Beach Hazards Statement — Mason, MI, Oceana, MI, Muskegon, MI, Ottawa, MI, Allegan, MI, Van Buren, MI 10:00 PM

Ottawa County, Michigan, United States

Last updated: 10:58 AM CDT  ·  Refresh
26°C
Feels like 24°
Mostly Clear
▲ 27°  /  ▼ 11°
Wind
17 mph WNW
Humidity
60%
Dew Point
18°
Pressure
28.95 inHg
Visibility
10 mi
UV Index
8.9
Cloud Cover
21%
Sunrise
6:24 AM
Sunset
9:16 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Ottawa County is currently mostly clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 732 J/kg) — isolated convective development possible. Sunrise: 6:24AM · Sunset: 9:16PM.

Alerts

Beach Hazards Statement
Mason, MI, Oceana, MI, Muskegon, MI, Ottawa, MI, Allegan, MI, Van Buren, MI
Expires 10:00 PM
48 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
36%
12 PM
24°
27%
1 PM
24°
28%
2 PM
25°
15%
3 PM
25°
19%
4 PM
25°
24%
5 PM
26°
27%
6 PM
24°
6%
7 PM
22°
3%
8 PM
19°
3%
9 PM
18°
3%
10 PM
16°
3%
11 PM
15°
3%
12 AM
14°
3%
1 AM
13°
3%
2 AM
13°
3%
3 AM
13°
3%
4 AM
13°
3%
5 AM
11°
3%
6 AM
12°
3%
7 AM
13°
3%
8 AM
14°
3%
9 AM
17°
3%
10 AM
18°
3%
7-Day Forecast
Today
27° 11°
Mostly Clear with a 36% chance of rain.
Wed
23° 11°
Clear.
Thu
27° 12°
Clear.
Fri
27° 14°
Partly Cloudy.
Sat
27° 14°
Clear.
Sun
33° 20°
Thunderstorm, 29% chance.
Mon
31° 17°
Rain, 28% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Mostly Clear 36% 17 mph WNW 60%
12 PM 24° Partly Cloudy 27% 18 mph WNW 60%
1 PM 24° Mostly Cloudy 28% 19 mph WNW 59%
2 PM 25° Partly Cloudy 15% 18 mph WNW 57%
3 PM 25° Partly Cloudy 19% 18 mph NW 58%
4 PM 25° Partly Cloudy 24% 17 mph NW 58%
5 PM 26° Partly Cloudy 27% 17 mph NW 63%
6 PM 24° Mostly Clear 6% 17 mph NNW 64%
7 PM 22° Clear 3% 17 mph NNW 65%
8 PM 19° Clear 3% 16 mph NNW 67%
9 PM 18° Mostly Clear 3% 14 mph N 68%
10 PM 16° Mostly Clear 3% 12 mph N 70%
11 PM 15° Mostly Clear 3% 11 mph NNW 73%
12 AM 14° Mostly Clear 3% 9 mph NNW 76%
1 AM 13° Mostly Clear 3% 9 mph NNW 78%
2 AM 13° Mostly Clear 3% 8 mph NNW 78%
3 AM 13° Mostly Clear 3% 8 mph NNW 78%
4 AM 13° Mostly Clear 3% 7 mph NW 78%
5 AM 11° Mostly Clear 3% 7 mph NNW 76%
6 AM 12° Mostly Clear 3% 8 mph NNW 74%
7 AM 13° Mostly Clear 3% 8 mph NNW 72%
8 AM 14° Clear 3% 8 mph NNW 66%
9 AM 17° Clear 3% 9 mph NNW 60%
10 AM 18° Clear 3% 9 mph NNW 53%
15-Day Forecast
Today
7/21
Mostly Clear
36%
11°
27°
Wed
7/22
Clear
3%
11°
23°
Thu
7/23
Clear
3%
12°
27°
Fri
7/24
Partly Cloudy
3%
14°
27°
Sat
7/25
Clear
16%
14°
27°
Sun
7/26
Thunderstorm
29%
20°
33°
Mon
7/27
Rain
28%
17°
31°
Tue
7/28
Clear
18%
15°
30°
Wed
7/29
Clear
19%
14°
29°
Thu
7/30
Rain
50%
16°
31°
Fri
7/31
Drizzle
60%
17°
29°
Sat
8/1
Drizzle
60%
17°
29°
Sun
8/2
Drizzle
60%
17°
29°
Mon
8/3
Clear
25%
16°
29°
Tue
8/4
Drizzle
60%
16°
29°
48
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
48 AQI 8.7 µg/m³
O3
Ground-level ozone
36 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 48 Good 36 48
Thu 27 Good 27 12
Fri 34 Good 34 7
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 Tue Jul 21, 14:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1322 J/kg
MLCAPE682 J/kg
MUCAPE1322 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-3.5
Kinematics
0–6 km Shear34 kt
0–1 km Shear10 kt
Eff. Shear29 kt
0–1 km SRH-63
0–3 km SRH-130
Eff. SRH-130
Storm Motion265° @ 42 kt
0–1 km EHI-0.5
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index26.3
Thermo & Levels
PWAT1.29 in
0–3 km LR7.1 °C/km
700–500 LR5.9 °C/km
Total Totals45.7
LCL869 hPa
LFC980 hPa
EL250 hPa
Freezing Lvl12,694 ft