Friday, January24, 2020
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Marine Weather and Tides
Imperial Beach, 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 6:46AMSunset 5:14PM Friday January 24, 2020 12:36 AM PST (08:36 UTC) Moonrise 7:49AMMoonset 6:12PM Illumination 1% Phase: Waning Crescent; Moon at 29 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- 150 Pm Pst Thu Jan 23 2020
Tonight..Wind nw to 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 3 ft at 12 seconds.
Fri..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 3 ft at 12 seconds.
Fri night..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 5 ft at 13 seconds.
Sat..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 3 to 6 ft at 16 seconds.
Sat night..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 3 to 6 ft at 16 seconds.
Sun..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 3 to 5 ft.
Sun night..Wind nw to 10 kt in the evening... Becoming variable less than 10 kt. Wind waves 2 ft or less. SWell W 3 to 5 ft.
Mon..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 3 to 5 ft.
Mon night..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 3 to 5 ft.
Tue..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. SWell W 3 to 6 ft.
Tue night..Wind nw 10 kt in the evening... Becoming variable less than 10 kt. Wind waves 2 ft or less. SWell W 3 to 5 ft.
PZZ700 150 Pm Pst Thu Jan 23 2020
Synopsis for the far southern california coast.. At 1 pm, a 1016 mb low was over northern baja and a 1025 mb high was 540 sm west of the oregon coast. Weak onshore flow and light winds will continue through Saturday. A coastal eddy is expected Saturday. Onshore flow will increase Sunday before turning weakly offshore Monday.


7 Day Forecast for Marine Location Near Imperial Beach city, CA
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location: 32.53, -117.14     debug


Area Discussion for - San Diego, CA
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FXUS66 KSGX 240529 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 929 PM PST Thu Jan 23 2020

SYNOPSIS. High pressure over the West Coast will continue to build in through Saturday, bringing dry weather and continued above normal temperatures. A weak low pressure system will bring cooling on Sunday to the region. High pressure will build back in on Monday, bringing dry weather and a warming trend for next week.

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

. Update .

Sunshine prevailed today with highs in the 70s commonplace, except cooler in the mountains as well as in the high desert. Highs across our service area ranged from 50F degrees at Mount Laguna and Baldwin Lake to 80F degrees at Palm Springs (close to the nation's high, which was 82F degrees at Harlingen and McAllen, Texas).

Patchy low clouds have formed near the coast. While we don't expect widespread low cloud coverage, patchy cloudiness will continue near the coast overnight with a mostly clear sky inland. No changes were needed to the forecast this evening.

. Previous Discussion (Issued at 145 PM PST Thu Jan 23 2020) .

At 1 PM, weak offshore flow was producing wind gusts of 20 to 30 mph in the mountains and foothills. Winds will continue to diminish throughout the afternoon. Weakening offshore flow may allow some patchy low clouds and fog to form along the immediate coast overnight. Any low clouds and fog that forms will likely be confined to the immediate coast and not push too far onshore overnight.

High pressure near the West Coast will continue to build into southern California through Saturday, resulting in dry weather and warmer temperatures. Daytime highs will run a couple of degrees warmer than normal along the coast, while in the valleys and mountains, highs will be 5 to 10 degrees above normal. Warmer weather will continue through Saturday, with little day to day temperature variation.

High resolution models are showing a coastal eddy developing Friday night and continuing through the weekend. This could bring cooling near the coast Saturday and the return of low clouds at times.

On Sunday, a weak Pacific trough will move inland and bring cooling to the region. Deterministic models and their ensemble solutions continue to trend weaker with this system, so precipitation chances are decreasing. Little if any precipitation is expected, but if any sprinkles do fall, it will be during the day on Sunday. Nevertheless, stronger westerly winds can be expected with gusts of 25 to 35 mph in the mountains and deserts on Sunday.

High pressure over the eastern Pacific will build into the region on Monday and strengthen throughout the week. This will result in dry weather, a warming trend, and a shallower marine layer through the end of next week.

AVIATION. 240500Z . Coast . Patchy stratus/fog will occur overnight within 5- 10 miles of the San Diego County coast but could drift out to sea after 09Z Fri. Confidence is low with a BKN cig at any individual airport, but if cigs occur they will likely be 800 feet MSL or lower. Areas of vis 2-4 miles will occur overnight, with local vis below 1 mile possible over higher coastal terrain. Low stratus/fog will likely develop Fri evening.

Valleys/Mountains/Deserts . Mostly clear with unrestricted vis will prevail through Fri evening.

