Sunrise 5:46 AM   Sunset 7:48 PM Moonrise 3:31 PM   Moonset 3:09 AM

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PZZ750 Coastal Waters From San Mateo Point To The Mexican Border And Out To 30 Nm- 222 Am Pdt Sat May 18 2024
Today - Wind variable less than 10 kt, becoming W around 10 kt this afternoon. Seas around 3 ft. Wave detail: W 2 ft at 4 seconds and sw 3 ft at 17 seconds. Tonight - NW wind around 10 kt. Seas 3 to 4 ft. Wave detail: nw 2 ft at 4 seconds, W 1 foot at 12 seconds and sw 3 ft at 18 seconds. Sun - Wind variable less than 10 kt, becoming W around 10 kt in the afternoon. Seas 3 to 4 ft. Wave detail: W 2 ft at 4 seconds, W 3 ft at 11 seconds and sw 3 ft at 18 seconds. Sun night - W wind around 10 kt in the evening, becoming variable less than 10 kt. Seas around 4 ft. Wave detail: W 3 ft at 5 seconds and sw 3 ft at 17 seconds. Mon - SW wind 10 to 15 kt. Seas 4 to 5 ft. Wave detail: W 2 ft at 4 seconds, W 4 ft at 7 seconds and sw 3 ft at 17 seconds. Mon night - W wind 10 to 15 kt in the evening, becoming variable less than 10 kt. Seas 5 to 6 ft. Wave detail: W 4 ft at 5 seconds and sw 3 ft at 17 seconds. Tue - Wind variable less than 10 kt, becoming W around 10 kt in the afternoon and evening, then becoming variable less than 10 kt after midnight. Seas 4 to 5 ft. Wed - Wind variable less than 10 kt, becoming W around 10 kt in the afternoon and evening, then becoming variable less than 10 kt after midnight. Seas around 4 ft.

PZZ700 222 Am Pdt Sat May 18 2024
Synopsis for the far southern california coast - At 2 am, a 1001 mb low was over northern san bernardino county and a 1014 mb high was over the california bight. Weak to moderate onshore flow will continue through Wednesday.

FXUS66 KSGX 181632 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 932 AM PDT Sat May 18 2024

SYNOPSIS
A troughing pattern over the eastern Pacific will persist through the weekend and much of next week. This will bring a deeper marine layer west of the mountains with mostly cloudy conditions, especially closer to the coast. A weak closed upper low will bring some cooler weather by Monday with gusty west winds across the mountains and deserts. Slight warming returns for inland areas by Tuesday into the end of the week with slight day-to-day variations in temperatures.

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

Overnight, a wave embedded in the mean westerly flow aloft brought widespread mid and high clouds which have now moved east.
This morning, the marine layer is about 3500 ft deep and low clouds had spread inland to the coastal slopes but are now starting to clear inland in San Diego County. It looks like Orange County will be last to clear today and the process could be relatively slow due in part to the strength of the inversion.

A dominant, large-scale troughing pattern will persist through much of the coming week. As a result, gusty west to southwest winds will continue across mountains and deserts through early next week. Wind gusts of 20-35 MPH will be common. A weak upper low will move into the region on Monday, becoming an open wave in the process. This will bring some cooling, a deepening of the marine layer and stronger westerly winds. Gusts of 40-50 mph will likely occur in wind-prone locations. Monday will likely be the coolest day, with daytime high temps about 5 degrees below normal in the coastal areas and the deserts. Inland Valley temps could be as much as 12 degrees below normal. Highs temps will range from near 60 degrees at the coast and mountains to near 90 in the lower deserts.

The troughing pattern will through much of next week. After the low passes through, heights will rise by Tuesday, weakening winds and increasing temperatures somewhat, though still slightly below average. Typical May weather will continue through next week, with minor day-to- day variations in temperatures and marine layer cloud cover west of the mountains.

AVIATION
181530Z
Coast/Valleys
BKN/OVC low clouds with bases 1500-2500 ft MSL and tops to 3000-3500 ft MSL with areas of terrain obscurations continuing across the coastal basin this morning and early afternoon. Below the cloud deck vis will mostly be unrestricted.
Clearing will be slow, between 17Z-20Z in the valleys with partial clearing between 20Z-00Z near the coast. Stratus will rapidly spread inland again after 00Z, spreading into the inland valleys again overnight. Little change in bases/tops on Sunday.

Mountains/Deserts...SCT high clouds AOA 20,000 ft MSL through 18Z.
Otherwise, clear skies with unrestricted VIS will prevail through Sun morning. W-SW winds with gusts 25-35 kt will continue through 12Z mainly on the desert mountain slopes and through/east of passes/canyons. W-SW winds strengthen again this afternoon with gusts 30-45 kt through tonight. MOD UDDFS and LLWS will occur at times over/E of the mtns.

MARINE
No hazardous marine conditions are expected through Wednesday.

BEACHES
A series of southwest swells of 2-3 ft at 16-18 seconds from 210-220 degrees will build through Sunday and continue through Tuesday, producing above normal surf of 3-5 ft with locally higher sets on exposed SW facing beaches, as well as a high risk of rip currents at all beaches. Swell and surf will slowly lower beginning 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.

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San Clemente
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Sat -- 01:16 AM PDT     1.26 feet Low Tide
Sat -- 03:08 AM PDT     Moonset
Sat -- 05:47 AM PDT     Sunrise
Sat -- 06:50 AM PDT     3.61 feet High Tide
Sat -- 12:49 PM PDT     0.80 feet Low Tide
Sat -- 03:30 PM PDT     Moonrise
Sat -- 07:17 PM PDT     4.82 feet High Tide
Sat -- 07:46 PM PDT     Sunset
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