Sunday, February17, 2019 L-36.com


Marine Weather and Tides
Las Lomas, CA

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:51AMSunset 5:50PM Sunday February 17, 2019 8:26 PM PST (04:26 UTC) Moonrise 3:47PMMoonset 5:27AM Illumination 98% Phase: Waxing Gibbous; Moon at 13 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- 604 Pm Pst Sun Feb 17 2019
.small craft advisory in effect until 9 pm pst this evening...
Tonight..N winds 5 to 15 kt. Wind waves 3 to 4 ft this evening...becoming 2 ft or less. NW swell 3 to 6 ft at 12 seconds. A slight chance of showers this evening.
Washingtons birthday..NW winds 10 to 20 kt with gusts up to 25 kt. Wind waves around 3 ft. NW swell 4 to 7 ft at 18 seconds.
Mon night..N winds 10 to 20 kt with gusts up to 25 kt. Wind waves 2 ft or less. NW swell 3 to 6 ft at 17 seconds.
Tue..NW winds 10 to 20 kt with gusts up to 25 kt. Wind waves 2 ft or less. NW swell 3 to 6 ft at 17 seconds.
Tue night..NW winds 5 to 15 kt. Wind waves 2 ft or less. NW swell 2 to 4 ft at 17 seconds.
Wed..NW winds 15 to 25 kt with gusts up to 30 kt. Wind waves 2 ft or less. NW swell 3 to 5 ft.
Wed night..NW winds 10 to 20 kt with gusts up to 25 kt. Wind waves around 3 ft. NW swell 5 to 8 ft. A chance of showers.
Thu..NW winds 10 to 20 kt with gusts up to 25 kt. Wind waves 2 ft or less. NW swell 6 to 8 ft.
Fri..N winds 5 to 10 kt. Wind waves 2 ft or less. NW swell 7 to 8 ft.
PZZ500 604 Pm Pst Sun Feb 17 2019
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Moderate and gusty winds are forecast to prevail over the coastal waters through the evening hours and overnight. The northwest swell that arrived late Friday and Saturday will continue to gradually diminish overnight. A second long period northwest swell train is set to arrive during the week and will bring with it more modest swell heights.


7 Day Forecast for Marine Location Near Las Lomas, CA
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location: 36.86, -121.76     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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Fxus66 kmtr 172329
afdmtr
area forecast discussion
national weather service san francisco bay area
329 pm pst Sun feb 17 2019

Synopsis Scattered showers will continue through this afternoon
mainly south of the san francisco bay area. Clearing skies will
allow for cold minimum temperatures tonight and into the upcoming
week. Dry weather is expected for Monday and Tuesday with a
slight chance of showers returning by the middle of the week.

Temperatures will remain below normal.

Discussion As of 2:00 pm pst Sunday... Upper level low over
nevada is bringing a cold northerly flow to the area. Scattered
showers have developed over the higher terrain from the east bay
hills south. A couple of spotters have reported small hail in the
santa cruz mountains. Precip could still fall as snow above 3000
feet.

These showers will be ending tonight as drier air aloft moves
into the area. As skies clear and winds decrease patchy fog is
possible in the north bay valleys. Lows tonight will be dropping
into the mid to upper 20s in the coldest interior valleys with
mid to upper 30s around the bay. An upper level ridge moving over
the area will bring dry weather Monday and Tuesday. The airmass
will start to moderate but lower humidities will allow for another
cold night Monday night with temperatures similar to Sunday
night. Highs Monday and Tuesday will be in the 50s across the
lowlands which is still about 5 degrees below normal.

The next upper level trough will drop into the pacific northwest
on Wednesday. This system is further inland than the previous
systems that have moved through here so it will have less moisture
to work with. Only a slight chance of showers is forecast with any
rain amounts under one-tenth of an inch. It will bring in a
reinforcement of cold air so snow levels will be very low again.

Thursday and Friday look to be dry as there is good model
agreement. The flow will become more westerly which should put an
end to our cold wave. Medium range models indicate a system from
the west possibly affecting our area late next weekend.

Aviation As of 03:29 pm pst Sunday... For 00z tafs. Scattered
showers to remain in the vicinity until this evening. After that,
dry conditions expected through the rest of the forecast period.

Vfr prevailing with the exception of possible patchy fog in the
morning in the north bay. Sct to bkn CIGS will continue into this
evening between 3500-5000 ft agl. Skies expected to gradually
clear overnight and through tomorrow morning. Gusty onshore winds
continue this afternoon and into the early evening with gusts
generally around 20-25 kt with isolated gusts up to 30 kt. Winds
forecast to subside overnight.

Vicinity of ksfo...VFR prevailing with sct to bkn CIGS 3500-5000
ft into this evening before conditions are expected to gradually
clear through the morning. Showers to diminish this evening.

