High Surf Advisory — Southern Bristol, MA, Southern Plymouth, MA, Barnstable, MA, Dukes, MA, Nantucket, MA, Washington, RI, Newport, RI, Block Island, RI 7:00 PM

New Shoreham, Rhode Island

Last updated: 3:53 PM CDT  ·  Refresh
22°C
Feels like 18°
Overcast
▲ 23°  /  ▼ 18°
Wind
22 mph SSE
Humidity
95%
Dew Point
21°
Pressure
29.78 inHg
Visibility
10 mi
UV Index
2.8
Cloud Cover
92%
Sunrise
5:31 AM
Sunset
8:13 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: New Shoreham is currently overcast at 22°C. Precipitation is likely — peak probability 90% around 6 PM. Atmospheric instability is elevated (CAPE up to 911 J/kg) — isolated convective development possible. Sunrise: 5:31AM · Sunset: 8:13PM.

Alerts

High Surf Advisory
Southern Bristol, MA, Southern Plymouth, MA, Barnstable, MA, Dukes, MA, Nantucket, MA, Washington, RI, Newport, RI, Block Island, RI
Expires 7:00 PM
68 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
22°
82%
5 PM
22°
69%
6 PM
22°
90%
7 PM
22°
90%
8 PM
21°
71%
9 PM
21°
72%
10 PM
21°
68%
11 PM
21°
62%
12 AM
21°
63%
1 AM
21°
43%
2 AM
20°
53%
3 AM
21°
59%
4 AM
21°
73%
5 AM
21°
73%
6 AM
21°
55%
7 AM
21°
55%
8 AM
22°
55%
9 AM
22°
55%
10 AM
22°
49%
11 AM
22°
38%
12 PM
23°
39%
1 PM
23°
25%
2 PM
23°
32%
3 PM
23°
32%
7-Day Forecast
Today
23° 18°
Heavy Rain, 90% chance.
Wed
23° 20°
Partly Cloudy with a 73% chance of rain.
Thu
22° 17°
Mostly Cloudy with a 40% chance of rain.
Fri
22° 16°
Mostly Cloudy.
Sat
23° 18°
Clear.
Sun
23° 17°
Drizzle, 81% chance.
Mon
24° 19°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 22° Overcast 82% 22 mph SSE 95%
5 PM 22° Overcast 69% 23 mph SSE 95%
6 PM 22° Heavy Rain 90% 21 mph S 95%
7 PM 22° Heavy Rain 90% 20 mph S 95%
8 PM 21° Overcast 71% 20 mph S 94%
9 PM 21° Overcast 72% 18 mph SSW 94%
10 PM 21° Overcast 68% 19 mph SSW 94%
11 PM 21° Overcast 62% 20 mph SSW 94%
12 AM 21° Overcast 63% 21 mph SSW 94%
1 AM 21° Overcast 43% 22 mph SSW 94%
2 AM 20° Overcast 53% 23 mph SSW 94%
3 AM 21° Overcast 59% 23 mph SSW 94%
4 AM 21° Haze 73% 23 mph SSW 95%
5 AM 21° Overcast 73% 20 mph SSW 95%
6 AM 21° Overcast 55% 19 mph SSW 95%
7 AM 21° Mostly Cloudy 55% 20 mph SSW 94%
8 AM 22° Mostly Cloudy 55% 19 mph SSW 94%
9 AM 22° Mostly Cloudy 55% 19 mph SSW 94%
10 AM 22° Mostly Cloudy 49% 20 mph SSW 94%
11 AM 22° Mostly Cloudy 38% 19 mph SSW 94%
12 PM 23° Mostly Cloudy 39% 19 mph SSW 93%
1 PM 23° Mostly Cloudy 25% 18 mph SSW 93%
2 PM 23° Mostly Cloudy 32% 18 mph SSW 93%
3 PM 23° Partly Cloudy 32% 18 mph SSW 93%
15-Day Forecast
Today
7/21
Heavy Rain
90%
18°
23°
Wed
7/22
Partly Cloudy
73%
20°
23°
Thu
7/23
Mostly Cloudy
40%
17°
22°
Fri
7/24
Mostly Cloudy
17%
16°
22°
Sat
7/25
Clear
19%
18°
23°
Sun
7/26
Drizzle
81%
17°
23°
Mon
7/27
Drizzle
60%
19°
24°
Tue
7/28
Drizzle
60%
19°
24°
Wed
7/29
Drizzle
60%
19°
25°
Thu
7/30
Drizzle
60%
19°
26°
Fri
7/31
Drizzle
60%
20°
24°
Sat
8/1
Drizzle
60%
20°
24°
Sun
8/2
Drizzle
60%
19°
24°
Mon
8/3
Drizzle
60%
21°
24°
Tue
8/4
Drizzle
60%
21°
25°
68
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
68 AQI 18.2 µg/m³
O3
Ground-level ozone
43 AQI 46 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 68 Moderate 43 68
Thu 43 Good 43 32
Fri 35 Good 35 29
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, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE110 J/kg
MLCAPE415 J/kg
MUCAPE1226 J/kg
SBCIN-163 J/kg
MLCIN0 J/kg
Lifted Index-0.0
Kinematics
0–6 km Shear35 kt
0–1 km Shear14 kt
Eff. Shear37 kt
0–1 km SRH23
0–3 km SRH-10
Eff. SRH-10
Storm Motion186° @ 42 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index40.1
Thermo & Levels
PWAT2.34 in
0–3 km LR4.7 °C/km
700–500 LR5.3 °C/km
Total Totals48.0
LCL995 hPa
LFC715 hPa
EL500 hPa
Freezing Lvl13,737 ft