Tuesday, January21, 2020
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L-36.com


Marine Weather and Tides
National City, CA

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 6:47AMSunset 5:11PM Tuesday January 21, 2020 7:36 AM PST (15:36 UTC) Moonrise 5:07AMMoonset 3:28PM Illumination 13% Phase: Waning Crescent; Moon at 26 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- 211 Am Pst Tue Jan 21 2020
Today..Wind variable less than 10 kt...becoming nw to 10 kt in the afternoon. Wind waves 2 ft or less. SWell W 2 to 4 ft at 15 seconds.
Tonight..Wind nw 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 4 ft at 16 seconds.
Wed..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. SWell W 2 to 4 ft at 16 seconds.
Wed night..Wind nw to 10 kt in the evening... Becoming variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 4 ft at 15 seconds.
Thu..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 4 ft at 13 seconds.
Thu night..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 3 ft.
Fri..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 3 ft.
Fri night..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 4 ft.
Sat..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 3 to 6 ft.
Sat night..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 3 to 6 ft.
PZZ700 211 Am Pst Tue Jan 21 2020
Synopsis for the far southern california coast.. At 2 am, a neutral flow was observed over the coastal waters. Increased onshore flow will continue through Wednesday. Light winds will prevail Thursday through Saturday with a weak eddy circulation at times.


7 Day Forecast for Marine Location Near National City, CA
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location: 32.67, -117.12     debug


Area Discussion for - San Diego, CA
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FXUS66 KSGX 211123 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 323 AM PST Tue Jan 21 2020

SYNOPSIS. Lingering showers over the San Diego County mountains will end this morning. Dry weather with a warming trend is then expected for Wednesday through Saturday with high temperatures warming to near to slightly above average. A weak trough of low pressure moving inland through California could bring some light precipitation some time around late Sunday into early Monday. Sunday and Monday will be cooler with dry weather and a warming trend from Tuesday of next week through the end of the month.

DISCUSSION. FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE . SAN DIEGO . WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES .

A weak trough of low pressure is moving inland through southern California early this morning with satellite and radar imagery showing the back edge of the showers and the higher level moisture just off the coast. Most of the showers are expected to end by around 6 AM but will linger near the San Diego County mountains into the morning.

For southwestern San Bernardino and northern Orange Counties measurable rainfall has been spottier and light, generally a trace to a few hundredths of an inch. South of there through San Diego County, bands of showers have produced somewhat greater amounts of one tenth to around one quarter inch in some areas with isolated amounts to around one third inch.

Satellite imagery also shows more extensive low clouds extending off the coast and covering much of the southern California bight. Clouds will gradually decrease today with slight warming of high temperatures.

Slow warming will continue on Wednesday with some high clouds possible as a very weak low pressure system moves inland through southern California. High pressure aloft near the West Coast is expected to continue dry weather and bring greater warming for Thursday through Saturday with near to slightly above average high temperatures.

For Sunday into early Monday, a weak low pressure system moving inland though southern California is expected to bring cooling, more clouds, and chances for a period of mostly light precipitation along and west of mountains. Dry weather with a warming trend is then expected through the end of the month.

AVIATION. 211000Z . The higher cloud deck of around 8000 feet MSL will decrease from west to east this morning while low clouds between 2500-5000 feet MSL continue from the coast to the mountains. Through 13Z expect occasional -SHRA and vis 3-5SM. Low clouds to scatter out 18-22Z from coast toward valleys and lastly along mountain slopes. Areas of low clouds redevelop after 04Z at around 2000 feet MSL with random coverage across the coastal basin.

MARINE. No hazardous marine conditions are expected through Saturday.

BEACHES. well and surf will build late today through Wednesday, generating surf of 4-6 feet along portions of southern San Diego County Wednesday. The higher sets, along with a long swell period, will create some strong rip currents and hazardous swimming conditions.

