Monday, May22, 2017 L-36.com


Marine Weather and Tides
Boulevard, CA

Version 3.4
What's New / NOTES
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.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 5:41AMSunset 7:44PM Monday May 22, 2017 2:31 PM PDT (21:31 UTC) Moonrise 3:37AMMoonset 4:21PM Illumination 8% Phase: Waning Crescent; Moon at 27 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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PZZ750 Coastal Waters From San Mateo Point To The Mexican Border And Out To 30 Nm- 122 Pm Pdt Mon May 22 2017
Tonight..Wind nw 10 kt. Gusts to 15 kt in the evening. Wind waves 2 ft or less. Mixed swell W 2 ft at 10 seconds and S 2 to 3 ft at 15 seconds. Areas of dense fog with vsby 1 nm or less after midnight.
Tue..Wind nw 10 kt with gusts to 15 kt. Wind waves 2 ft or less. Mixed swell W 1 to 2 ft at 10 seconds and S 2 to 3 ft at 14 seconds. Areas of dense fog with vsby 1 nm or less in the morning.
Tue night..Wind W to 10 kt. Gusts to 15 kt in the evening. Wind waves 2 ft or less. Mixed swell W 1 ft at 9 seconds and sw 2 to 3 ft at 14 seconds.
Wed..Wind W to 10 kt...becoming 10 to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 1 ft at 11 seconds and sw 2 to 3 ft at 16 seconds.
Wed night..Wind W 10 to 15 kt. Wind waves 2 ft or less. Mixed swell W 1 to 2 ft at 13 seconds and sw 2 to 3 ft at 16 seconds.
Thu..Wind variable less than 10 kt...becoming W 10 kt with gusts to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 1 to 2 ft and sw 2 ft.
Thu night..Wind W 10 kt. Gusts to 15 kt in the evening. Wind waves 2 ft or less. Mixed swell W 1 to 2 ft and sw 2 ft. Slight chance of showers after midnight.
Fri..Wind variable less than 10 kt...becoming W 10 kt with gusts to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 1 to 2 ft and sw 2 ft. Slight chance of showers in the morning.
Fri night..Wind nw 10 kt. Gusts to 15 kt in the evening. Wind waves 2 ft or less. Mixed swell W 1 ft and sw 2 ft.
Sat..Wind W 10 to 15 kt. Gusts to 20 kt in the afternoon. Wind waves 2 ft or less...becoming 3 ft in the afternoon. Mixed swell W 1 ft and sw 1 to 2 ft.
Sat night..Wind W 10 kt. Gusts to 15 kt in the evening. Wind waves 2 ft or less. Mixed swell W 1 to 2 ft and sw 1 ft.
PZZ700 122 Pm Pdt Mon May 22 2017
Synopsis for far southern california coast.. At 1 pm...a 1018 mb high was 70 nm west of the mendocino county coast and a 1008 mb low was 40 nm northwest of blythe. Dense fog will likely occur over the coastal waters tonight into Tuesday morning. Weak to moderate onshore flow will continue through Saturday...with northwest gusts to 20 kt possible in the outer waters each late afternoon and early evening.

7 Day Forecast for Marine Location Near Boulevard, CA
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location: 32.67, -116.31     debug


Area Discussion for - San Diego, CA
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Fxus66 ksgx 222047
afdsgx
area forecast discussion
national weather service san diego ca
145 pm pdt Mon may 22 2017

Synopsis
Continued hot in the inland empire and the lower deserts through
Tuesday with high pressure aloft. Cooler near the coast with night
and morning low clouds and dense fog. Cooling will spread farther
inland Wednesday, with further cooling Thursday and Friday as a
trough of low pressure moves inland. This trough may produce areas
of light rain or drizzle west of the mountains Thursday night into
Friday morning. Dry and warm over the weekend with weak high
pressure aloft.

Discussion For extreme southwestern california including orange...

san diego... Western riverside and southwestern san bernardino
counties...

a shallow marine layer kept coastal areas comfortably cool, while
farther inland it baked. At 1 pm the temperature was 71 at the san
diego airport (avg high 69), 87 at ramona (avg 76), 90 (avg 81) at
riverside and a blistering 105 (avg 95) at palm springs.

Tuesday will be the same, or perhaps even a little hotter in the
eastern valleys, mountains and deserts as weak ridging aloft
suppresses the marine layer slightly. The record at palm springs
Tuesday is 114, and the forecast high is 111. This early season heat
will elevate the heat risk in the lower deserts. Areas of low clouds
and dense fog will spread 10-15 miles inland again tonight, then
retreat back to the coast Tuesday morning.

