Wednesday, April1, 2020
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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 6:32AMSunset 7:08PM Wednesday April 1, 2020 12:54 AM PDT (07:54 UTC) Moonrise 12:13PMMoonset 1:59AM Illumination 58% 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- 204 Pm Pdt Tue Mar 31 2020
Tonight..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 3 ft at 8 seconds.
Wed..Wind S 10 to 15 kt with gusts to 20 kt. Wind waves 2 ft or less. SWell W 3 to 4 ft at 9 seconds.
Wed night..Wind S 10 kt with gusts to 15 kt. Wind waves 2 ft or less. SWell W 3 to 5 ft at 10 seconds.
Thu..Wind sw 10 kt with gusts to 15 kt. Wind waves 2 ft or less. SWell W 4 to 6 ft at 10 seconds.
Thu night..Wind sw 10 kt...becoming S after midnight. Wind waves 2 ft or less. SWell W 3 to 5 ft at 10 seconds.
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 W 10 kt. Wind waves 2 ft or less. SWell W 2 to 3 ft.
Sat..Wind variable less than 10 kt...becoming sw 10 kt in the afternoon. Wind waves 2 ft or less. SWell W 3 to 4 ft.
Sat night..Wind W 10 kt. Gusts to 15 kt in the evening. Wind waves 2 ft or less. SWell W 3 ft.
Sun..Wind W 10 kt. Gusts to 15 kt in the afternoon. Wind waves 2 ft or less. SWell W 2 to 3 ft.
Sun night..Wind W 10 kt. Wind waves 2 ft or less. SWell W 2 to 3 ft. Slight chance of rain.
PZZ700 204 Pm Pdt Tue Mar 31 2020
Synopsis for the far southern california coast.. At 2 pm, a 1020 mb high was over utah and a weak cold was over northern california. A weak coastal eddy will spin up tonight with light south winds over the inner waters Wednesday morning increasing to 10 to 15 kt by the afternoon. The eddy circulation with persist through Saturday.


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 010325 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 824 PM PDT Tue Mar 31 2020

SYNOPSIS. Developing low pressure over the Rockies will strengthen onshore flow and deepen the marine layer inland Wednesday and Thursday. This will bring cooling and more night and morning low clouds west of the mountains, as the high clouds thin, allowing more sunshine each day. Onshore flow weakens on Friday, setting up a dry and slightly warmer day. A colder trough from the north will reverse that trend over the weekend, and bring a chance of showers.

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

Satellite imagery still showed an abundance of high clouds at 8 PM PDT drifting over SoCal. The clouds extend well out to sea, so they will likely be with us most of the night. By morning, some lower clouds may spread inland along the coast as a moderate coastal eddy develops. Still expect more sun tomorrow as the higher clouds exit the area. The winds will be stronger as well. Westerly and gusty over the mountains and through the passes into the deserts, and southerly and gusty along the coast. The eddy will gather more clouds Wednesday night into Thursday morning, deepening the marine layer further. There is even a small chance for a few light showers to break out, but significant accumulations are not expected. That will set us up for a fair, but cooler Thursday.

A forecast update was issued to introduce a chance of some light precip as early as Saturday night west of the mts, with increasing chances inland through the weekend. The large western trough supports a deepening marine layer which could leak a few showers ahead of the better dynamics to come early next week.

From previous discussion .

LONG TERM. (Friday through Tuesday) . As we get into the weekend, the weather pattern will slowly become more unsettled. The upper atmosphere will begin to stabilize on Friday, bringing slightly warmer temperatures and dry weather. Ensembles are in remain in 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 and even into early Tuesday.

AVIATION. 010220Z . Coast/Valleys . High confidence in VFR conditions prevailing at all terminals through at least 09Z Wed. Low clouds, with bases in the range 1,000-1,800 ft MSL, should increase in coverage at the coast 09Z-16Z. For this period, confidence in timing and persistence of CIGS at the coastal terminals is low, though likelihood of CIGS is highest for KSAN/KCRQ, and lower for KSNA.

