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

Last updated: 11:10 PM CDT  ·  Refresh
29°C
Feels like 36°
Mostly Cloudy
▲ 35°  /  ▼ 26°
Wind
4 mph SW
Humidity
76%
Dew Point
25°
Pressure
29.92 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
73%
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 1682 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
29°
4%
11 PM
29°
16%
12 AM
29°
9%
1 AM
28°
4%
2 AM
27°
4%
3 AM
27°
4%
4 AM
27°
4%
5 AM
26°
4%
6 AM
26°
4%
7 AM
27°
9%
8 AM
28°
18%
9 AM
29°
18%
10 AM
31°
27%
11 AM
32°
28%
12 PM
33°
28%
1 PM
35°
29%
2 PM
36°
29%
3 PM
36°
30%
4 PM
35°
20%
5 PM
35°
21%
6 PM
35°
5%
7 PM
34°
5%
8 PM
33°
5%
9 PM
31°
5%
7-Day Forecast
Tonight
35° 26°
Mostly Cloudy.
Fri
36° 26°
Mostly Cloudy with a 29% chance of rain.
Sat
36° 25°
Partly Cloudy with a 61% chance of rain.
Sun
36° 24°
Overcast with a 55% chance of rain.
Mon
38° 24°
Fog with a 27% chance of rain.
Tue
38° 24°
Drizzle, 43% chance.
Wed
37° 24°
Rain, 64% chance.
TimeTempConditionsPrecipWindHumidity
Now 29° Mostly Cloudy 4% 4 mph SW 76%
11 PM 29° Overcast 16% 4 mph SW 80%
12 AM 29° Mostly Cloudy 9% 4 mph SW 81%
1 AM 28° Mostly Cloudy 4% 4 mph SW 83%
2 AM 27° Mostly Cloudy 4% 5 mph WSW 85%
3 AM 27° Mostly Cloudy 4% 5 mph WSW 88%
4 AM 27° Mostly Cloudy 4% 4 mph WSW 89%
5 AM 26° Mostly Cloudy 4% 4 mph WSW 90%
6 AM 26° Mostly Cloudy 4% 4 mph WSW 90%
7 AM 27° Mostly Cloudy 9% 6 mph W 84%
8 AM 28° Partly Cloudy 18% 7 mph W 77%
9 AM 29° Mostly Cloudy 18% 8 mph W 70%
10 AM 31° Partly Cloudy 27% 7 mph WSW 64%
11 AM 32° Partly Cloudy 28% 7 mph WSW 58%
12 PM 33° Partly Cloudy 28% 8 mph WSW 52%
1 PM 35° Mostly Cloudy 29% 8 mph WSW 52%
2 PM 36° Mostly Cloudy 29% 8 mph WSW 52%
3 PM 36° Overcast 30% 9 mph WSW 52%
4 PM 35° Mostly Cloudy 20% 8 mph WSW 53%
5 PM 35° Mostly Cloudy 21% 8 mph WSW 56%
6 PM 35° Mostly Cloudy 5% 8 mph WSW 58%
7 PM 34° Mostly Cloudy 5% 8 mph SW 61%
8 PM 33° Mostly Cloudy 5% 8 mph SW 65%
9 PM 31° Mostly Cloudy 5% 8 mph SW 69%
15-Day Forecast
Today
7/30
Mostly Cloudy
4%
26°
35°
Fri
7/31
Mostly Cloudy
29%
26°
36°
Sat
8/1
Partly Cloudy
61%
25°
36°
Sun
8/2
Overcast
55%
24°
36°
Mon
8/3
Fog
27%
24°
38°
Tue
8/4
Drizzle
43%
24°
38°
Wed
8/5
Rain
64%
24°
37°
Thu
8/6
Rain
63%
24°
38°
Fri
8/7
Rain
68%
24°
38°
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%
23°
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, 02:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2214 J/kg
MLCAPE1355 J/kg
MUCAPE2214 J/kg
SBCIN-110 J/kg
MLCIN0 J/kg
Lifted Index-5.1
Kinematics
0–6 km Shear10 kt
0–1 km Shear8 kt
Eff. Shear13 kt
0–1 km SRH-4
0–3 km SRH22
Eff. SRH22
Storm Motion269° @ 17 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.1
Supercell0.3
K-Index16.2
Thermo & Levels
PWAT2.00 in
0–3 km LR5.3 °C/km
700–500 LR6.3 °C/km
Total Totals43.9
LCL946 hPa
LFC856 hPa
EL139 hPa
Freezing Lvl16,929 ft