Coastal waters from St. Augustine to Flagler Beach FL out 20 NM, AM

Last updated: 9:45 PM CDT  ·  Refresh
31°C
Feels like 37°
Mostly Cloudy
▲ 35°  /  ▼ 26°
Wind
5 mph SW
Humidity
73%
Dew Point
25°
Pressure
29.90 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
81%
Sunrise
6:21 AM
Sunset
8:00 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Coastal waters from St. Augustine to Flagler Beach FL out 20 NM is currently mostly cloudy at 30°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2094 J/kg) — isolated convective development possible. Sunrise: 6:21AM · Sunset: 8:00PM.

Alerts

No active alerts for this location.
55 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
4%
10 PM
30°
16%
11 PM
29°
16%
12 AM
29°
16%
1 AM
28°
4%
2 AM
28°
4%
3 AM
27°
4%
4 AM
27°
4%
5 AM
26°
4%
6 AM
26°
5%
7 AM
27°
10%
8 AM
28°
18%
9 AM
29°
18%
10 AM
31°
28%
11 AM
32°
28%
12 PM
33°
29%
1 PM
35°
29%
2 PM
36°
30%
3 PM
36°
30%
4 PM
36°
21%
5 PM
36°
21%
6 PM
35°
11%
7 PM
34°
5%
8 PM
33°
5%
7-Day Forecast
Tonight
35° 26°
Mostly Cloudy.
Fri
36° 26°
Mostly Cloudy with a 30% chance of rain.
Sat
36° 26°
Mostly Cloudy with a 41% chance of rain.
Sun
36° 24°
Mostly Cloudy with a 56% chance of rain.
Mon
38° 24°
Clear with a 29% chance of rain.
Tue
38° 24°
Drizzle, 51% chance.
Wed
37° 24°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 31° Mostly Cloudy 4% 5 mph SW 72%
10 PM 30° Overcast 16% 5 mph SW 77%
11 PM 29° Mostly Cloudy 16% 5 mph SW 79%
12 AM 29° Mostly Cloudy 16% 4 mph WSW 80%
1 AM 28° Overcast 4% 4 mph WSW 82%
2 AM 28° Overcast 4% 5 mph WSW 84%
3 AM 27° Overcast 4% 5 mph WSW 87%
4 AM 27° Overcast 4% 4 mph WSW 88%
5 AM 26° Mostly Cloudy 4% 4 mph WSW 89%
6 AM 26° Mostly Cloudy 5% 4 mph WSW 90%
7 AM 27° Mostly Cloudy 10% 5 mph WSW 86%
8 AM 28° Partly Cloudy 18% 7 mph W 80%
9 AM 29° Partly Cloudy 18% 8 mph W 74%
10 AM 31° Mostly Cloudy 28% 8 mph WSW 67%
11 AM 32° Mostly Cloudy 28% 8 mph WSW 60%
12 PM 33° Mostly Cloudy 29% 8 mph WSW 54%
1 PM 35° Mostly Cloudy 29% 8 mph WSW 52%
2 PM 36° Mostly Cloudy 30% 8 mph WSW 52%
3 PM 36° Mostly Cloudy 30% 8 mph WSW 52%
4 PM 36° Mostly Cloudy 21% 8 mph WSW 53%
5 PM 36° Overcast 21% 8 mph WSW 55%
6 PM 35° Overcast 11% 8 mph WSW 57%
7 PM 34° Overcast 5% 8 mph SW 60%
8 PM 33° Mostly Cloudy 5% 8 mph SW 64%
15-Day Forecast
Today
7/30
Mostly Cloudy
4%
26°
35°
Fri
7/31
Mostly Cloudy
30%
26°
36°
Sat
8/1
Mostly Cloudy
41%
26°
36°
Sun
8/2
Mostly Cloudy
56%
24°
36°
Mon
8/3
Clear
29%
24°
38°
Tue
8/4
Drizzle
51%
24°
38°
Wed
8/5
Rain
63%
24°
37°
Thu
8/6
Rain
63%
24°
37°
Fri
8/7
Rain
68%
24°
37°
Sat
8/8
Rain
68%
24°
37°
Sun
8/9
Drizzle
60%
24°
38°
Mon
8/10
Drizzle
60%
24°
38°
Tue
8/11
Drizzle
60%
24°
37°
Wed
8/12
Drizzle
60%
24°
37°
Thu
8/13
Drizzle
60%
23°
38°
55
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
55 AQI 11.5 µg/m³
O3
Ground-level ozone
31 AQI 33 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 55 Moderate 31 55
Sat 49 Good 26 49
Sun 42 Good 28 42
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Fri Jul 31, 01:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2343 J/kg
MLCAPE1069 J/kg
MUCAPE2343 J/kg
SBCIN-110 J/kg
MLCIN0 J/kg
Lifted Index-5.6
Kinematics
0–6 km Shear9 kt
0–1 km Shear7 kt
Eff. Shear12 kt
0–1 km SRH-6
0–3 km SRH0
Eff. SRH0
Storm Motion270° @ 19 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index18.1
Thermo & Levels
PWAT1.92 in
0–3 km LR5.9 °C/km
700–500 LR6.1 °C/km
Total Totals44.4
LCL931 hPa
LFC854 hPa
EL137 hPa
Freezing Lvl16,978 ft