High Surf Advisory in Effect for Marin on Thursday

MARIN COUNTY, CA -- A large long-period swell is expected to create hazardous conditions on area beaches Nov. 3. Some of the impacts can include:

* Sneaker Waves:

• Large wave sets possible after long periods of small waves
• Large waves may catch people unaware and pull them into the cold, turbulent ocean.
• Lulls in large wave activity may last up to 30 minutes.
• Remain farther back from the water's edge and off of rocks and jetties.

* Rip Currents:

• Long period energetic swell will bring enhanced rip current activity to coastal waters.
• Beach visitors are encouraged to remain away from and out of the water during this swell event.

* Coastal Erosion:

• Long period energetic swell is expected to impact coastal bluffs and dunes.
• Continued sediment transport is likely.
• People or organizations with coastal concerns are encouraged to prepare for this swell event ahead of time.

* Large Surf:

• Surf heights of 22 to 27 feet with larger sets possible.
• Beach visitors are encouraged to remain away from and out of the water during the swell.

Information and graphic courtesy of the Marin County Sheriff's Office.