Wednesday, December12, 2018 L-36.com


Marine Weather and Tides
Salinas, 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 7:08AMSunset 4:52PM Tuesday December 11, 2018 11:42 PM PST (07:42 UTC) Moonrise 10:33AMMoonset 8:55PM Illumination 22% Phase: Waxing Crescent; Moon at 5 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- 806 Pm Pst Tue Dec 11 2018
Tonight..NW winds 5 to 15 kt...becoming northeast 5 to 10 kt after midnight. Wind waves 2 ft or less. W swell 3 to 5 ft at 13 seconds.
Wed..NW winds 5 to 15 kt. Wind waves 2 ft or less. W swell 3 to 5 ft at 13 seconds.
Wed night..NE winds 5 to 15 kt. Wind waves 2 ft or less. W swell 3 to 7 ft at 15 seconds.
Thu..N winds 5 to 10 kt. Wind waves 2 ft or less. W swell 4 to 8 ft at 16 seconds.
Thu night..SW winds 5 to 15 kt. Wind waves 2 ft or less. W swell 4 to 8 ft at 16 seconds.
Fri..W winds 5 to 15 kt. Wind waves 2 ft or less. W swell 4 to 7 ft. A chance of rain.
Fri night..SW winds around 5 kt. Wind waves 2 ft or less. W swell 5 to 10 ft. Rain likely.
Sat..SE winds up to 10 kt. Wind waves 2 ft or less. W swell 4 to 9 ft.
Sun..S winds 5 to 15 kt. Wind waves around 3 ft. W swell 7 to 12 ft. Rain likely.
PZZ500 806 Pm Pst Tue Dec 11 2018
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Northerly winds will increase overnight across the waters as a cold front moves through. Winds will diminish tomorrow night and into Thursday before turning southerly into Friday. A building northwest swell will impact the waters late this week result in hazardous conditions. A more significant northwest swell is then forecast to arrive Sunday into Monday.


7 Day Forecast for Marine Location Near Salinas, CA
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location: 36.74, -121.56     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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Fxus66 kmtr 120532
afdmtr
area forecast discussion
national weather service san francisco bay area
932 pm pst Tue dec 11 2018

Synopsis A weak system may bring a few showers to northern sonoma
county tonight. However, for the most part our forecast area is
expected to remain dry and seasonably cool through Thursday.

Another disturbance will bring rain to the region on Friday and
Friday night, especially for areas north of the golden gate. A
potentially wetter system will then bring widespread rain to the
region on Sunday.

Discussion As of 8:55 pm pst Tuesday... Current satellite shows
a weak cold front pushing onshore near CAPE mendocino. The 00z
nam keeps all precipitation with this front north of our forecast
area, but the latest hrrr brings a few showers into the northwest
corner of sonoma county later this evening. So will maintain
slight chance pops in that area tonight, while maintaining a dry
forecast elsewhere. At least patchy fog is expected later tonight
and into Wednesday morning. However, fog is not expected to be as
widespread or dense tonight as last night this morning for a
couple of reasons. First, there isn't as much moisture near the
surface as dewpoints are at least a few degrees lower this evening
compared to last evening. And second, the incoming dissipating
front will bring in enough clouds to decrease fog potential,
especially across the north bay.

The weak system moving inland to our north tonight will quickly
move off to the east, allowing a shortwave ridge to build over
california on Wednesday. This ridge will result in dry weather and
slightly warmer daytime temperatures on Wednesday and Thursday.

However, overnight temperatures will be cool due to mostly clear
skies and long nights as we approach the winter solstice. In
addition, patchy night and morning fog will persist, especially in
the valleys.

Rain chances return by Friday afternoon as a pacific system
reaches northern california. The models have been slowing
precipitation onset with this system and it now appears rain won't
reach the north bay until about midday Friday, with most of our
area expected to remain dry through early afternoon. The models
agree that the frontal boundary will rapidly weaken over our area
late Friday afternoon and evening and produce mostly just light
rain. The models also agree that the remnants of the frontal
boundary will then remain draped across our area into Saturday and
Saturday night, and produce additional scattered light
precipitation as warm advection develops ahead of an approaching
stronger system. The models disagree on rain totals with this
system, with the ECMWF being much wetter compared to both the gfs
and nam. The ECMWF forecasts widespread half inch rainfall amounts
across our area from the north bay down to monterey bay, while
the NAM and GFS forecast a tenth of an inch or less, and mainly
confine measurable rain to the north bay. Given the fact that
there will be little cold advection behind the front, feel the
ecmwf is likely too wet, especially across the southern portion of
our area. Also, there are model differences regarding the
location of the stalled frontal boundary and associated light
precipitation on Saturday and Saturday night, with the NAM and gfs
forecasting the boundary to be across the sf bay area (mainly
north bay) while the ECMWF places the boundary farther south
across monterey bay. Needless to say, forecast confidence is
rather low from Friday through Saturday. However, in any case,
this system is forecast to be weak with only light rain and light
winds, so impacts will be rather minimal.

Models are in better agreement with the following system that is
forecast to bring widespread rainfall to our forecast area from
Sunday afternoon through early Monday. Preliminary rainfall totals
with that system range from 0.5-1.5". Locally gusty winds are also
likely on Sunday, but current model projections indicate winds
will remain below advisory levels.

Longer range models indicate upper level ridging over california
next week, resulting in dry and mild weather conditions from late
Monday through much of the rest of the week.