Moderate confidence in coastal eddy development overnight and into Wed morning, which will generate S/SW SFC winds at the terminals after 20Z, with gusts 10-15 kts possible. Onshore flow will result in a deepening marine layer, with CIGS lifting to 2,000 ft MSL and above after 00Z Thu. Clouds will subsequently spread inland during the afternoon/evening, extending to the coastal slopes overnight with VIS restrictions on elevated terrain.

Mountains/Deserts . VFR conditions with unrestricted VIS will prevail through Wed afternoon, with SCT-BKN high clouds AOA 15,000 ft MSL. West winds will strengthen after 21Z Wed over the mtns and into adjacent desert slopes, with gusts 30-40 kts at times, strongest through passes and on desert slopes. Gusty winds may surface at times at KPSP/KTRM Wed evening, with LLWS and MOD UDDFTS likely over and east of the mtns.

MARINE. A coastal eddy may generate locally gusty south winds with gusts to 15 kts on Wednesday. Otherwise, mostly weak onshore flow will prevail for much of the week, with no hazardous marine conditions expected.

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 . 10 AVIATION/MARINE . Rodriguez


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TIXC1 - Tijuana River Reserve, CA 44 mi69 min ENE 1 55°F 1013 hPa54°F
SDBC1 - 9410170 - San Diego, CA 46 mi60 min 62°F1012.1 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 mi62 minNE 4 mi48°F41°F77%1010.6 hPa

Link to 5 minute data for KCZZ

Wind History from CZZ (wind in knots)
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Last 24hrE5NE5NE5NE6NE3NE4NE4NE3CalmCalmNE8E10E8E5NE5SW3SW8SW6SW6CalmNE4E5NE3NE4
1 day agoCalmCalmCalmN4NE5CalmNE4NE3CalmCalmE14E13E14E15E8E6W64S6N4NE5NE3NE6NE4
2 days agoN3NE3NE3NE5CalmCalmNE5NE5CalmW11W12W9W11W12
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W8SW9SW11W6W3W3Calm

Tide / Current Tables for National City, San Diego Bay, California
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National City
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Wed -- 02:02 AM PDT     Moonset
Wed -- 03:13 AM PDT     4.77 feet High Tide
Wed -- 03:21 AM PDT     First Quarter
Wed -- 06:35 AM PDT     Sunrise
Wed -- 11:42 AM PDT     0.38 feet Low Tide
Wed -- 12:16 PM PDT     Moonrise
Wed -- 07:09 PM PDT     Sunset
Wed -- 07:09 PM PDT     3.56 feet High Tide
Wed -- 10:55 PM PDT     2.97 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.94.34.64.84.74.43.83.12.21.50.80.50.40.61.21.82.53.13.43.63.53.33.13

Tide / Current Tables for San Diego Bay Entrance, California Current
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San Diego Bay Entrance
Click for Map
Wed -- 12:16 AM PDT     0.38 knots Max Flood
Wed -- 02:02 AM PDT     Moonset
Wed -- 03:21 AM PDT     First Quarter
Wed -- 03:29 AM PDT     -0.00 knots Slack
Wed -- 06:35 AM PDT     Sunrise
Wed -- 07:57 AM PDT     -1.26 knots Max Ebb
Wed -- 12:12 PM PDT     0.00 knots Slack
Wed -- 12:16 PM PDT     Moonrise
Wed -- 03:42 PM PDT     0.82 knots Max Flood
Wed -- 07:01 PM PDT     -0.00 knots Slack
Wed -- 07:09 PM PDT     Sunset
Wed -- 09:02 PM PDT     -0.36 knots Max Ebb
Wed -- 11:24 PM PDT     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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0.40.40.30.1-0.1-0.5-0.9-1.2-1.3-1.1-0.9-0.5-0.10.30.60.80.80.70.40-0.3-0.4-0.3-0.1

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 (3,6,7,8)
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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.