La Highlight

Southern California Faces Wet Weather and Dangerous Surf as Tropical Moisture Reaches Los Angeles

Sienna Ruiz|September 5, 2026

A crashing blue ocean wave with frothy white cresting foam against a calm sea

LOS ANGELES, — Los Angeles and communities across Southern California are experiencing an unusual Labor Day weekend weather pattern as tropical moisture moves toward the region, bringing increased humidity, periods of rain and the possibility of thunderstorms.

The weather system is associated with Hurricane Marie, which remains well offshore but is sending moisture toward Southern California. Forecasters say Sunday has the greatest potential for showers, with rain possible across Los Angeles County throughout the day. The combination of tropical moisture and changing coastal conditions is also creating concerns about high surf and dangerous rip currents along portions of the Southern California coastline.

For Los Angeles residents, the biggest change from typical early-September conditions is the possibility of measurable rainfall during a holiday weekend that would normally be associated with warm and mostly dry weather. Forecast information indicates that many areas could receive roughly one-quarter to one-half inch of rain, although amounts can vary considerably from one location to another.

The foothill and mountain communities are expected to have a greater chance of receiving heavier rainfall. Some locations could also experience brief periods of stronger rain or thunderstorms as tropical moisture moves through the area.

The weather is not limited to rainfall. Coastal conditions are another important part of Sunday's forecast. High surf and strong rip currents are expected along parts of the Los Angeles and Ventura County coastline. Forecasters have warned that waves could reach approximately six to 10 feet in some locations.

Those conditions can make ocean activities more challenging, particularly for inexperienced swimmers and people unfamiliar with recognizing or responding to rip currents. Beachgoers may also encounter rapidly changing conditions even when skies appear relatively calm.

The combination of rain and coastal weather makes this a notable weekend for residents and visitors throughout the Los Angeles region. Labor Day traditionally brings large numbers of people to beaches, parks, outdoor events and other recreational areas, meaning changing conditions could affect plans across Southern California.

The weather system is also a reminder that conditions can vary significantly within the region. Los Angeles County includes coastal communities, densely populated urban areas, valleys and mountainous terrain. A location experiencing only light rain may be relatively close to another area receiving considerably heavier precipitation.

Residents should therefore pay attention to conditions in their immediate area rather than relying solely on what the weather looks like elsewhere in Los Angeles. Mountain and foothill communities, in particular, can experience different rainfall conditions from coastal neighborhoods.

The tropical moisture is expected to remain a factor beyond Sunday, with additional shower possibilities after the Labor Day holiday. That means the unusual weather pattern may not end when the holiday weekend does.

For drivers, wet roads can create additional challenges, especially during the first significant rainfall after an extended dry period. Reduced visibility, standing water and slick road surfaces can make normal travel conditions different from those experienced during Los Angeles' typically dry summer months.

Residents planning outdoor activities should also remain flexible. A morning that begins with manageable conditions can change as showers develop later in the day. People heading toward the coast should pay particular attention to surf conditions and warnings before entering the water.

The broader significance of the weekend weather is the way tropical systems can influence Southern California even when they remain far from the coastline. Hurricane Marie is not expected to make a direct landfall in Los Angeles, but its circulation is helping transport moisture toward the region, producing noticeable effects hundreds of miles from the storm's center.

For Los Angeles residents, the practical takeaway is straightforward: Sunday brings a greater-than-usual chance of rain, while coastal areas face potentially hazardous surf and rip currents. Conditions can vary significantly across the region, so residents should check local forecasts before traveling or making outdoor plans.

As Southern California moves beyond the Labor Day weekend, additional showers could remain possible. The unusual weather provides a notable change from the dry conditions typically associated with Los Angeles in early September and gives residents another reason to keep an eye on local forecasts in the days ahead.

LA Highlight

LA Highlight Contributor

Sienna Ruiz

Covers the local desk, reporting on the neighbourhoods, civic life, and daily news of Los Angeles.


This article features partner, contributor, or branded content from a third party. Members of the LA Highlight editorial staff were not involved in the creation of this content. All views and opinions are those of the contributor alone.

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