours ago. Dew point temps are also running much cooler and are
currently in the 20s across the district. A freeze warning remains
in effect for san benito and the interior of monterey counties
until 9 am for temperatures dropping into the 20s. Interior
locations of the sfo bay area will also be cold enough for patchy
frost.

Dry weather will continue through Sunday as another system drops
into the great basin. Rain will stay east of the district but
there may be some cumulus clouds during the day Saturday, mainly
over the eastern hills. The coldest air will shift further to the
east so overnight lows for Sunday morning are expected to be
about 3-5 degrees warmer.

The next chances of rain for the district are from late Sunday
night into Monday as another storm system drops south along the
west coast. Rainfall amounts are expected to range from one- tenth
of an inch in the valleys to a quarter to a half inch in the
higher terrain. Snow levels will initially be around 3000 feet
then lower to 2500 feet during the day Monday so there could be
some snow on the highest peaks.

Medium range models show potentially wetter weather affecting the
area later in the week with rain beginning Wednesday night and
spreading south through the district on Thursday. Showers to
remain over the area into next weekend as we remain under an
unstable trough pattern.

Aviation As of 3:54 am pst Saturday for 12z Saturday tafs.VFR
conditions are expected through early mid morning, but increasing
moisture around 2,000-5,000 ft agl through the day will make the
forecast challenging. Terminals will generally see the skies go
from skc to sct, and possibly bkn. Additionally, breezy west to
northwest winds are forecast to develop in the afternoon. Local
in-house WRF model suggests winds between 10-20 kt for the typical
wind-prone terminals.

Vicinity of ksfo...VFR this early morning with increasing clouds
between 2,000 and 5,000 ft around mid late morning. There remains
uncertainty with the coverage of the clouds and can't rule out the
possibility of a period with MVFR ceilings. Will continue to
monitor and amend as necessary. Light winds in the morning will
become west to northwest around 15 to 20 kt in the afternoon with
higher gusts possible.

Sfo bridge approach... Similar to ksfo.

Monterey bay terminals...VFR conditions expected through mid-
morning, thenVFR MVFR for the afternoon as increasing clouds
arrive. Generally light offshore winds in the morning will become
onshore in the afternoon around 10-20 kt.

Climate
Here are the record low temperatures and the years they occurred for
Saturday, february 24.

Location Saturday
sf bay area
healdsburg 29 in 1944
santa rosa 28 in 1920
calistoga 29 in 1982
kentfield 29 in 1955
san rafael 34 in 2017
napa 30 in 1919
san francisco 40 in 1891
sfo airport 35 in 1955
half moon bay 33 in 2017
oakland airport 36 in 2015
richmond 36 in 1955
livermore 29 in 1987
moffett field 34 in 2017
san jose 26 in 1897
gilroy 28 in 1960
monterey bay area
santa cruz 29 in 1925
salinas 31 in 1982
salinas airport 30 in 1953
monterey 37 in 1955
king city 24 in 1982

Marine As of 02:02 am pst Saturday... Gusty north to northwest
winds will continue across the coastal waters through the weekend
as high pressure sits over the eastern pacific. On Monday an upper
level low pressure system will move south bringing a cold front
over the waters resulting in increasing winds, fresh swell, and
scattered showers.

Mtr watches warnings advisories
Tday Freeze warning... Caz516-518
sca... Pigeon pt to pt pinos 0-10 nm from 10 am
sca... Pt reyes to pigeon pt 0-10 nm
sca... Pt arena to pigeon pt 10-60 nm
sca... Pt pinos to pt piedras blancas 0-10 nm from 9 am
sca... Pigeon pt to pt piedras blancas 10-60 nm
sca... Pt arena to pt reyes 0-10 nm
sca... Mry bay from 3 pm
public forecast: sims
aviation: rowe
marine: rowe
visit us at

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MEYC1 1 mi61 min SE 1.9 G 2.9 37°F 54°F1030.4 hPa
46240 - Cabrillo Point, Monterey Bay, CA (158) 3 mi46 min 53°F3 ft
ELXC1 - Elkhorn Slough Reserve, CA 18 mi112 min ESE 1 33°F 1030 hPa29°F
46239 - Point Sur, CA (157) 21 mi67 min 53°F8 ft
46114 - West Monterey Bay, CA 26 mi67 min 53°F8 ft
46042 - MONTEREY - 27NM West of Monterey Bay, CA 30 mi47 min N 3.9 G 5.8 48°F 53°F8 ft1030.1 hPa (+0.8)

Wind History for Monterey, CA
(wind in knots)    EDIT      (on/off)   Help
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G26
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E3
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G16
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G16
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G8
SE4

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Monterey Regional Airport, CA35 mi43 minN 010.00 miFair35°F21°F57%1031.7 hPa

Wind History from MRY (wind in knots)
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Last 24hrE4E4N4NW7W8W7W8W9W12W12W9CalmSE33S3E3E6E7E7E6E7E5E6Calm
1 day agoCalmW9W10
G18
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G25
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W9W11SW11W6W10W8W18
G27
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E4E4
2 days agoE7E64NW7W8W7NW5W9W9NW6W6S4SW3CalmSE6SE5SW5SW5SE4CalmS5CalmCalmS3

Tide / Current Tables for Monterey, Monterey Harbor, California
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Monterey
Click for Map
Sat -- 02:05 AM PST     Moonset
Sat -- 04:41 AM PST     5.44 feet High Tide
Sat -- 06:44 AM PST     Sunrise
Sat -- 12:20 PM PST     0.05 feet Low Tide
Sat -- 12:32 PM PST     Moonrise
Sat -- 05:57 PM PST     Sunset
Sat -- 07:06 PM PST     3.49 feet High Tide
Sat -- 11:20 PM PST     2.58 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
33.64.34.95.35.45.14.43.32.21.20.40.10.10.61.32.12.83.33.53.43.12.82.6

Tide / Current Tables for Point Pinos, California Current
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Point Pinos
Click for Map
Sat -- 12:49 AM PST     0.00 knots Slack
Sat -- 02:05 AM PST     Moonset
Sat -- 03:47 AM PST     0.45 knots Max Flood
Sat -- 06:40 AM PST     -0.00 knots Slack
Sat -- 06:44 AM PST     Sunrise
Sat -- 09:59 AM PST     -0.84 knots Max Ebb
Sat -- 12:32 PM PST     Moonrise
Sat -- 02:08 PM PST     0.00 knots Slack
Sat -- 05:11 PM PST     0.63 knots Max Flood
Sat -- 05:57 PM PST     Sunset
Sat -- 08:31 PM PST     -0.00 knots Slack
Sat -- 10:40 PM PST     -0.41 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.100.20.40.50.40.2-0.1-0.4-0.7-0.8-0.8-0.6-0.3-00.30.50.60.60.40.2-0.2-0.4-0.4

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 (10,2,3,4)
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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.