Beachgoers: Know Your Flags | Weather.com
The Weather Channel

H​ere is a quick guide to understanding what each beach warning flag means and how its particular message can affect your beach day.

By

Bianca Barr

March 27, 2024

Need To Know This Before Heading To Beach This Month

Sign up for the Morning Brief email newsletter to get weekday updates from The Weather Channel and our meteorologists.

Beach warning flags have been used for decades to notify people of many types of ocean hazards.

I​n 2004, the International Life Saving Federation developed international guidelines for warning flags.

Weather in your inbox
By signing up you agree to the Terms & Privacy Policy. Unsubscribe at any time.

H​ere is a quick guide to understanding what each beach warning flag means and how its particular message can affect your beach day, according to the United States Lifesaving Association.

Y​ellow

yellow beach flag

(Getty Images/Cyndi Monaghan)

T​his indicates a medium hazard where moderate surf is present.

R​ed

Red Flag Warning On Beach

Red Flag Warning on flooded beach

(Getty Images/Monica Murphy)

Th​ere is a high hazard. Swimmers are discouraged to enter the water because of rough conditions.

D​ouble Red

double red beach flag

(Getty Images/Joe Raedle/Staff)

If you see two red flags on one flagpole, t​he water is closed to the public.

P​urple

Purple Beach Warning Flag

The beach at Robert Moses State Park on Fire Island, NY.

(Getty Images/Joseph Trentacosti)

M​arine pests like jellyfish or stingrays are present when a purple flag is raised. These animals could cause minor injury. This flag does not indicate the presence of sharks.

R​ed/Yellow

Red Yellow Beach Warning Flag 2

(Getty Images/Stefan Sauer/picture alliance)

When there is a flag that's half-red and half-yellow, it means you are in a recommended swimming area with lifeguards nearby.

B​lack/White

black white flag

(Getty Images/Simon McGill)

T​hese quartered flags may be used in pairs to indicate a designated area for surfboards and other non-powered watercraft.

Y​ellow With Black Ball

yellow black flag

(Getty Images/Studio One-One)

W​hen you see this color combination, the flag indicates that surfboards and other non-powered watercraft are not allowed in that area of the beach.

O​range Windsock

Orange Windsock Beach Warning Flag

RNLI Flag and Orange windsock and Beach Warning Flags indicating sea hazard on a sandy beach in UK

(Getty Images/Ballygally View Images)

If offshore winds make it unsafe to use inflatable objects in the water, lifeguards will raise an orange windsock.

R​ed/White

red white flag

(Getty Images/igaguri_1)

This red and white quartered flag, similar to this one located here on the top of the flagpole, means there is an emergency evacuation. Swimmers should leave the water because of an emergency. The double red flags could also be used in this type of situation.