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St. Johns County weather alerts

4 active alerts for St. Johns County, Florida right now: 2 Rip Current Statements and 2 Coastal Flood Advisories.

44 in the last 30 days 260 in 12 months (since Aug 30) most common: Coastal Flood Advisory Get alerts on your phone →

Active alerts for St. Johns County

Refreshed every few minutes; times in EDT.

Moderate Expected

Rip Current Statement

Issued Thu, Oct 22, 1:32 PM EDT by NWS Jacksonville FL Until Sat, Oct 24, 2:00 AM EDT (in 1 day)

Area: Coastal Duval; Coastal Flagler; Southeast Coastal St. Johns

* WHAT...For the Coastal Flood Advisory, minor coastal flooding. For the High Rip Current Risk, dangerous rip currents. * WHERE...Coastal Duval, Coastal Flagler and Southeast Coastal St. Johns Counties. * WHEN...For the Coastal Flood Advisory, until 2 AM EDT Saturday. For the High Rip Current Risk, through late Friday night. * IMPACTS...Flooding of lots, ...

What it means: Rip currents that can pull swimmers offshore are expected. Swim near a lifeguard and know how to escape a rip.

Full alert with map and forecast →
Moderate Expected

Rip Current Statement

Issued Thu, Oct 22, 1:32 PM EDT by NWS Jacksonville FL Until Sat, Oct 24, 2:00 AM EDT (in 1 day)

Area: Coastal Nassau; Northeast Coastal St. Johns; Coastal Glynn; Coastal Camden

* WHAT...Dangerous rip currents. * WHERE...Southeast Georgia Beaches. * WHEN...Through late Friday night. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water.

What it means: Rip currents that can pull swimmers offshore are expected. Swim near a lifeguard and know how to escape a rip.

Full alert with map and forecast →
Minor Expected

Coastal Flood Advisory

Issued Thu, Oct 22, 1:32 PM EDT by NWS Jacksonville FL Until Sat, Oct 24, 2:00 AM EDT (in 1 day)

Area: Coastal Duval; Coastal Flagler; Southeast Coastal St. Johns

* WHAT...For the Coastal Flood Advisory, minor coastal flooding. For the High Rip Current Risk, dangerous rip currents. * WHERE...Coastal Duval, Coastal Flagler and Southeast Coastal St. Johns Counties. * WHEN...For the Coastal Flood Advisory, until 2 AM EDT Saturday. For the High Rip Current Risk, through late Friday night. * IMPACTS...Flooding of lots, ...

What it means: Minor coastal flooding is expected, usually around high tide. Expect water on low-lying roads near the shore.

Full alert with map and forecast →
Minor Expected

Coastal Flood Advisory

Issued Thu, Oct 22, 1:32 PM EDT by NWS Jacksonville FL Until Sat, Oct 24, 2:00 AM EDT (in 1 day)

Area: Inland Flagler; Eastern Clay; Eastern Putnam; Trout River; South Central Duval; Western St. Johns

* WHAT...Minor coastal flooding. * WHERE...St Johns River Basin. * WHEN...Until 2 AM EDT Saturday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected.

What it means: Minor coastal flooding is expected, usually around high tide. Expect water on low-lying roads near the shore.

Full alert with map and forecast →

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Where

St. Johns County on the map

Alert polygons are NWS's own. Forecast Bar's radar shows the same warnings over live precipitation, with future radar and lightning. See the radar.

