Friday, May24, 2019 L-36.com


Marine Weather and Tides
Gonzales, 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 5:50AMSunset 8:13PM Friday May 24, 2019 10:09 AM PDT (17:09 UTC) Moonrise 12:00AMMoonset 9:58AM Illumination 69% Phase: Waning Gibbous; Moon at 20 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- 822 Am Pdt Fri May 24 2019
Today..NW winds 5 to 10 kt...becoming W 10 to 15 kt this afternoon. Wind waves 2 ft or less. W swell 4 to 6 ft at 10 seconds.
Tonight..W winds 5 to 15 kt. Wind waves 2 ft or less. W swell 3 to 5 ft at 10 seconds.
Sat..W winds 5 to 15 kt. Wind waves 2 ft or less. W swell 5 to 7 ft at 11 seconds.
Sat night..W winds 10 to 20 kt with gusts up to 25 kt. Wind waves 2 ft or less. W swell 7 to 9 ft at 10 seconds. A chance of showers.
Sun..W winds 15 to 20 kt with gusts up to 30 kt. Wind waves 3 to 4 ft. W swell 6 to 8 ft at 10 seconds. A chance of showers.
Sun night..W winds 5 to 10 kt. Wind waves 2 ft or less. W swell 5 to 7 ft at 10 seconds.
Memorial day..W winds 5 to 10 kt. Wind waves 2 ft or less. W swell 3 to 5 ft.
Tue..NW winds 5 to 15 kt. Wind waves 2 ft or less. W swell 2 to 3 ft and sw around 3 ft. Locally lower winds and seas across sheltered portions of the bay.
PZZ500 822 Am Pdt Fri May 24 2019
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Southerly flow will prevail near the coast and with northerly flow over the outer waters today. Low pressure will move inland over the great basin Friday night through the weekend and lead to gusty northwest winds over the coastal waters. Moderate northwest swell will continue through the weekend with steep fresh swell generated by the gusty winds.


7 Day Forecast for Marine Location Near Gonzales, CA
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location: 36.54, -121.46     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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Fxus66 kmtr 241632
afdmtr
area forecast discussion
national weather service san francisco bay area
932 am pdt Fri may 24 2019

Synopsis Mainly dry conditions are forecast through Saturday,
along with continued cooler than normal temperatures.

Unseasonably cool and unsettled conditions are forecast to develop
later in the weekend as a system drops in from the north, with
scattered showers and isolated thunderstorms possible on Sunday.

Dry weather should return by memorial day, but temperatures will
remain cool into early next week.

Discussion As of 9:32 am pdt Friday... Low clouds blanket much
of the san francisco bay area this morning. The few locations
without cloud cover this morning include parts of the santa clara
valley as well as the southern stretches of the salinas valley.

1-minute goes-west visible imagery even is capturing a well-
defined circulation in the marine stratus off the coast of point
reyes (check out our twitter feed for the loop). Temperatures are
generally running within a few or several degrees of what they
were at this time 24 hours ago, though santa rosa is an exception
to this where it is presently running 6 degrees cooler (largely
thanks to this morning's clouds). High temperatures will be
similar to what we saw yesterday: 60s along the coast and 70s for
inland communities. No plans to make any updates to the short-term
grids at this time. For additional forecast details, please refer
to the previous discussion section.

Prev discussion As of 3:38 am pdt Friday... The shower activity
from last evening has ended, although moderate drizzle is
occuring along the coast, especially around the monterey
peninsula. Aside from this coastal drizzle in the morning, today
is expected to be dry with more Sun and slightly warmer
temperatures compared to yesterday. Similar conditions are
expected on Saturday.

Another upper low center is then forecast to affect the area on
Sunday as it drops south along the coast. Models are coming into
better agreement concerning the placement of this low, and it is
looking pretty plausible to see showers once again on Sunday.

Latest guidance focuses the main area of precip over the southern
and western-most portions of the district, mainly from marin
county south. In addition to showers, there is the potential for
isolated thunderstorms on Sunday, again mainly across the southern
half of our forecast area, closer to the upper low center.

Rainfall totals with this weekend's system will depend on the
exact track of the system and how far west the low tracks. Snow
levels will also depend upon the track of the low center. The
latest forecast keeps snow levels above 5000 feet, so any snow
fall would occur over the highest peaks in the santa lucias.

Temperatures on Sunday are forecast to be as much as 20 degrees
below normal.

The upper low is forecast to move well off to the southeast of
our area by Monday. Thus, dry weather is expected to return by
memorial day. Temperatures will warm slightly on Monday, but still
remain well below normal. Cool conditions are expected through the
remainder of the week as a broad upper level trough remains over
the west.

