Shark Weather

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St. Augustine Beach (pier)

Shark Weather report · updated Sun Oct 18, 11:06 pm ET

Sunrise7:28 am
Sunset6:51 pm
Tides todayHigh 2:00 am 4.0 ftLow 8:11 am 1.5 ftHigh 2:29 pm 4.7 ftLow 9:06 pm 1.6 ft

Sunrise/sunset calculated for this beach’s location (NOAA solar equations, ±2 min). Tides: NOAA CO-OPS predictions, St. Augustine Beach (8720587), 0 km away, feet above MLLW.

Heads up: Shark Weather is not a lifeguard or an official warning system. Always follow posted signs and lifeguard instructions. In an emergency call 911.
Conditions score
4
Fair
Waves 1/4 + wind 0/3 + water 3/3 = 4

Surf/swim conditions only, never shark risk. How it's calculated

Shark advisory status · official only
No official advisory on file

We have no approved official shark advisory or closure for this beach right now. Sharks live along this whole coast, so always check with lifeguards and posted signs.

No past official advisories on file for this beach yet. How this works

SwellENE 4.3 ft @ 11.1 sThis swell reaches here well (estimate)
Wind nowStrong onshore26 mph from NE: choppy, blown out
Best window tomorrow

11 AM–2 PM · breezy (up to 23 mph), mid tide, rising

💨 Mid-window wind: Strong cross-shore, 22 mph from N: choppy

⚠ High Surf Advisory, Rip Current Statement, High rip current risk (NWS) in effect: even the best window may be rough. Check the alerts above.

Daylight hours only (sunrise 7:29 am, sunset 6:50 pm). From the NWS hourly forecast (wind) and NOAA CO-OPS hourly tide predictions (St. Augustine Beach, 0 km away). Surf/swim conditions only, not a safety rating. How it works

Active NWS alerts

⚠ High Surf Advisory

High Surf Advisory issued October 18 at 7:36PM EDT until October 20 at 2:00AM EDT by NWS Jacksonville FL

Details from NWS

* WHAT...For the High Surf Advisory, large breaking waves of 7 to 11 feet. For the High Rip Current Risk, dangerous rip currents. * WHERE...Southeast Georgia and Northeast Florida Beaches. * WHEN...For the High Surf Advisory, until 2 AM EDT Tuesday. For the High Rip Current Risk, through late Monday night. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.

Source: NWS Jacksonville FL · until Tue Oct 20, 2:00 am ET

⚠ Rip Current Statement

Rip Current Statement issued October 18 at 7:36PM EDT until October 20 at 2:00AM EDT by NWS Jacksonville FL

Details from NWS

* WHAT...For the High Surf Advisory, large breaking waves of 7 to 11 feet. For the High Rip Current Risk, dangerous rip currents. * WHERE...Southeast Georgia and Northeast Florida Beaches. * WHEN...For the High Surf Advisory, until 2 AM EDT Tuesday. For the High Rip Current Risk, through late Monday night. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.

Source: NWS Jacksonville FL · until Tue Oct 20, 2:00 am ET

7-day outlook

Today Oct 18

/ 67°
Partly Cloudy
Wind 23 to 26 mph NE
onshore: choppy, blown out
Rain 8%
Waves 8–10 ft

Mon Oct 19

74° / 63°
Mostly Sunny
Wind 24 mph N
cross-shore: choppy
Rain 2%
Waves 9–11 ft

Tue Oct 20

75° / 65°
Sunny
Wind 13 to 17 mph N
cross-shore: choppy
Rain 0%
Waves —

Wed Oct 21

77° / 63°
Sunny
Wind 13 to 20 mph N
cross-shore: choppy
Rain 1%
Waves —

Thu Oct 22

75° / 64°
Sunny
Wind 10 to 18 mph N
cross-shore: choppy
Rain 0%
Waves —

Fri Oct 23

76° / 66°
Sunny
Wind 10 to 24 mph NE
onshore: choppy, blown out
Rain 28%
Waves —

Sat Oct 24

76° / 65°
Rain Showers Likely
Wind 21 to 32 mph NE
onshore: choppy, blown out
Rain 66%
Waves —

Weather, wind and rain chance: National Weather Service (Tonight onward), updated Sun Oct 18, 7:36 pm ET. High / overnight low. “n/a” = NWS gave no rain chance. Waves: NWS surf zone forecast (Nassau-Duval-Flagler-St. Johns), issued Sun Oct 18, 5:00 pm ET; it only covers the next few days, so “—” means no official wave forecast.

