Small Craft Advisory — Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM, AM, Coastal waters from St. Augustine to Flagler Beach FL out 20 NM, AM, Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM, AM, Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM, AM 7:00 AM

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

Last updated: 8:24 AM CDT  ·  Refresh
24°C
Feels like 26°
Mostly Clear
▲ 32°  /  ▼ 21°
Wind
7 mph NE
Humidity
70%
Dew Point
19°
Pressure
30.02 inHg
Visibility
10 mi
UV Index
4.0
Cloud Cover
23%
Sunrise
6:54 AM
Sunset
6:58 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 clear at 25°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:54AM · Sunset: 6:58PM.

Alerts

Small Craft Advisory
Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM, AM, Coastal waters from St. Augustine to Flagler Beach FL out 20 NM, AM, Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM, AM, Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM, AM
Expires 7:00 AM
47 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
3%
9 AM
25°
21%
10 AM
27°
21%
11 AM
28°
21%
12 PM
29°
15%
1 PM
32°
3%
2 PM
32°
3%
3 PM
32°
3%
4 PM
32°
3%
5 PM
31°
3%
6 PM
31°
3%
7 PM
29°
3%
8 PM
28°
3%
9 PM
26°
3%
10 PM
25°
3%
11 PM
24°
3%
12 AM
23°
3%
1 AM
23°
3%
2 AM
23°
3%
3 AM
22°
3%
4 AM
22°
5%
5 AM
22°
5%
6 AM
22°
5%
7 AM
22°
5%
7-Day Forecast
Today
32° 21°
Partly Cloudy with a 21% chance of rain.
Fri
33° 21°
Partly Cloudy.
Sat
33° 21°
Partly Cloudy.
Sun
33° 21°
Mostly Clear.
Mon
36° 21°
Mostly Clear.
Tue
36° 22°
Rain, 57% chance.
Wed
32° 21°
Rain, 86% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Mostly Clear 3% 7 mph NE 71%
9 AM 25° Mostly Clear 21% 7 mph NE 64%
10 AM 27° Mostly Clear 21% 6 mph NE 59%
11 AM 28° Partly Cloudy 21% 6 mph NNE 56%
12 PM 29° Partly Cloudy 15% 6 mph N 52%
1 PM 32° Partly Cloudy 3% 7 mph N 50%
2 PM 32° Mostly Cloudy 3% 7 mph NNW 48%
3 PM 32° Mostly Cloudy 3% 8 mph NNW 46%
4 PM 32° Mostly Cloudy 3% 8 mph NNW 45%
5 PM 31° Mostly Cloudy 3% 8 mph NNW 46%
6 PM 31° Mostly Cloudy 3% 8 mph N 47%
7 PM 29° Mostly Cloudy 3% 7 mph N 49%
8 PM 28° Mostly Cloudy 3% 7 mph N 51%
9 PM 26° Mostly Cloudy 3% 7 mph N 53%
10 PM 25° Overcast 3% 6 mph NNE 56%
11 PM 24° Mostly Cloudy 3% 6 mph NNE 62%
12 AM 23° Mostly Cloudy 3% 5 mph NNE 67%
1 AM 23° Mostly Cloudy 3% 5 mph NE 69%
2 AM 23° Mostly Cloudy 3% 5 mph NE 74%
3 AM 22° Mostly Cloudy 3% 6 mph NE 78%
4 AM 22° Mostly Cloudy 5% 6 mph NE 82%
5 AM 22° Partly Cloudy 5% 6 mph NE 81%
6 AM 22° Partly Cloudy 5% 6 mph ENE 80%
7 AM 22° Partly Cloudy 5% 6 mph ENE 79%
15-Day Forecast
Today
9/24
Partly Cloudy
21%
21°
32°
Fri
9/25
Partly Cloudy
6%
21°
33°
Sat
9/26
Partly Cloudy
3%
21°
33°
Sun
9/27
Mostly Clear
16%
21°
33°
Mon
9/28
Mostly Clear
17%
21°
36°
Tue
9/29
Rain
57%
22°
36°
Wed
9/30
Rain
86%
21°
32°
Thu
10/1
Rain
80%
21°
31°
Fri
10/2
Rain
66%
20°
32°
Sat
10/3
Drizzle
64%
21°
32°
Sun
10/4
Drizzle
64%
21°
32°
Mon
10/5
Rain
90%
20°
31°
Tue
10/6
Drizzle
60%
19°
30°
Wed
10/7
Drizzle
60%
18°
30°
Thu
10/8
Drizzle
60%
18°
29°
47
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
47 AQI 8.5 µg/m³
O3
Ground-level ozone
44 AQI 48 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Fri 47 Good 44 47
Sat 44 Good 44 43
Sun 50 Good 49 50
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 Thu Sep 24, 11:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1 J/kg
MLCAPE23 J/kg
MUCAPE0 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index4.2
Kinematics
0–6 km Shear10 kt
0–1 km Shear5 kt
Eff. Shear—
0–1 km SRH35
0–3 km SRH74
Eff. SRH—
Storm Motion20° @ 22 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index16.0
Thermo & Levels
PWAT1.41 in
0–3 km LR4.8 °C/km
700–500 LR4.8 °C/km
Total Totals37.3
LCL946 hPa
LFC1017 hPa
EL996 hPa
Freezing Lvl17,684 ft