Rough water today
forecastNo weather alert for St. Augustine Beach, but the forecast has waves to 5 ft and wind to 20 mph. Fine for a walk, not for a swim.
Rough water today. Overcast, high near 77°. Maybe a passing sprinkle, nothing to plan around. Driest stretch: all day, but dry isn't calm. Keep out of rough water. Breezy, up to 20 mph.
forecastRain OutlookOpen-Meteo
tap an hourTop rain chance is just 13%, but dry doesn't mean calm today. See the surf and wind above.
Tide
0.3 ft · falling ↘
Next low tide
12:24 PM 0.2 ft
T−…
1.9 ft of drop from the 7:54 AM high; the wet sand is widest from about 11:24 AM.
Wind
20 mph
from the NNE
UV Index
Low
easy sunscreen day
Time to Burn
UV 2 · incl. sand glarefor unprotected fair skin (burns easily, tans a little). Low burn risk, but reapply if you are out all afternoon.
An estimate from the standard erythemal dose model, not a medical limit. Darker skin burns more slowly than this, people vary either way, and sunscreen only helps if you use enough of it and reapply.
Rip Current Riskestimated
todayDangerous currents likely. Knee-deep only, lifeguarded sand only.
Caught in one? Don’t fight it. Swim parallel to the beach until you’re free, then angle back in.
Beach Flag
Red Flag
knee-deep only
estimated · trust the lifeguard
Red Tide
Checking…
asking FWC
Stingers & Biters
modelled, not observedBased on wind, water temperature and humidity. Nobody publishes a live count, so this is what conditions favour today.
No-see-umsUnlikely
15 mph breeze around sunset should keep them down.
Water Quality
bacteria testingWater here is sampled by the Florida Healthy Beaches Program at the Anastasia State Park station (1.2 km from the beach centre). We do not restate the result, because the state publishes it only on its own page and a stale copy here could be wrong about today.
Today’s official resultSource: Florida Department of Health
Sargassum WatchNOAA satellite
seaweed outlookLatest 7-day NOAA satellite composite detects moderate sargassum offshore. Some may drift onto the beach. Offshore satellite estimate only — on-the-ground conditions may differ.
Water by Monthtypical
avg 2021–2024Warmest around July (84°), coolest around January (62°).
surf’s up (gently)
Tides are NOAA predictions (St. Augustine Beach station 8720587); temps, wind, UV, waves and water temp are live from Open-Meteo; rip current risk from the NWS surf-zone forecast; red tide from FWC sampling. Flag status is estimated from wave height and wind, so always trust the lifeguard’s actual flag over this app.
Beach with care. The National Weather Service has a Small Craft Advisory out for St. Augustine Beach until 6 AM Friday. Rough water for small boats, kayaks and paddleboards. The water at St. Augustine Beach is 72°F (22°C) today, 6°F cooler than the usual 78°F for October. For swimming it is cool but swimmable. Waves are 5–6 ft (very rough). The air is 74°F, with windy 20 mph winds from the NNE. The UV index reaches 5 (moderate). The National Weather Service rip current risk is high.
The water holds steady around 72°F through Tue Nov 3.
The week ahead at St. Augustine Beach, day by day: the sky, the high, the strongest wind and the biggest waves, the UV peak and the daytime chance of rain, and the water temperature. The calmest day for a swim looks like Tue Nov 3.
| Day | Sky | High | Wind | Waves | UV | Rain | Water |
|---|---|---|---|---|---|---|---|
| Today | Drizzle | 77°F | 20 mph | 5.1 ft | 5 | 10% | 72°F |
| Thu Oct 29 | Showers | 75°F | 21 mph | 4.5 ft | 5 | 26% | 72°F |
| Fri Oct 30 | Drizzle | 82°F | 17 mph | 4.2 ft | 6 | 29% | 72°F |
| Sat Oct 31 | Drizzle | 82°F | 12 mph | 3.9 ft | 6 | 24% | 72°F |
| Sun Nov 1 | Thunderstorms | 77°F | 12 mph | 4 ft | 5 | 53% | 72°F |
| Mon Nov 2 | Drizzle | 82°F | 6 mph | 4.1 ft | 5 | 42% | 72°F |
| Tue Nov 3 | Cloudy | 82°F | 7 mph | 3.9 ft | 5 | 11% | 73°F |
High and low tides for the next 7 days, from NOAA’s predictions for tide station 8720587. Heights are in feet above the average low tide. The shell window is the last hour and a quarter of the ebb and the first three-quarters of the flood around the day’s lowest daylight low, when the most sand is bare; the lowest low of the week is marked.
