Morro Bay, CA Marine Weather and Tide Forecast (2024)

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PZZ645 Point Piedras Blancas To Point Sal Westward Out To 10 Nm- 137 Am Pdt Tue Apr 23 2024

Today - Winds variable 10 kt or less, becoming sw 10 kt in the afternoon. Wind waves 2 ft or less. NW swell 4 to 5 ft at 11 seconds. Patchy drizzle in the morning.

Tonight - W winds 10 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. NW swell 3 to 4 ft at 11 seconds. Patchy drizzle.

Wed - Winds variable 10 kt or less, becoming W 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell nw 2 to 3 ft at 10 seconds and S 2 ft at 15 seconds. Patchy drizzle in the morning.

Wed night - W winds 10 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 9 seconds and S 2 ft at 15 seconds. Patchy drizzle.

Thu - Winds variable 10 kt or less, becoming nw 15 to 25 kt with gusts to 30 kt in the afternoon. Combined seas 3 to 5 ft dominant period 9 seconds. Patchy drizzle in the morning.

Thu night - NW winds 15 to 25 kt with gusts to 30 kt. Combined seas 6 to 8 ft dominant period 7 seconds. Patchy fog after midnight.

Fri - NW winds 15 to 20 kt with gusts to 25 kt. Combined seas 6 to 8 ft.

Sat - NW winds 10 to 20 kt. Wind waves 1 to 3 ft. NW swell 5 to 7 ft.

7 Day Forecast for Marine Location Near Morro Bay, CA

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Area Discussion for - Los Angeles/Oxnard, CA

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FXUS66 KLOX 231046 AFDLOX

Area Forecast Discussion National Weather Service Los Angeles/Oxnard CA 346 AM PDT Tue Apr 23 2024

SYNOPSIS
23/227 AM.

Strong onshore flow and a deep marine layer will bring low clouds and patchy fog and drizzle to the coast and coastal valleys throughout this week. Cool conditions will continue, with high temperatures several degrees below normal each day this week.
A couple of weather disturbances will track across the area as well, bringing a small chance for light rain showers, but more likely just more drizzle. Clearing skies are forecast for the weekend.

.SHORT TERM (TDY-THU)...23/304 AM.

An early preview of June Gloom is on tap for the next three days as a deep marine layer, onshore flow and an approaching trof all conspire to keep a marine stratus deck intact over the csts and most vlys through the three day period.

Currently the marine layer is 2700 ft deep and the onshore push to the N is 5 mb and the push to the E as 6 mb at the afternoon diurnal max these values should be near 6 mb to the north and 9 mb to the E. Much like Monday there will be some morning drizzle and limited or no afternoon clearing. Max temps will not change much across the csts, the vlys will fall 3 to 6 degrees but the cooler air will infiltrate the interior and bring 6 to 12 degrees of cooling. Max temps today will end up 6 to 12 degree blo normals. The strong onshore push will bring gusty just below advisory winds to the interior esp the Antelope Vly. The coasts will experience a stronger and later lasting sea breeze.

Tonight and Wednesday will not look too much different from today as all most all weather parameters look similar. There is a little less onshore flow to the north so its possible that some inland vlys like Ojai and Santa Clarita will see earlier or better clearing.

On Thursday a weak trof will move through the state. By itself this trof will not produce rain, but when it interacts with and lifts the marine layer it could produce some light rain esp near the foothills. More likely it will just produce more drizzle - either way many people will likely need their wipers during the morning commute. There is a smaller chance the the capping inversion will be lifted and mixed out which will cause most of the low clouds to simply dissipate. The marine layer clouds should dissipate in the afternoon in the wake of trod as cooler and mixing should eliminate the marine clouds. The return of afternoon sunshine should overwhelm the limited cool air advection behind the trof and max temps should rise 2 to 5 degrees across most locations. Max temps will still end up 5 to 10 degrees blo normal with max temps across the csts/vlys only in the 60s.

.LONG TERM (FRI-MON)...23/319 AM.

Low confidence in the Friday morning fcst. There is a good chance that the marine inversion will not reform and skies will be mostly clear. But there is a second little piece of energy coming in over the area and the ensembles are trending to another round of low clouds and perhaps some more drizzle. Still the mdls seem to be trending towards a less dynamic system and would not be surprised to see this fcst change. Better confidence in 2 to 3 degrees of warming with ample afternoon sunshine and rising hgts.

Then just in time for the weekend a ridge arrives along with weaker onshore flow or evening weak offshore flow. There will be only limited marine layer clouds and warming each day Saturday through Monday. A few sites will see above normal temps on Sunday and many locations will be above normal on Monday when max temps will mostly be in the 70s and lower 80s across the csts and vlys.

AVIATION
23/1045Z.

At 1030Z, the marine inversion at KLAX was based at 3500 feet.
The top of the inversion was 4800 feet with a temperature of 12 degrees Celsius.

Overall for 12Z

package, low to moderate confidence for coastal/valley TAFs and high confidence for desert TAFs. Lower confidence for coastal/valley sites due to uncertainties in timing of flight category changes. There is a 40% chance of some afternoon clearing at sites with no clearing forecast and also a 40% chance of no afternoon clearing at sites with a clearing forecast.

KLAX...Moderate confidence in 12Z TAF. There is a 40% chance of

12Z-17Z. There is a 30-40% chance that

will dissipate 20Z-04Z. No significant easterly wind component is expected.

KBUR...Moderate confidence in 12Z TAF. There is a 40% chance of

12Z-17Z. There is a 30% chance that

will not dissipate this afternoon.

MARINE
23/1248 AM.

For the Outer Waters, moderate to high confidence in current forecast. Today through Wednesday night, high confidence in winds and seas remaining below Small Craft Advisory (SCA) levels. For Thursday through Saturday, high confidence in combination of

level winds and seas. Across PZZ673/676, there is a 40-50% chance of Gale force winds Thursday afternoon/night and a 20-30% chance Friday afternoon/night.

For the Inner Waters north of Point Sal, moderate to high confidence in current forecast. Today through Wednesday night, high confidence in winds and seas remaining below

levels.
For Thursday through Friday, there is a 60-80% chance of

level winds, especially in the afternoon and evening hours. On Saturday, there is a 40-50% chance of

level winds, especially in the afternoon and evening hours.

For the Inner Waters south of Point Conception, moderate to high confidence in current forecast. Today through Wednesday night, high confidence in winds and seas remaining below

levels. For Thursday through Saturday, there is a 60-80% chance of

level winds with the strongest winds across western sections.

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

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Wind History for Port San Luis, CA

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Tide / Current for Morro Beach, Estero Bay, California

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Morro Beach, Estero Bay, California, Tide feet

Tide / Current for Port San Luis, California

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Port San Luis, California, Tide feet

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