Last 30 days

Recent alerts for St. Johns County

AlertIssuedEndedIssued by
Coastal Flood Advisory 4:43 AM Oct 24, 2:00 AM Jacksonville FL
Coastal Flood Advisory 4:43 AM Oct 24, 2:00 AM Jacksonville FL
Rip Current Statement 4:43 AM Oct 24, 2:00 AM Jacksonville FL
Rip Current Statement 4:43 AM Oct 24, 2:00 AM Jacksonville FL
Coastal Flood Advisory 1:16 AM Oct 23, 3:00 PM Jacksonville FL
Rip Current Statement 1:16 AM Oct 24, 2:00 AM Jacksonville FL
Rip Current Statement 1:16 AM Oct 24, 2:00 AM Jacksonville FL
Coastal Flood Advisory 1:16 AM Oct 23, 3:00 PM Jacksonville FL
Coastal Flood Advisory Oct 21, 1:31 PM 4:00 PM Jacksonville FL
Rip Current Statement Oct 21, 1:31 PM Oct 23, 2:00 AM Jacksonville FL
Rip Current Statement Oct 21, 1:31 PM Oct 23, 2:00 AM Jacksonville FL
Coastal Flood Advisory Oct 21, 1:31 PM 4:00 PM Jacksonville FL
Coastal Flood Advisory Oct 21, 2:24 AM 4:00 PM Jacksonville FL
Rip Current Statement Oct 21, 2:24 AM Oct 23, 2:00 AM Jacksonville FL
Rip Current Statement Oct 21, 2:24 AM Oct 23, 2:00 AM Jacksonville FL
Coastal Flood Advisory Oct 21, 2:24 AM 4:00 PM Jacksonville FL
Rip Current Statement Oct 20, 12:10 PM Oct 23, 2:00 AM Jacksonville FL
High Surf Advisory Oct 20, 12:10 PM Oct 21, 2:00 AM Jacksonville FL
Coastal Flood Advisory Oct 20, 12:10 PM 4:00 AM Jacksonville FL
Coastal Flood Advisory Oct 20, 12:10 PM 4:00 AM Jacksonville FL
Coastal Flood Advisory Oct 20, 5:01 AM 4:00 AM Jacksonville FL
Rip Current Statement Oct 20, 5:01 AM Oct 23, 2:00 AM Jacksonville FL
Coastal Flood Advisory Oct 20, 5:01 AM 4:00 AM Jacksonville FL
High Surf Advisory Oct 20, 5:01 AM Oct 21, 2:00 AM Jacksonville FL
High Surf Advisory Oct 20, 2:26 AM Oct 21, 2:00 AM Jacksonville FL
Coastal Flood Advisory Oct 20, 2:26 AM 4:00 AM Jacksonville FL
Rip Current Statement Oct 20, 2:26 AM Oct 23, 2:00 AM Jacksonville FL
Coastal Flood Advisory Oct 20, 2:26 AM 4:00 AM Jacksonville FL
Coastal Flood Advisory Oct 19, 9:56 AM 4:00 AM Jacksonville FL
High Surf Advisory Oct 19, 9:56 AM Oct 20, 8:00 PM Jacksonville FL
Coastal Flood Advisory Oct 19, 9:56 AM 4:00 AM Jacksonville FL
Rip Current Statement Oct 19, 9:56 AM 4:00 AM Jacksonville FL
Rip Current Statement Oct 19, 2:26 AM 4:00 AM Jacksonville FL
High Surf Advisory Oct 19, 2:26 AM Oct 20, 10:00 AM Jacksonville FL
Coastal Flood Advisory Oct 19, 2:26 AM Oct 20, 8:00 PM Jacksonville FL
Coastal Flood Advisory Oct 19, 2:26 AM Oct 20, 8:00 PM Jacksonville FL
Coastal Flood Advisory Oct 18, 7:36 PM Oct 19, 11:00 AM Jacksonville FL
Rip Current Statement Oct 18, 7:36 PM Oct 20, 2:00 AM Jacksonville FL
High Surf Advisory Oct 18, 7:36 PM Oct 20, 2:00 AM Jacksonville FL
Wind Advisory Oct 18, 1:52 PM Oct 19, 2:00 AM Jacksonville FL

Pattern

What St. Johns County gets alerted for

Every alert that named St. Johns County in the last 12 months, by type. Records begin August 30, 2026, so this fills in over the year.

Coastal Flood Advisory
76
Rip Current Statement
58
Special Weather Statement
40
Flood Advisory
31
High Surf Advisory
22
Severe Thunderstorm Warning
10
Flash Flood Warning
6
Flood Watch
6
Wind Advisory
5
Coastal Flood Warning
4
Flood Warning
2

Plain English

What these alerts mean

A warning means the hazard is happening or about to; a watch means conditions favour it; an advisory is a lesser hazard still worth planning around.

Rip Current Statement

Rip currents that can pull swimmers offshore are expected. Swim near a lifeguard and know how to escape a rip.

Coastal Flood Advisory

Minor coastal flooding is expected, usually around high tide. Expect water on low-lying roads near the shore.

High Surf Advisory

Large breaking waves are expected on beaches, with dangerous rip currents. Stay off jetties and out of the water.

Wind Advisory

Sustained winds of 30 mph or more, or gusts to 45 mph, are expected. Use caution driving high-profile vehicles.

Special Weather Statement

A heads-up about conditions that do not meet warning or advisory criteria but still deserve attention, such as a strong storm, patchy fog or a brief burst of snow.

Flood Advisory

Minor flooding of streets, streams or low-lying areas is expected. Expect ponding on roads and use caution when driving.

Severe Thunderstorm Warning

A storm with hail of 1 inch or larger, winds of 58 mph or more, or both, is occurring or imminent. Move indoors and away from windows.

Flash Flood Warning

Flash flooding is occurring or imminent. Move to higher ground; never drive into water covering a road.

Flood Watch

Conditions are favourable for flooding. Have a plan in case a warning is issued.

Coastal Flood Warning

Significant coastal flooding is occurring or imminent, typically at high tide. Move away from low-lying shoreline areas.

Flood Warning

Flooding of rivers, streams or low-lying areas is occurring or expected. Avoid flooded roads and monitor river levels.

Nearby

Alerts near St. Johns County

Neighbouring counties in Florida

Clay County1 Putnam County1 Duval County3 Flagler County3 All of Florida →

Questions

About St. Johns County alerts

How do I get St. Johns County weather alerts on my iPhone?

Install Forecast Bar, add St. Johns County as a location, and turn on severe weather alerts. Every NWS warning, watch and advisory for St. Johns County then arrives as a push notification at the moment of issue, with Critical Alerts available for the most dangerous warnings. Forecast Bar also runs on iPad, Apple Watch, Mac and Apple TV.

Where do these alerts come from?

From the National Weather Service alert feed (api.weather.gov). NWS issues alerts by county and by forecast zone; this page lists every product that names St. Johns County. Forecast Bar checks the feed continuously and this page refreshes within a few minutes of a change.

What is the difference between a watch, a warning and an advisory?

A warning means the hazard is occurring, imminent or very likely: act now. A watch means conditions are favourable for it to develop: prepare and stay informed. An advisory covers a hazard that is less serious than a warning but can still cause real inconvenience or danger if you are not ready for it.

Can I get this data as JSON?

Yes. /weather-alerts/fl/st-johns-county.json returns the active alerts, the last 30 days and the 12-month counts for St. Johns County, refreshed every minute. Please cache responses and credit National Weather Service as the source.

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