Friday, September17, 2021
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Marine Weather and Tides
National City, CA

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:32AMSunset 6:52PM Friday September 17, 2021 12:34 AM PDT (07:34 UTC) Moonrise 5:25PMMoonset 2:59AM Illumination 81% Phase: Waxing Gibbous; Moon at 11 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- 131 Pm Pdt Thu Sep 16 2021
Tonight..Wind nw 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft at 10 seconds and S 2 to 3 ft at 15 seconds.
Fri..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft at 10 seconds and S 2 to 3 ft at 15 seconds.
Fri night..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft at 9 seconds and S 2 ft at 15 seconds.
Sat..Wind variable less than 10 kt...becoming nw 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft at 9 seconds and S 2 ft at 15 seconds.
Sat night..Wind nw 10 kt. Wind waves 2 ft or less. Mixed swell W 1 to 3 ft at 10 seconds and S 2 ft at 15 seconds.
Sun..Wind nw 10 kt. Wind waves 2 ft or less... Becoming 3 ft in the afternoon. Mixed swell W 1 ft and S 2 ft.
Sun night..Wind W 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and S 2 ft.
Mon..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 3 ft and S 2 ft.
Mon night..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and S 2 ft.
Tue..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and S 2 ft.
Tue night..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and sw 2 ft.
PZZ700 131 Pm Pdt Thu Sep 16 2021
Synopsis for the far southern california coast.. At 2 pm, a 1012 mb high was over the california bight and a 1004 mb low was near needles. Weak to moderate onshore flow will prevail through the weekend.


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 170443 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 945 PM PDT Thu Sep 16 2021

SYNOPSIS. The weather will be fair with warm days and cool nights through Sunday. Morning marine layer clouds in the coastal and valley areas will retreat back to the coast each day. High pressure building over the Southwest early next week will bring warm, dry weather through Thursday.

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

EVENING UPDATE: There will be some increase in mid-level clouds Friday as an upper level disturbance moves in from the south. There will be a sharp increase in Precipitable Water in the eastern deserts tonight and Friday in the Anza Borrego Desert and the Coachella Valley where PW's jump from 0.65" to 0.95", and even higher PWs over the deserts of Imperial and eastern Riverside Counties where HREF ensembles generate isolated convection. The likelihood of convection over our deserts is low, but will keep an eye on model trends tonight.

High temperatures over SoCal will be fairly consistent with little variability through Sunday.

*From Previous Discussion*

An amplified longwave trough will progress eastward through the Pacific Northwest and Great Basin on Saturday and Sunday. The main impacts for Southern California will be some breezy winds across the mountains and the deserts slopes this weekend. Peak wind gusts are expected to reach 25-40 mph.

As the upper low moves eastward early next week, a ridge will begin to develop across the eastern Pacific. This will set the stage for winds to turn offshore late Monday into Tuesday. At this time, Santa Ana winds look to remain on the weaker side. Highs will slowly warm through the week, with temperatures expected to return to near normal or slightly above normal by Wednesday.

AVIATION. 170400Z . Coast/Valleys . Low clouds with bases 1500-2000 feet MSL will continue to form and push inland overnight, reaching KONT after 10Z. Visibility of 3-5SM in BR/HZ possible near higher coastal terrain and along the inland extent of the stratus in the valleys. Scatter out expected 16-18Z.

Mountains/Deserts . Clear skies with unrestricted vis through Friday.

MARINE. No hazardous marine weather is expected through Wednesday.

FIRE WEATHER. Fire weather conditions will continue elevated to locally critical for a few hours along the desert slopes and near passes today, where very low RH (5-10%) and gusty southwest to west winds will prevail, especially in the afternoon and evening. Slightly higher RH is on the way for Fri-Sat with a slight increase in winds by Saturday. Temperatures will remain near or below average through the weekend, followed by warming to around average early next week under high pressure aloft and weak offshore flow.

SKYWARN. Skywarn activation will not be needed Friday.

SGX WATCHES/WARNINGS/ADVISORIES. CA . NONE. PZ . NONE.