MARINE. A long-period WNW swell at 15-18 seconds/285 degrees will bring seas of 7-10 feet in the outer coastal waters this weekend. Otherwise, no hazardous marine conditions are expected through Tuesday.

Beaches. A long-period WNW swell at 15-18 seconds/285 degrees will bring high surf this weekend. Surf will be 6-8 feet in southern San Diego County and northern Orange County, with generally 4-6 feet in northern SD/southern Orange Counties. Strong rip currents are expected through the period as well. High surf advisory is in effect late Friday night through Sunday. Surf will lower late Sunday and Monday, but another increase in surf is possible around next Tuesday.

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

SGX WATCHES/WARNINGS/ADVISORIES. CA . High Surf Advisory from 10 PM Friday to 6 PM PST Sunday for Orange County Coastal Areas-San Diego County Coastal Areas.

PZ . NONE.

PUBLIC . Gregoria (Update)/Connolly/JJT (Prev Discussion) AVIATION/MARINE . Maxwell


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46235 3 mi37 min 59°F4 ft
TIXC1 - Tijuana River Reserve, CA 3 mi67 min Calm 51°F 1018 hPa49°F
SDBC1 - 9410170 - San Diego, CA 13 mi55 min 60°F1016.8 hPa
46232 - Point Loma South, CA (191) 15 mi37 min 60°F4 ft
46254 24 mi39 min 60°F3 ft
LJAC1 - 9410230 - La Jolla, CA 24 mi55 min ESE 1.9 G 1.9 57°F 60°F1016.5 hPa
LJPC1 - La Jolla, CA (073) 24 mi77 min Calm G 1 3 ft
46258 25 mi37 min 60°F4 ft
46266 30 mi37 min 54°F 60°F3 ft
46225 - Torrey Pines Outer, CA (100) 31 mi37 min 58°F4 ft
46086 - San Clemente Basin 48 mi27 min W 3.9 G 7.8 55°F 60°F1017 hPa54°F
46224 - Oceanside Offshore, CA (045) 48 mi37 min 60°F3 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
Imperial Beach Naval Outlying Field - Ream Field, CA4 mi2.7 hrsN 56.00 miFog/Mist55°F53°F93%1017.9 hPa
San Diego, Brown Field Municipal Airport, CA9 mi44 minE 48.00 miFair48°F44°F86%1016.7 hPa
San Diego, North Island, Naval Air Station, CA12 mi1.7 hrsNNE 54.00 miFog/Mist56°F54°F93%1017.3 hPa
San Diego, San Diego International-Lindbergh Field, CA14 mi46 minN 05.00 miFog/Mist56°F54°F93%1017.4 hPa
San Diego, Montgomery Field, CA21 mi44 minN 010.00 miFair53°F46°F80%1016.7 hPa
Gillespie Field Airport, CA23 mi62 minN 010.00 miFair48°F46°F94%1017.3 hPa
San Diego, Miramar MCAS/Mitscher Field Airport, CA24 mi1.7 hrsENE 410.00 miFair51°F46°F83%1016.9 hPa

Link to 5 minute data for KNRS

Wind History from NRS (wind in knots)
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Last 24hr----------------CalmNE44N4NW5NW5W8W10W10W10W11W8NW7N7N7N5
1 day agoCalm--------------E7NE7NE7N8W12W13W11W11W11W8W7NW5NW333Calm
2 days ago----------------E7NE7NE7NE8SW9S9S11S13S13W6W5NW5NW4CalmCalmCalm

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.


Tide / Current Tables for San Diego Bay Entrance, California Current
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San Diego Bay Entrance
Click for Map
Fri -- 12:11 AM PST     -1.07 knots Max Ebb
Fri -- 02:43 AM PST     0.00 knots Slack
Fri -- 06:06 AM PST     1.59 knots Max Flood
Fri -- 06:47 AM PST     Sunrise
Fri -- 06:49 AM PST     Moonrise
Fri -- 08:56 AM PST     -0.00 knots Slack
Fri -- 12:28 PM PST     -2.52 knots Max Ebb
Fri -- 01:44 PM PST     New Moon
Fri -- 04:15 PM PST     0.00 knots Slack
Fri -- 05:12 PM PST     Moonset
Fri -- 05:13 PM PST     Sunset
Fri -- 07:15 PM PST     1.62 knots Max Flood
Fri -- 10:22 PM PST     -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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-1.1-0.9-0.50.20.81.41.61.40.8-0.1-1.1-2-2.5-2.5-2-1.2-0.20.61.31.61.510.3-0.5

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.