Breezy westerly winds into the early evening with gusts 20-25 kt
and isolated gusts up to 30 kt. Winds forecast to ease overnight.

Sfo bridge approach... Similar to sfo.

Monterey bay terminals...VFR with scattered showers into this
evening. Sct-bkn cogs 3,500-5,000 ft agl this afternoon and
evening. Onshore winds remain breezy with gusts 20-25 kt. Winds
forecast to ease overnight and turn more SE by the early morning.

Marine As of 02:18 pm pst Sunday... Moderate and gusty winds
are forecast to prevail over the coastal waters through the
evening hours and overnight. The northwest swell that arrived late
Friday and Saturday will continue to gradually diminish
overnight. A second long period northwest swell train is set to
arrive during the week and will bring with it more modest swell
heights.

Mtr watches warnings advisories
Tngt Sca... Pt reyes to pigeon pt 0-10 nm
sca... Pigeon pt to pt pinos 0-10 nm
sca... Pt arena to pt reyes 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 6 pm
sca... Mry bay until 6 pm
public forecast: W pi
aviation: as
marine: rowe
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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ELXC1 - Elkhorn Slough Reserve, CA 3 mi102 min N 8.9 47°F 1017 hPa36°F
MLSC1 - Moss Landing, South Harbor, CA 4 mi36 min NW 6 G 21 49°F 1018.7 hPa37°F
46092 - MBM1 16 mi63 min NW 18 51°F 56°F1017.5 hPa (+1.1)
46240 - Cabrillo Point, Monterey Bay, CA (158) 18 mi57 min 56°F5 ft
MEYC1 19 mi51 min 56°F1018.2 hPa
46114 - West Monterey Bay, CA 33 mi57 min 56°F12 ft
46042 - MONTEREY - 27NM West of Monterey Bay, CA 34 mi37 min NW 21 G 25 51°F 55°F12 ft1017.4 hPa (+0.7)

Wind History for Monterey, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Watsonville, Watsonville Municipal Airport, CA6 mi34 minNNW 410.00 miFair43°F36°F76%1018.1 hPa
Salinas, Salinas Municipal Airport, CA16 mi34 minNW 710.00 miFair48°F35°F61%1018.7 hPa
Monterey Regional Airport, CA19 mi33 minWNW 810.00 miPartly Cloudy47°F36°F66%1019.5 hPa
Hollister, CA, CA19 mi32 minNNE 8 G 1310.00 miPartly Cloudy43°F37°F81%1017.9 hPa

Wind History from WVI (wind in knots)
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Last 24hrSW4N3Calm--N3CalmNW3CalmCalmNW3CalmE3Calm3W12
G18
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W10
G17
N36NW9
G17
W8NW8W3N4
1 day agoCalmN3CalmCalmCalmCalmCalmCalmCalmCalmN4CalmCalmCalmS5SW7W10W12W8W7W8NW4W3W7
2 days agoSW7SW6SW12S11SW7SW5SW6W7------W15
G21
W5W13
G18
W10W9
G19
SW10W8W8SW8W4CalmE3W3

Tide / Current Tables for Elkhorn Slough railroad bridge, California
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Elkhorn Slough railroad bridge
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Sun -- 02:15 AM PST     2.53 feet Low Tide
Sun -- 05:26 AM PST     Moonset
Sun -- 06:53 AM PST     Sunrise
Sun -- 08:28 AM PST     6.21 feet High Tide
Sun -- 03:15 PM PST     -1.02 feet Low Tide
Sun -- 03:46 PM PST     Moonrise
Sun -- 05:49 PM PST     Sunset
Sun -- 10:28 PM PST     4.78 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.52.92.52.73.244.95.76.16.15.44.12.40.7-0.5-1-0.9-0.20.823.24.14.74.7

Tide / Current Tables for Point Pinos, California Current
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Point Pinos
Click for Map
Sun -- 12:59 AM PST     -0.51 knots Max Ebb
Sun -- 04:09 AM PST     0.00 knots Slack
Sun -- 05:26 AM PST     Moonset
Sun -- 06:53 AM PST     Sunrise
Sun -- 07:03 AM PST     0.63 knots Max Flood
Sun -- 09:53 AM PST     -0.00 knots Slack
Sun -- 01:13 PM PST     -1.11 knots Max Ebb
Sun -- 03:47 PM PST     Moonrise
Sun -- 05:08 PM PST     0.00 knots Slack
Sun -- 05:50 PM PST     Sunset
Sun -- 08:11 PM PST     0.88 knots Max Flood
Sun -- 11:30 PM PST     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.4-0.5-0.4-0.3-00.30.50.60.50.3-0-0.5-0.9-1.1-1-0.8-0.5-0.10.40.70.90.80.60.2

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 (23,6,7,8)
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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.