Aviation As of 09:32 pm pst Tuesday... For 06z tafs. MVFR ifr
cigs beginning to develop over the south san francisco bay and
along much of the coastline. Expecting widespread MVFR ifr
conditions overnight due to low CIGS lasting through around 16z-
19z tomorrow. Patchy fog remains a possibility in the north bay
overnight. Recent guidance has backed off on fog development in
the east bay, but wouldn't rule it out. Should fog develop, not
expecting it to be as extensive or as long lasting as last night.

Generally light winds through the period.

Vicinity of ksfo... MVFR ifr CIGS have developed along the san
mateo coast and are drifting over the terminal. Another patch of
low clouds has developed over the south san francisco bay and is
expanding towards the approach per recent satellite imagery.

Incoming high clouds will obscure the view further for much of
the night. Overall, expecting MVFR ifr CIGS overnight lasting
until 17z-19z tomorrow, although confidence is low on timing.

Sfo bridge approach... Similar to ksfo, may see more cloud
development over the approach.

Monterey bay terminals...VFR with increasing high clouds. Low
clouds have formed over the waters and are making their way
towards the peninsula. Expecting MVFR ifr CIGS prevail tonight and
into tomorrow morning. Low confidence on timing.

Marine As of 8:06 pm pst Tuesday... Northerly winds will
increase overnight across the waters as a cold front moves
through. Winds will diminish tomorrow night and into Thursday
before turning southerly into Friday. A building northwest swell
will impact the waters late this week result in hazardous
conditions. A more significant northwest swell is then forecast to
arrive Sunday into Monday.

Mtr watches warnings advisories
Tngt 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... Pt arena to pt reyes 0-10 nm from 3 am
sca... Pt reyes to pigeon pt 0-10 nm from 3 am
public forecast: dykema
aviation: as
marine: as
visit us at

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ELXC1 - Elkhorn Slough Reserve, CA 11 mi58 min Calm 45°F 1023 hPa41°F
MLSC1 - Moss Landing, South Harbor, CA 13 mi47 min Calm G 1.9 44°F 1023.7 hPa42°F
46240 - Cabrillo Point, Monterey Bay, CA (158) 20 mi43 min 58°F4 ft
MEYC1 20 mi67 min 59°F1023.4 hPa
46092 - MBM1 25 mi99 min NNW 12 56°F 59°F1022.9 hPa (+0.8)
46239 - Point Sur, CA (157) 39 mi43 min 58°F8 ft
46114 - West Monterey Bay, CA 42 mi43 min 59°F8 ft
46042 - MONTEREY - 27NM West of Monterey Bay, CA 45 mi53 min NNW 16 G 19 57°F 58°F9 ft1022.3 hPa (+0.0)

Wind History for Monterey, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Salinas, Salinas Municipal Airport, CA6 mi50 minN 09.00 miFair45°F41°F86%1023.9 hPa
Hollister, CA, CA13 mi48 minSSE 310.00 miFair45°F41°F87%1023.4 hPa
Watsonville, Watsonville Municipal Airport, CA18 mi50 minNW 47.00 miFair45°F39°F83%1023.4 hPa
Monterey Regional Airport, CA18 mi49 minSSE 510.00 miFair48°F45°F89%1024.4 hPa

Wind History from SNS (wind in knots)
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Last 24hrCalmNE3W5CalmW5CalmCalmSE5CalmS3CalmCalmNW6NW8N6W8W7NW7NW3N3NW6CalmCalmCalm
1 day agoCalmCalmCalmNW3CalmSE3CalmNW3CalmCalmCalmCalmNW3W4NW7N13N13N8N8N6N6N9N10N8
2 days agoSE7SE9SE8SE5S4SE7SE13SE16SE10SE14SE12SE15SE11SE8CalmNW5NW5CalmCalmN4CalmCalmCalmNE3

Tide / Current Tables for Elkhorn, California
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Elkhorn
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Wed -- 03:01 AM PST     3.79 feet High Tide
Wed -- 07:06 AM PST     3.02 feet Low Tide
Wed -- 07:10 AM PST     Sunrise
Wed -- 11:10 AM PST     Moonrise
Wed -- 12:46 PM PST     4.46 feet High Tide
Wed -- 04:51 PM PST     Sunset
Wed -- 08:20 PM PST     0.06 feet Low Tide
Wed -- 09:51 PM PST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.63.23.63.83.73.43.233.13.43.84.14.44.54.33.83.12.21.20.50.10.20.61.3

Tide / Current Tables for Point Pinos, California Current
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Point Pinos
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Wed -- 12:48 AM PST     0.60 knots Max Flood
Wed -- 04:20 AM PST     -0.00 knots Slack
Wed -- 06:26 AM PST     -0.37 knots Max Ebb
Wed -- 07:10 AM PST     Sunrise
Wed -- 10:00 AM PST     0.00 knots Slack
Wed -- 11:10 AM PST     Moonrise
Wed -- 12:30 PM PST     0.31 knots Max Flood
Wed -- 03:06 PM PST     -0.00 knots Slack
Wed -- 04:52 PM PST     Sunset
Wed -- 06:30 PM PST     -0.72 knots Max Ebb
Wed -- 09:52 PM PST     Moonset
Wed -- 10:29 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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0.60.60.50.40.1-0.2-0.4-0.3-0.3-0.1-00.20.30.30.20-0.2-0.5-0.7-0.7-0.5-0.3-0.10.1

Weather Map and Satellite Images
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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 (2,6,7,8)
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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.