Marine Weather Net

Santa Cruz Island CA to 120W between 150 and 250 NM Offshore Forecast


TONIGHT

NNW
WINDS
10 - 15
KNOTS

THU

NNW
WINDS
5 - 15
KNOTS

THU NIGHT

NW
WINDS
10 - 15
KNOTS

FRI

NW
WINDS
10 - 15
KNOTS

The Marine Weather Forecast In Detail:
PZZ940 Forecast Issued: 245 PM PDT Wed Apr 17 2024

Tonight...N To Nw Winds 10 To 15 Kt. Seas 6 To 8 Ft.
Thu...N To Nw Winds 5 To 15 Kt. Seas 6 To 7 Ft.
Thu Night...Nw Winds 10 To 15 Kt. Seas 5 To 7 Ft.
Fri...Nw Winds 10 To 15 Kt. Seas 5 To 6 Ft.
Fri Night...Nw Winds 10 To 15 Kt. Seas 5 To 6 Ft.
Sat...N To Nw Winds 10 To 15 Kt. Seas 5 To 6 Ft.
Sat Night...N To Nw Winds 15 To 25 Kt. Seas 5 To 6 Ft.
Sun...N To Nw Winds 15 To 25 Kt. Seas 5 To 9 Ft.
Sun Night...Nw Winds 15 To 25 Kt. Seas 8 To 10 Ft.
Mon...Nw Winds 15 To 25 Kt. Seas 8 To 11 Ft.
Mon Night...Nw Winds 15 To 20 Kt. Seas 9 To 10 Ft.
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Area Forecast Discussion
National Weather Service San Diego CA
125pm PDT Wednesday April 17 2024

Synopsis
Warm and dry days will continue through the period with minor day to day changes in the weather expected. A weak shortwave trough will bring subtle cooling over the next couple of days with a deeper marine layer, where clouds and fog will expand in coverage west of the mountains each night and morning, as well as windier conditions across inland areas. High pressure will once again build over the American Southwest and bring slightly warmer temperatures and less wind by the weekend into early next week. A trough will move into the area off the coast sometime by the middle of next week, providing cooler and breezier weather for SoCal.

For Extreme Southwestern California Including Orange... San Diego...Western Riverside and Southwestern San Bernardino Counties
.SHORT TERM (Wednesday through Friday)... A slow and steady period of marine laying mixing has occurred through the day, with partial clearing across the beaches and coastal waters. Clearing will continue slowly across Orange County through the afternoon. As the ridge overhead breaks down today with an approaching trough, the marine layer will deepen, allowing for low clouds and fog to penetrate up to 10 miles inland tonight and Thursday morning. Visibility will not be as low as it is today, though some foggy conditions may occur on elevated terrain. Winds will be fairly week across the mountains and deserts today where areas will see winds 25-40 MPH.

Onshore flow will increase by Thursday, bringing subtle cooling to the region and breezier conditions across inland areas. HREF shows wind probabilities moderate to high in seeing wind gusts over 35 MPH across the mountains and deserts by Thursday afternoon and evening, including places along Interstates 8 & 10 and Route 78 through the Anza Borrego Desert. Winds will be greatest and most widespread on Friday afternoon and night, where these probabilities increase. Friday will cool slightly further, though temperatures will still be near to slightly above average.

.LONG TERM (This Weekend into Next Week)... The weak trough will be replaced by a building area of high pressure off the coast into the desert southwest. This will relax the pressure gradient field, leading to calmer winds across inland areas. High temperatures will also increase as 850mb temperatures exceed 20C, peaking on Sunday. We continue to watch the Coachella Valley and Anza Borrego Desert to see if anyone will hit their first triple digit temperature of the season. NBM probabilities indicated a 40-60% chance of reaching this mark across the Coachella Valley and a 25-45% chance across the Anza Borrego Desert. GFS/ECMWF (European Centre for Medium-Range Weather Forecasts) ensembles differ slightly in timing of the departure of this ridge on Monday or Tuesday, but a trough entering off the coast looks evident sometime by the middle of next week, which will bring cooling to the region with breezier conditions inland.

Marine
No hazardous marine conditions are expected through Sunday.

Beaches
A long-period swell (3 feet/17 seconds/200 deg) from the southern hemisphere will build surf up to 6 feet today through Thursday, especially on south-facing beaches. This will generate a high rip current risk.

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

NOAA San Diego CA Office: Watches - Warnings - Advisories
CA...None. PZ...None.