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 . 17 AVIATION/MARINE/BEACHES . MM


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SDBC1 - 9410170 - San Diego, CA 4 mi54 min 59°F1020.1 hPa
46235 7 mi36 min 59°F4 ft
TIXC1 - Tijuana River Reserve, CA 7 mi111 min Calm 54°F 1021 hPa53°F
LJAC1 - 9410230 - La Jolla, CA 15 mi54 min N 4.1 G 5.1 54°F 60°F1019.9 hPa
LJPC1 - La Jolla, CA (073) 15 mi76 min N 5.1 G 7 2 ft
46254 16 mi38 min 54°F 60°F2 ft
46232 - Point Loma South, CA (191) 19 mi36 min 60°F4 ft
46258 21 mi36 min 60°F4 ft
46266 22 mi66 min 53°F 59°F3 ft
46225 - Torrey Pines Outer, CA (100) 23 mi36 min 58°F3 ft
46224 - Oceanside Offshore, CA (045) 40 mi36 min 60°F2 ft

Wind History for USS MIDWAY South Navy Pier, San Diego, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
San Diego, North Island, Naval Air Station, CA5 mi1.7 hrsN 03.00 miLight Rain Fog/Mist54°F52°F93%1020 hPa
San Diego, San Diego International-Lindbergh Field, CA5 mi45 minN 05.00 miFog/Mist56°F55°F97%1020.8 hPa
Imperial Beach Naval Outlying Field - Ream Field, CA6 mi1.7 hrsno data2.00 miLight Rain0°F0°F%1020.4 hPa
San Diego, Brown Field Municipal Airport, CA10 mi43 minESE 42.00 miFog/Mist52°F50°F93%1020.3 hPa
San Diego, Montgomery Field, CA11 mi43 minESE 54.00 miFog/Mist52°F50°F93%1020.1 hPa
Gillespie Field Airport, CA14 mi49 minN 02.00 miFog/Mist52°F50°F94%1020.7 hPa
San Diego, Miramar MCAS/Mitscher Field Airport, CA15 mi1.7 hrsSSE 45.00 miLight Rain Fog/Mist54°F51°F90%1019.6 hPa

Link to 5 minute data for KNZY

Wind History from NZY (wind in knots)
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Last 24hrCalmCalmCalmCalmSE6E6SE7W12W6N5N6E4SW4SE3CalmCalmS9S9S7S8S6SW5SW3Calm
1 day agoCalmNW3CalmCalmN5N7SW10SW6SE4S5S4SW5SW4SW6CalmE3CalmCalmCalmCalmNE4NE5E3Calm
2 days agoN3CalmCalmNE33NW3NW9NW12NW14--NW7CalmNW3NE3NW3N5N6CalmCalmCalmNE4CalmNE5NW4

Tide / Current Tables for National City, San Diego Bay, California
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National City
Click for Map
Tue -- 12:22 AM PST     2.01 feet Low Tide
Tue -- 04:06 AM PST     Moonrise
Tue -- 06:39 AM PST     6.75 feet High Tide
Tue -- 06:49 AM PST     Sunrise
Tue -- 02:01 PM PST     -1.01 feet Low Tide
Tue -- 02:28 PM PST     Moonset
Tue -- 05:10 PM PST     Sunset
Tue -- 08:23 PM PST     4.25 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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22.12.73.64.85.96.66.76.253.51.80.3-0.7-1-0.70.21.52.83.74.24.23.73

Tide / Current Tables for San Diego Bay Entrance, California Current
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San Diego Bay Entrance
Click for Map
Tue -- 12:41 AM PST     0.00 knots Slack
Tue -- 04:07 AM PST     Moonrise
Tue -- 04:09 AM PST     1.48 knots Max Flood
Tue -- 06:49 AM PST     Sunrise
Tue -- 06:57 AM PST     -0.00 knots Slack
Tue -- 10:33 AM PST     -2.35 knots Max Ebb
Tue -- 02:26 PM PST     0.00 knots Slack
Tue -- 02:28 PM PST     Moonset
Tue -- 05:10 PM PST     Sunset
Tue -- 05:24 PM PST     1.58 knots Max Flood
Tue -- 08:30 PM PST     -0.00 knots Slack
Tue -- 10:53 PM PST     -0.98 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.40.20.81.31.51.30.8-0-1-1.8-2.3-2.3-1.9-1.2-0.40.51.21.51.51.10.4-0.3-0.8-1

Weather Map
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wmap_P
GEOS Local Image of Southwest    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 Diego, CA (10,2,3,4)
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Ground Weather Radar Station San Diego, 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 numerous 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.