Aviation As of 5:05 am pdt Friday... Southerly to
southwesterly flow continues along the coast. Downsloping has kept
sfo and sjc inVFR overnight while other sites are experiencing
MVFR cigs. Satellite indicates little expansion of the stratus in
the past few hours with a large hole in the stratus advecting up
the coast from the south west of monterey bay. Southerly flow
expected to weaken this morning and turn westerly by this
afternoon. Southerly flow may keep sts in MVFR CIGS into the early
afternoon while sfo and sjc may see predominantlyVFR through the
morning and into the afternoon. Expecting onshore winds of 10-15
kt this afternoon at most sites.

Vicinity of ksfo...VFR most likely to prevail over the terminal
through the morning. Stratus over oak has shown little westward
expansion towards sfo overnight. If southerly flow weakens may see
a brief period of MVFR CIGS this morning. Light southerly winds
will turn westerly 10-15 kt this afternoon.

Sfo bridge approach... Similar to ksfo.

Monterey bay terminals... MVFR CIGS this morning with occasional
drizzle possible. Latest satellite trends a hole in the stratus
and drier air moving north along the coast. Some of this drier air
may work its way into the terminals and cause an earlier burn off
of stratus than indicated in the taf. Will continue to monitor
this development.

Marine As of 8:17 am pdt Friday... Southerly flow will prevail
near the coast and with northerly flow over the outer waters
today. Low pressure will move inland over the great basin Friday
night through the weekend and lead to gusty northwest winds over
the coastal waters. Moderate northwest swell will continue through
the weekend with steep fresh swell generated by the gusty winds.

Mtr watches warnings advisories
Tday Sca... Pt arena to pigeon pt 10-60 nm from 3 pm
public forecast: sims
aviation: st
marine: st
visit us at

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MEYC1 23 mi94 min 60°F1017.6 hPa
46240 - Cabrillo Point, Monterey Bay, CA (158) 24 mi70 min 59°F4 ft
ELXC1 - Elkhorn Slough Reserve, CA 24 mi85 min NNW 1.9 61°F 1018 hPa54°F
MLSC1 - Moss Landing, South Harbor, CA 25 mi119 min WNW 1.9 G 6 57°F 1017.8 hPa53°F
46092 - MBM1 33 mi57 min NW 3.9 56°F 56°F1017.5 hPa (+1.0)
46239 - Point Sur, CA (157) 36 mi40 min 58°F7 ft
46114 - West Monterey Bay, CA 49 mi40 min 57°F7 ft

Wind History for Monterey, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Salinas, Salinas Municipal Airport, CA11 mi77 minWSW 610.00 miPartly Cloudy63°F53°F70%1018.2 hPa
Monterey Regional Airport, CA20 mi76 minNW 410.00 miOvercast57°F52°F83%1018.8 hPa

Wind History from SNS (wind in knots)
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Last 24hrW4W44NW10W11NW12NW10NW8NW9N5N7N8N6N6N5N10N9N5N3N4N3CalmW6W4
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NW12W13NW10NW10NW9W11W11NW8NW6NW4NW3W4NW8

Tide / Current Tables for Monterey, Monterey Harbor, California (3)
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Monterey
Click for Map
Fri -- 12:43 AM PDT     Moonrise
Fri -- 02:14 AM PDT     4.37 feet High Tide
Fri -- 05:54 AM PDT     Sunrise
Fri -- 09:35 AM PDT     -0.20 feet Low Tide
Fri -- 10:59 AM PDT     Moonset
Fri -- 05:04 PM PDT     3.98 feet High Tide
Fri -- 08:15 PM PDT     Sunset
Fri -- 10:27 PM PDT     3.05 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.84.24.44.33.8321.10.3-0.1-0.20.20.91.72.53.33.843.93.73.43.23.13.1

Tide / Current Tables for Monterey, Monterey Harbor, California (2)
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Monterey
Click for Map
Fri -- 12:43 AM PDT     Moonrise
Fri -- 02:13 AM PDT     4.82 feet High Tide
Fri -- 05:54 AM PDT     Sunrise
Fri -- 09:57 AM PDT     0.11 feet Low Tide
Fri -- 10:59 AM PDT     Moonset
Fri -- 05:26 PM PDT     3.97 feet High Tide
Fri -- 08:15 PM PDT     Sunset
Fri -- 09:54 PM PDT     3.19 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.24.64.84.74.33.62.61.70.80.30.10.30.91.62.53.23.73.93.93.73.53.33.23.3

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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for San Francisco/Monterey Bay Area, CA (13,3,4,5)
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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.