Tuesday, March31, 2020
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L-36.com


Marine Weather and Tides
Boulevard, 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 6:33AMSunset 7:07PM Tuesday March 31, 2020 10:25 AM PDT (17:25 UTC) Moonrise 11:18AMMoonset 1:02AM Illumination 51% Phase: First Quarter Moon; Moon at 8 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- 213 Am Pdt Tue Mar 31 2020
Today..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. SWell W 2 to 3 ft at 7 seconds.
Tonight..Wind variable less than 10 kt...becoming S 10 kt after midnight. Wind waves 2 ft or less. SWell W 2 to 3 ft at 8 seconds.
Wed..Wind S 10 kt. Gusts to 15 kt in the afternoon. Wind waves 2 ft or less. SWell W 3 to 4 ft at 9 seconds.
Wed night..Wind sw 10 kt. Wind waves 2 ft or less. SWell W 3 to 5 ft at 10 seconds.
Thu..Wind sw 10 kt. Wind waves 2 ft or less. SWell W 4 to 6 ft at 10 seconds.
Thu night..Wind W to 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. SWell W 3 to 5 ft.
Fri..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. SWell W 3 to 4 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...becoming W 10 kt with gusts to 15 kt in the afternoon. Wind waves 2 ft or less. SWell W 3 to 4 ft.
Sat night..Wind W 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. SWell W 3 to 4 ft.
PZZ700 213 Am Pdt Tue Mar 31 2020
Synopsis for the far southern california coast.. At 2 am, a 1029 mb high was 500 nm west of point conception and a 1012 mb low was over southern sonora, mexico. Weak onshore flow and a coastal eddy will prevail through Saturday. Winds and the eddy circulation will be strongest on Wednesday.


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 311643 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 943 AM PDT Tue Mar 31 2020

SYNOPSIS. A weak low pressure system well off the northern Baja coast will spread high clouds across southern California today with warm weather for the region. For Wednesday and Thursday, onshore flow will strengthen and spread cooling and cloud cover along the coast and further into the valleys each night. Friday will be a little warmer, then a weak low pressure system moving inland across California on Saturday will generate cooling inland for the weekend. Another stronger storm system from the northwest will bring chances for precipitation by early next week.

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

SHORT TERM. (Today through Thursday) . A large area of high pressure in the eastern Pacific will provide another dry day today. Southwesterly flow aloft on the southeastern edge of this system will continue to stream in a thick band of high clouds across the region today. Though these clouds will persist, your Tuesday will be the warmest day of the week with temperatures a touch above normal. A weak coastal eddy will form this evening, which may bring some brief low clouds and fog to the coast later at night.

As a storm system enters the Pacific Northwest today, this will lead to a troughing pattern over the West and bring us more cooler and windier weather for the middle of the week. An increase in onshore flow can be expected as surface gradients tighten. This will bring some gusty winds to the mountains and deserts Wednesday afternoon into early Thursday morning. The coastal eddy will strengthen as well, leading to a deeper marine layer. This will bring low clouds to the coast and further into the inland valleys, where patchy drizzle cannot be ruled out.

LONG TERM. (Friday through Monday) . As we get into the weekend, the weather pattern will slowly become more unsettled. The upper atmosphere will begin to stabilizeon Friday, bringing slightly warmer temperatures and dry weather. Ensembles are in rather good agreement on the timing of the first initial and smaller storm system to slide into Northern California late Friday night into Saturday. But that's only round one of the "one two punch" as a storm system is expected to gain strength as it pushes south from the Gulf of Alaska. This system will usher in some colder air and chances for precipitation as we head into Sunday evening and potentially lasting through much of Monday as well.

AVIATION. 311535Z . BKN-OVC200 today and tonight 09Z-12Z Wednesday. SCT010 near the coast becoming BKN-OVC015 at the coastal airports.

MARINE. No hazardous marine weather today. A Catalina Eddy spins up tonight and generates south winds from 10-15 kt over the Inner Waters Wednesday.

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 . APR AVIATION/MARINE . Moede


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TIXC1 - Tijuana River Reserve, CA 44 mi101 min SE 1 57°F 1019 hPa54°F
SDBC1 - 9410170 - San Diego, CA 46 mi62 min 63°F1017.6 hPa

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 mi34 minN 0 mi60°F48°F65%1016.1 hPa

Link to 5 minute data for KNJK

Wind History from NJK (wind in knots)
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Last 24hrCalm3E5N8N63NW7E5S4S4CalmCalmCalmCalmCalmW7W4W5W3SW4W5W3W4W3
1 day agoNW7W10NW10N7--W11W16
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W22W16W16W16W15W12W9W10W8W9W7W7NW3S3SW4SW54
2 days agoS3E6SE6SE9
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SE11SE9SE3E5E7SE7SE6SW7SW8SW9SW9W7NW7NW6W6N3W10W11W12W7

Tide / Current Tables for National City, San Diego Bay, California
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National City
Click for Map
Tue -- 01:06 AM PDT     Moonset
Tue -- 01:42 AM PDT     4.89 feet High Tide
Tue -- 06:37 AM PDT     Sunrise
Tue -- 10:12 AM PDT     0.75 feet Low Tide
Tue -- 11:21 AM PDT     Moonrise
Tue -- 07:08 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.54.84.94.74.23.52.821.40.90.80.81.11.522.42.72.93333.13.33.6

Tide / Current Tables for Imperial Beach, California
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


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 (13,3,4,5)
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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 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.