EVENING UPDATE . Moede PUBLIC . Schenk AVIATION/MARINE . Connolly


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SDBC1 - 9410170 - San Diego, CA 4 mi53 min 70°F1012.4 hPa
46235 7 mi69 min 64°F 64°F2 ft
TIXC1 - Tijuana River Reserve, CA 7 mi50 min NW 1.9 64°F 1013 hPa61°F
LJAC1 - 9410230 - La Jolla, CA 15 mi53 min N 1.9 G 2.9 65°F 64°F1012.2 hPa
LJPC1 - La Jolla, CA (073) 15 mi75 min NW 1 G 2.9 2 ft
46254 16 mi39 min 69°F2 ft
46232 - Point Loma South, CA (191) 19 mi39 min 72°F4 ft
46258 21 mi39 min 68°F4 ft
46266 22 mi35 min 65°F 68°F2 ft
46225 - Torrey Pines Outer, CA (100) 23 mi39 min 71°F3 ft
46224 - Oceanside Offshore, CA (045) 40 mi39 min 71°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
San Diego, North Island, Naval Air Station, CA5 mi43 minW 310.00 miMostly Cloudy67°F57°F71%1012.4 hPa
San Diego International Airport, CA5 mi44 minN 010.00 miOvercast66°F58°F75%1013.1 hPa
Imperial Beach Naval Outlying Field - Ream Field, CA6 mi39 minWNW 410.00 miOvercast0°F0°F%1012.9 hPa
San Diego, Brown Field Municipal Airport, CA10 mi42 minN 010.00 miMostly Cloudy64°F57°F78%1012.2 hPa
San Diego, Montgomery Field, CA11 mi42 minNNW 410.00 miOvercast65°F57°F76%1012.4 hPa
Gillespie Field Airport, CA14 mi40 minWNW 510.00 miMostly Cloudy61°F55°F83%1012.5 hPa
San Diego, Miramar MCAS/Mitscher Field Airport, CA15 mi40 minN 010.00 miOvercast60°F57°F90%1012.3 hPa

Link to 5 minute data for KNZY

Wind History from NZY (wind in knots)
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Last 24hrNW4NW6NW5NW4Calm4W4N5N4NW6W9W10W10W13W10W11W10NW10NW8NW6NW6NW5NW4W3
1 day agoSW4S3CalmS4SW4S3SW4SW4NW6NW7W8W9NW10W8W9W10NW12W8W7W6W6CalmNW6N4
2 days agoCalmS3S3SE3CalmSE5CalmE3SW4SW6S7W6W8SW8SW9SW8SW7W5S4W4W4CalmS4S3

Tide / Current Tables for National City, San Diego Bay, California
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National City
Click for Map
Fri -- 02:12 AM PDT     -0.72 feet Low Tide
Fri -- 02:59 AM PDT     Moonset
Fri -- 06:33 AM PDT     Sunrise
Fri -- 08:39 AM PDT     5.17 feet High Tide
Fri -- 01:59 PM PDT     1.99 feet Low Tide
Fri -- 05:25 PM PDT     Moonrise
Fri -- 06:51 PM PDT     Sunset
Fri -- 07:53 PM PDT     6.75 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.9-0.2-0.7-0.50.41.73.14.355.14.73.932.322.33.24.45.66.56.76.35.23.7

Tide / Current Tables for San Diego Bay Entrance, California Current
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San Diego Bay Entrance
Click for Map
Fri -- 02:37 AM PDT     0.00 knots Slack
Fri -- 02:59 AM PDT     Moonset
Fri -- 05:42 AM PDT     1.77 knots Max Flood
Fri -- 06:33 AM PDT     Sunrise
Fri -- 08:50 AM PDT     -0.00 knots Slack
Fri -- 11:26 AM PDT     -1.22 knots Max Ebb
Fri -- 02:15 PM PDT     0.00 knots Slack
Fri -- 05:25 PM PDT     Moonrise
Fri -- 05:26 PM PDT     1.56 knots Max Flood
Fri -- 06:51 PM PDT     Sunset
Fri -- 08:08 PM PDT     -0.00 knots Slack
Fri -- 11:37 PM PDT     -2.43 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-2-1.4-0.60.31.11.71.81.40.7-0.1-0.8-1.2-1.2-0.8-0.20.51.11.51.510.1-0.9-1.8-2.3

Weather Map
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GEOS Local Image of Southwest    EDIT
NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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