Potrero, CA Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Potrero, CA

April 21, 2024 1:41 AM PDT (08:41 UTC) Change Location
Sunrise 6:08 AM   Sunset 7:20 PM
Moonrise 5:34 PM   Moonset 5:02 AM 
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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.

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Marine Forecasts
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PMZ009 Mexico Border S To 30n Within 60 Nm Of Shore- 743 Pm Pdt Sat Apr 20 2024

Tonight - NW winds 10 to 15 kt. Seas 3 to 5 ft. Period 18 seconds.

Sun - N of 31n, variable winds less than 5 kt. S of 31n, variable winds less than 5 kt, becoming W to nw 10 kt in the afternoon. Seas 3 to 5 ft. Period 17 seconds.

Sun night - Variable winds less than 5 kt. Seas 3 to 5 ft in S swell. Period 16 seconds.

Mon - Variable winds less than 5 kt, becoming W 10 kt in the afternoon. Seas 4 to 6 ft in sw to W swell. Period 16 seconds.

Mon night - NW winds 10 kt. Seas 4 to 6 ft in W to nw swell. Period 14 seconds.

Tue - NW winds 10 kt. Seas 4 to 6 ft in W to nw swell. Period 14 seconds.

Tue night - NW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds.

Wed - NW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds.

Wed night - NW winds 10 to 15 kt N of 31n, and nw 15 to 20 kt S of 31n. Seas 4 to 6 ft. Period 14 seconds.

Thu - NW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds.

Thu night - NW winds 10 to 15 kt. Seas 3 to 5 ft. Period 12 seconds.

PMZ005
No data


7 Day Forecast for Marine Location Near Potrero, CA
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Area Discussion for - San Diego, CA
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FXUS66 KSGX 210429 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 929 PM PDT Sat Apr 20 2024

SYNOPSIS
High pressure across the region will warm things up across the region through Monday. Night and morning low clouds and fog will occur west of the mountains, staying closer to the coast the next few mornings. An area of low pressure off the coast will begin to impact the region by Tuesday into the end of next week, leading to cooler, breezier and potentially wetter weather.

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

Low clouds have returned to the San Diego County coastal areas this evening. The 00Z KNKX sounding shows the marine inversion base near 1,800 ft MSL, down significantly from the near 3,000 ft this morning. Low clouds will extend into the western valleys overnight, but elsewhere skies will remain mostly clear. Breezy winds through the mountain passes and locally into the deserts will diminish overnight.

The upper level ridge axis is currently near the Central California coast and will progress eastward into Sunday. This will bring a continued warming trend with the marine layer becoming more shallow. Highs on Sunday will reach the upper 80s to around 90 in the inland valleys and high deserts, and upper 90s to around 100 in the low deserts. This could be the first 100 degree day at Palm Springs so far this year, though they were close with a high of 98 degrees twice already this month. The upper ridge is pushed further east on Tuesday in response to an upper level trough beginning to amplify over the East Pac. Stronger onshore flow will help spread cooling inland on Monday, most notably for the mountains westward, while the deserts only cool by a degree or two.

The trough begins to split with a closed low eventually forming in the base of the trough sometime late Monday into Tuesday while gradually progressing eastward, bringing continued cooling and gusty southwest to west winds in the mountains and deserts.
Ensembles really begin to diverge in the evolution of this low as we head into the latter half of the week, with the GEFS and it's deterministic counterpart on the much faster end of the guidance, bringing the main trough axis through by Wednesday evening or so, while the EPS and Canadian Ens don't bring it through until Thursday morning. Either way, this will continue the cooling trend, but the timing will have implications on the potential for any (very light) precipitation. Right now the moisture with this first wave is somewhat limited and the trough is so amplified that the vort max actually passes to our south. Ensembles are all showing only trace amounts of precipitation, so this could well be a marine layer drizzle situation. Winds will continue to strengthen, but not substantially so with the weaker flow aloft as the core of the low moves overhead.

The first trough quickly kicks out by late Thursday with cyclonic flow and cool weather remaining into Friday. Another more potent trough drops down from the northwest by the weekend, continuing cool and breezy weather. This second wave is forecast to have deeper moisture associated with it for a better (20-30%) chance of precipitation sometime Friday into Saturday, though slight (15%)
chances may begin as early as Thursday evening. Enjoy the couple days of warm weather we have now, because highs will be back to around 5 to as much as 15 degrees below normal for Wednesday through Saturday.



AVIATION
210335Z
Coast/Valleys
Low clouds moving into coastal San Diego County at this hour, with bases around 1500 ft MSL and tops around 1900 ft MSL. Low clouds will spread 15-20 miles inland by 15Z. Bases will lower overnight and could go below 1000 ft MSL in some areas between 10Z and 16Z. CIG and VIS impacts expected at coastal TAF sites but about a 30 percent chance at KONT after 11Z and less than 10 percent chance at KSBD. Expect clearing to the coast 17Z-19Z with clouds persisting at the beaches into Sun afternoon.

Mountains/Deserts...Mostly clear skies with unrestricted VIS through Sun morning.

MARINE
No hazardous marine conditions are expected through 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.




Weather Reporting Stations
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Wind History for La Jolla, CA
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KSDM63 sm48 mincalm9 smOvercast57°F54°F88%30.03
Link to 5 minute data for KSDM


Wind History from SDM
(wind in knots)
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Tide / Current for Ensenada, Baja California Norte, Mexico
   
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Ensenada
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Sun -- 02:31 AM PDT     0.20 meters Low Tide
Sun -- 05:01 AM PDT     Moonset
Sun -- 06:10 AM PDT     Sunrise
Sun -- 08:30 AM PDT     1.32 meters High Tide
Sun -- 02:24 PM PDT     0.23 meters Low Tide
Sun -- 05:33 PM PDT     Moonrise
Sun -- 07:20 PM PDT     Sunset
Sun -- 08:37 PM PDT     1.52 meters High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Ensenada, Baja California Norte, Mexico, Tide feet
12
am
0.6
1
am
0.4
2
am
0.2
3
am
0.2
4
am
0.4
5
am
0.6
6
am
0.9
7
am
1.2
8
am
1.3
9
am
1.3
10
am
1.2
11
am
0.9
12
pm
0.6
1
pm
0.4
2
pm
0.2
3
pm
0.3
4
pm
0.4
5
pm
0.7
6
pm
1
7
pm
1.3
8
pm
1.5
9
pm
1.5
10
pm
1.4
11
pm
1.1



Tide / Current for Ensenada, Baja California Norte, Mexico (2)
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Ensenada
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Sun -- 02:31 AM PDT     0.21 meters Low Tide
Sun -- 05:01 AM PDT     Moonset
Sun -- 06:10 AM PDT     Sunrise
Sun -- 08:29 AM PDT     1.35 meters High Tide
Sun -- 02:24 PM PDT     0.23 meters Low Tide
Sun -- 05:33 PM PDT     Moonrise
Sun -- 07:20 PM PDT     Sunset
Sun -- 08:37 PM PDT     1.56 meters High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Ensenada, Baja California Norte, Mexico (2), Tide feet
12
am
0.7
1
am
0.4
2
am
0.2
3
am
0.2
4
am
0.4
5
am
0.6
6
am
0.9
7
am
1.2
8
am
1.3
9
am
1.3
10
am
1.2
11
am
0.9
12
pm
0.6
1
pm
0.4
2
pm
0.2
3
pm
0.3
4
pm
0.4
5
pm
0.7
6
pm
1
7
pm
1.3
8
pm
1.5
9
pm
1.6
10
pm
1.4
11
pm
1.1




Weather Map
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San Diego, CA,



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