| Day | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Shell window |
|---|---|---|---|---|---|
| Today | Low 3:36 AM -0.1 | High 10:10 AM 6.5 | Low 4:26 PM 0.3 | High 10:36 PM 5.0 | 3:11 PM–5:11 PM · best |
| Thu Oct 29 | Low 4:26 AM 0.1 | High 11:02 AM 6.4 | Low 5:22 PM 0.5 | High 11:30 PM 4.9 | 4:07 PM–6:07 PM |
| Fri Oct 30 | Low 5:22 AM 0.3 | High 11:57 AM 6.1 | Low 6:25 PM 0.7 | — | 5:10 PM–7:10 PM |
| Sat Oct 31 | High 12:27 AM 4.7 | Low 6:28 AM 0.5 | High 12:56 PM 5.9 | Low 7:31 PM 0.8 | — |
| Sun Nov 1 | High 1:30 AM 4.7 | Low 6:38 AM 0.6 | High 12:59 PM 5.6 | Low 7:35 PM 0.8 | — |
| Mon Nov 2 | High 1:39 AM 4.7 | Low 7:47 AM 0.7 | High 2:05 PM 5.4 | Low 8:35 PM 0.7 | 6:32 AM–8:32 AM |
| Tue Nov 3 | High 2:48 AM 4.8 | Low 8:53 AM 0.7 | High 3:11 PM 5.2 | Low 9:30 PM 0.6 | 7:38 AM–9:38 AM |
The average sea temperature at St. Augustine Beach for each month (2021–2024). The water is warmest in July (84°F) and coolest in January (62°F). It averages 74°F or warmer, comfortable for most swimmers, in May, June, July, August, September, October.
| Month | Water °F | Water °C | For swimming |
|---|---|---|---|
| January | 62°F | 17°C | Chilly |
| February | 63°F | 17°C | Chilly |
| March | 67°F | 19°C | Chilly |
| April | 71°F | 22°C | Cool |
| May | 77°F | 25°C | Comfortable |
| June | 82°F | 28°C | Warm |
| July | 84°F | 29°C | Warm |
| August | 84°F | 29°C | Warm |
| September | 84°F | 29°C | Warm |
| October (now) | 78°F | 25°C | Comfortable |
| November | 72°F | 22°C | Cool |
| December | 66°F | 19°C | Chilly |
Rip currents. Today’s National Weather Service rip current risk is high. If a current pulls you away from shore, don’t fight it: swim parallel to the beach until you are out of it, then swim back in. If you can’t, float and wave for help.
Sun. The UV index peaks at 5 today. Wear SPF 30 and reapply every two hours and after swimming.
Red tide. Florida's state sampling (FWC) has flagged nothing near St. Augustine Beach this week. Red tide can make you cough and sting your eyes near the water.
Seaweed. The NOAA satellite shows moderate sargassum offshore.
Water quality. Water at St. Augustine Beach is sampled by the Florida Healthy Beaches Program at the Anastasia State Park station. Official sampling results →
Dogs. Dogs are allowed right now, on a leash.
Weather alerts in effect: Small Craft Advisory.
Swim near a lifeguard when one is on duty, and follow the beach flags and posted signs. The St. Augustine Beach rules page covers dogs, alcohol, fires and more.
Under 1 ft is calm, good for small children and floating. 1–2 ft is small, fine for most swimmers. 2–4 ft is moderate: fun for bodyboarding, harder for weak swimmers. 4–6 ft is rough, and over 6 ft is dangerous for swimming. Today at St. Augustine Beach it’s very rough.
Under 8 mph is light and pleasant. 8–15 mph is breezy, good for kites and cooler on a hot day. 15–25 mph blows sand and whips up the water. Over 25 mph most people pack up. Today at St. Augustine Beach it’s windy.
0–2 is low, 3–5 moderate, 6–7 high, 8–10 very high and 11 or more extreme. At 8 or more, fair skin can burn in under 20 minutes. The UV index is highest around midday even when it is cloudy.
Under 60°F is cold and most people want a wetsuit. 68–73°F is cool but swimmable. 74–79°F feels comfortable, and 80°F or more feels warm.
72°F (22°C), 6°F cooler than the usual 78°F for October.
At 72°F the water is cool but swimmable. Waves are 5–6 ft, which is very rough. The rip current risk is high.
5–6 ft, which is very rough. The wind is 20 mph from the NNE.
High tide is at 10:10 AM and 10:36 PM, and low tide is at 3:36 AM and 4:26 PM. Times are NOAA predictions.
The UV index peaks at 5 (moderate). Wear SPF 30 and reapply every two hours and after swimming.
The National Weather Service rates the rip current risk at St. Augustine Beach high today. If a current pulls you out, swim parallel to the shore until you are out of it, then swim back in.
Florida's state sampling (FWC) has flagged nothing near St. Augustine Beach this week.
The NOAA satellite shows moderate sargassum offshore.
Highs run 75–82°F over the next 7 days. Rain is likely on Sun Nov 1. The calmest day for a swim looks like Tue Nov 3.
The water at St. Augustine Beach averages about 78°F (25°C) in October.
July is the warmest month, averaging 84°F. January is the coolest, at 62°F.
The water averages 74°F or warmer from May, June, July, August, September and October. July is the warmest, at 84°F.
The usual water temperature in October at the nearest beaches. Tap one for its live conditions.
| Ponte Vedra Beach conditions | 26 mi | 77°F |
|---|---|---|
| Flagler Beach conditions | 27 mi | 79°F |
| Jacksonville Beach conditions | 31 mi | 77°F |
| Neptune Beach conditions | 32 mi | 77°F |
| Ormond Beach conditions | 41 mi | 79°F |
| Daytona Beach conditions | 46 mi | 79°F |
More for St. Augustine Beach: parking · sunset time tonight · things to do · US water temperatures today →