The upper ridge weakens Tuesday night and low clouds will spread a
little farther inland Wednesday morning. Wednesday will be a little
cooler with the deeper marine layer lowering valley highs into the
80s. Not quite as hot in the lower deserts with highs around 106.

Thursday through Sunday... A pacific trough moving inland will bring
stronger onshore flow and greater cooling Thursday and Friday. Most
of it's energy will slide past to the north, but it will bring
strong winds to the mountains and deserts where wind advisories may
be needed. The marine layer will be much deeper with low cloud and
fog extending into the valleys Thursday morning, perhaps deep enough
for light rain or drizzle west of the mountains Thursday night into
Friday morning.

On Saturday high pressure aloft rebuilds along the west coast
bringing warmer weather and temperatures a few degrees above average
by memorial day.

Aviation
222002... Coast/valleys... Through 23/0200 utc, mostly skc and p6sm
vis, except at/near portions of the beaches where bkn-sct clouds
1000-1500 ft msl may linger. 23/0200-1600 utc, low stratus/dense fog
likely re-developing about 10-15 sm inland with bases 300-600 ft msl
and tops 700-1000 ft msl, with areas of vis 1/4-2 sm. Confidence in
cig heights and vis for ksan, kcrq and ksna tafs is moderate with
moderate confidence in timing and high confidence in low stratus/fog
occurrence.

Mountains/deserts... P6sm vis and mostly skc through Tuesday morning.

Marine
A shallower marine layer will likely bring dense fog to the coastal
waters tonight into Tuesday morning, producing visibilities of 1 nm
or less.

Also, 20 kt northwest wind gusts will be possible over the outer
waters near san clemente island each late afternoon and early
evening through Friday.

Skywarn
Skywarn activation is not requested. However weather spotters are
encouraged to report significant weather conditions.

Sgx watches/warnings/advisories
Ca... None.

Pz... None.

Public... Moede
aviation/marine... Harrison


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TIXC1 - Tijuana River Reserve, CA 44 mi106 min WNW 8 66°F 1016 hPa59°F
SDBC1 - 9410170 - San Diego, CA 46 mi43 min 70°F1014.3 hPa
IIWC1 - 9410172 - USS Midway South Navy Pier, San Diego, CA 46 mi55 min WNW 11 G 12 66°F

Wind History for USS MIDWAY South Navy Pier, San Diego, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Campo, CA9 mi39 minWNW 10 mi91°F39°F16%1011.3 hPa

Wind History from NJK (wind in knots)
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Last 24hr5SE4E6E5CalmW10SW11W10W12W9W9W7CalmNW4NW4W10W6W3CalmNW4NW3SE5E6SE5
1 day ago5--E3NW3SW5SW5SW5W5W7W6W4SW3W4W9W7W5W4W7NW5N7N4E7E7E7
2 days ago5NW8CalmS6S9SW6SW7--W7W7W7W4SW5W4SW4W8NW6NW4NW8N9NE9E75E10

Tide / Current Tables for National City, San Diego Bay, California
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National City
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Mon -- 01:48 AM PDT     0.44 feet Low Tide
Mon -- 03:40 AM PDT     Moonrise
Mon -- 05:45 AM PDT     Sunrise
Mon -- 07:38 AM PDT     4.70 feet High Tide
Mon -- 01:33 PM PDT     0.48 feet Low Tide
Mon -- 04:24 PM PDT     Moonset
Mon -- 07:45 PM PDT     Sunset
Mon -- 07:51 PM PDT     6.36 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.40.60.50.91.82.93.94.64.74.23.32.21.20.60.51.22.33.85.16.16.45.94.83.3

Tide / Current Tables for Imperial Beach, California
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Imperial Beach
Click for Map
Mon -- 01:35 AM PDT     0.43 feet Low Tide
Mon -- 03:40 AM PDT     Moonrise
Mon -- 05:45 AM PDT     Sunrise
Mon -- 07:34 AM PDT     4.19 feet High Tide
Mon -- 01:20 PM PDT     0.46 feet Low Tide
Mon -- 04:24 PM PDT     Moonset
Mon -- 07:45 PM PDT     Sunset
Mon -- 07:47 PM PDT     5.73 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.10.50.50.91.82.73.64.14.13.72.81.810.50.61.22.33.64.85.55.75.24.22.8

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

GOES Local Image of Southwest    EDIT
Geos

Wind Forecast for San Diego, CA (17,4,5,8)
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Ground Weather Radar Station San Diego, 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.