Flood Watch 1:00 AM High Surf Warning — Guam, GU, Rota, MP, Tinian, MP, Saipan, MP 1:00 PM Coastal Flood Warning — Guam, GU, Rota, MP, Tinian, MP, Saipan, MP 1:00 PM

Guam, Chalan Pago-Ordot Municipality, Guam, United States

Last updated: 8:02 PM CDT  ·  Refresh
29°C
Feels like 37°
Drizzle
▲ 29°  /  ▼ 27°
Wind
18 mph NNE
Humidity
84%
Dew Point
24°
Pressure
29.76 inHg
Visibility
—
UV Index
2.2
Cloud Cover
100%
Sunrise
6:11 AM
Sunset
6:00 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Guam is currently drizzle at 29°C. Precipitation is likely — peak probability 90% around 12 PM. Atmospheric instability is elevated (CAPE up to 1431 J/kg) — isolated convective development possible. Sunrise: 6:11AM · Sunset: 6:00PM.

Alerts

Flood Watch
Expires 1:00 AM
High Surf Warning
Guam, GU, Rota, MP, Tinian, MP, Saipan, MP
Expires 1:00 PM
Coastal Flood Warning
Guam, GU, Rota, MP, Tinian, MP, Saipan, MP
Expires 1:00 PM
Hourly Forecast · Next 24 Hours
Now
29°
65%
12 PM
29°
90%
1 PM
29°
90%
2 PM
28°
90%
3 PM
28°
90%
4 PM
27°
90%
5 PM
27°
90%
6 PM
27°
90%
7 PM
27°
90%
8 PM
27°
90%
9 PM
27°
90%
10 PM
27°
90%
11 PM
27°
90%
12 AM
27°
90%
1 AM
27°
90%
2 AM
27°
90%
3 AM
27°
90%
4 AM
27°
90%
5 AM
27°
90%
6 AM
27°
90%
7 AM
27°
90%
8 AM
27°
90%
9 AM
27°
90%
10 AM
27°
90%
7-Day Forecast
Today
29° 27°
Rain, 90% chance.
Sun
27° 26°
Rain, 90% chance.
Mon
28° 26°
Rain, 90% chance.
Tue
29° 27°
Clear with a 25% chance of rain.
Wed
30° 28°
Drizzle, 60% chance.
Thu
29° 27°
Drizzle, 60% chance.
Fri
29° 27°
Drizzle, 90% chance.
TimeTempConditionsPrecipWindHumidity
Now 29° Drizzle 65% 18 mph NNE 84%
12 PM 29° Rain 90% 19 mph NNE 85%
1 PM 29° Rain 90% 20 mph N 85%
2 PM 28° Rain 90% 21 mph N 86%
3 PM 28° Rain 90% 22 mph N 87%
4 PM 27° Rain 90% 23 mph N 87%
5 PM 27° Rain 90% 24 mph N 87%
6 PM 27° Rain 90% 24 mph N 87%
7 PM 27° Rain 90% 25 mph N 87%
8 PM 27° Rain 90% 26 mph N 86%
9 PM 27° Rain 90% 27 mph N 86%
10 PM 27° Rain 90% 28 mph N 86%
11 PM 27° Rain 90% 30 mph NNE 86%
12 AM 27° Rain 90% 31 mph NNE 87%
1 AM 27° Rain 90% 33 mph NNE 88%
2 AM 27° Rain 90% 35 mph NNE 88%
3 AM 27° Rain 90% 37 mph NNE 89%
4 AM 27° Rain 90% 39 mph NNE 89%
5 AM 27° Rain 90% 33 mph NE 90%
6 AM 27° Rain 90% 30 mph NE 90%
7 AM 27° Rain 90% 31 mph ENE 90%
8 AM 27° Rain 90% 36 mph E 90%
9 AM 27° Rain 90% 43 mph ESE 91%
10 AM 27° Rain 90% 51 mph ESE 91%
10-Day Forecast
Today
10/17
Rain
90%
27°
29°
Sun
10/18
Rain
90%
26°
27°
Mon
10/19
Rain
90%
26°
28°
Tue
10/20
Clear
25%
27°
29°
Wed
10/21
Drizzle
60%
28°
30°
Thu
10/22
Drizzle
60%
27°
29°
Fri
10/23
Drizzle
90%
27°
29°
Sat
10/24
Rain
90%
27°
29°
Sun
10/25
Rain
90%
26°
29°
Mon
10/26
Drizzle
90%
27°
29°
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
GFS
Valid Fri Oct 16, 18:00'Z' · F0 · 3 (global 1°)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1979 J/kg
MLCAPE1444 J/kg
MUCAPE1979 J/kg
SBCIN0 J/kg
MLCIN-0 J/kg
Lifted Index-4.7
Kinematics
0–6 km Shear31 kt
0–1 km Shear6 kt
Eff. Shear17 kt
0–1 km SRH33
0–3 km SRH71
Eff. SRH71
Storm Motion60° @ 24 kt
0–1 km EHI0.4
Composite Parameters
Sig. Tornado0.2
STP (eff)0.0
Supercell0.0
K-Index29.1
Thermo & Levels
PWAT2.34 in
0–3 km LR6.4 °C/km
700–500 LR5.1 °C/km
Total Totals40.3
LCL938 hPa
LFC1008 hPa
EL136 hPa
Freezing Lvl16,785 ft