Conditions

Waves

9.5 ft

Significant wave height 2.9 m · dominant period 7 s · from 37° (NE)

St. Augustine buoy, 24 km away, as of 9:26 pm ET · NOAA NDBC · Data courtesy of CDIP (station 194). Buoys measure offshore; breaking surf at the beach can differ.

Surf zone forecastNWS

High Surf Advisory In Effect Until 2 Am Edt TuesdayHigh Rip Current Risk In Effect Through Late Monday Night
PeriodRest Of Today
Surf height8 to 10 feet
Rip current riskHigh
Water temp (NWS)75 to 80
Remarks

Nassau-Duval-Flagler-St. Johns · issued Sun Oct 18, 5:00 pm ET · NWS Surf Zone Forecast

Water temp

79°F

Wetsuit meter: today 79°F, swimsuit / boardshorts

St. Augustine buoy (CDIP 194), 24 km away, as of 9:26 pm ET · Data courtesy of CDIP. The wetsuit meter is a general comfort guide.

Weather & wind

Tonight: Partly Cloudy, 67°F, wind 23 to 26 mph NE

  • Monday: Mostly Sunny, 74°
  • Monday Night: Partly Cloudy, 63°

National Weather Service (JAX) forecast, updated Sun Oct 18, 7:36 pm ET

💨 Strong onshore, 26 mph from NE: choppy, blown out (how)

Tides today

TideTime (ET)Height
High2:00 am4.0 ft
Low8:11 am1.5 ft
High2:29 pm4.7 ft
Low9:06 pm1.6 ft

NOAA CO-OPS predictions, St. Augustine Beach (8720587), 0 km away · feet above MLLW

Water quality

Official status: Florida Healthy Beaches (Florida Department of Health) · Florida Department of Health in St. Johns County

The state samples beach water for enterococci bacteria: Good 0–35, Moderate 36–70, Poor 71 or more per 100 mL. If a result is above 70 and a resample is too, the county issues an advisory for that site. We haven’t found an official machine-readable feed we’re allowed to reuse, so we link to the official results instead of showing a status.

Florida Department of Health, Healthy Beaches Program (checked 2026-10-18).

Lifeguards

St. Johns County Fire Rescue, Marine Rescue

Official site. Ask the nearest tower about conditions, rip currents and any wildlife sightings.

In an emergency call 911.

Beach warning flags

  • Double red: Water is closed to the public.
  • Red: High hazard: high surf and/or strong currents.
  • Yellow: Medium hazard: moderate surf and/or currents.
  • Green: Low hazard: calm conditions, exercise caution.
  • Purple: Dangerous marine life spotted.

Florida uses one statewide set of beach warning flags (section 380.276, Florida Statutes). No flag flying does not mean the water is safe. Lifeguards post today’s flags at the beach.

Meanings: Volusia County Beach Safety. Program: Florida DEP Beach Warning Flag Program.

SwellNDBC

Primary swellENE 4.3 ft @ 11.1 s
Wind waves (secondary)NE 8.5 ft @ 6.7 s

This swell reaches here well (by our estimated swell window)

Swell window for this beach (estimate)

Reaches well from: 15–140° · partly from: 141–165° (directions the swell comes from, degrees true). East-facing open Atlantic beach. Estimate only: bearings read from coastline orientation and generally known exposure, roughly ±15°, not surveyed.

St. Augustine buoy (41117), 24 km offshore, spectral summary as of 9:26 pm ET · NOAA NDBC · Data courtesy of CDIP (station 194). Height in feet (converted from meters), period in seconds, direction the waves come from.

Beach info

LifeguardsSt. Johns County Marine Rescue lifeguards: Memorial Day weekend to Labor Day weekend, 10:00 am to 6:00 pm, weather permitting.

From official pages: sjcfl.us · page 2. Checked 2026-10-18. Rules, fees and hours change; follow posted signs and lifeguards.