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Clean Ocean Action · Live

Two Rivers Beach Dashboard

Live water quality, tides, marine forecast, and weather for the Navesink, Shrewsbury, and Sandy Hook shoreline. Plan your beach day, check before you swim.

just now
Air
84°
Feels 82°
Water
71°
Refreshing
Waves
1.6'
6s period
UV
5
Moderate
Wind
37
37 mph SSE
Next Low
5:44 PM
1.2 ft
goodGood conditions for boating and recreation

Beach conditions

Jun 5, 4:18 PM
Water temperature
71°F
Refreshing

Pleasant for most swimmers.

Waves
1.6ft
Small chop6s period · from SE

Light chop. Comfortable for most boats.

Source: Open-Meteo Marine + NOAA Sandy Hook 8531680

Sun & UV

5:27 AMDay length · 14h 56m8:23 PM
UV index now
Peak today: 7
5
Moderate
EPA scale 0–11+

SPF 30+, hat & sunglasses.

Air quality (US AQI)

67
Moderate
Dominant: Ground-level ozone
050100150200+

Acceptable. Sensitive groups may consider easing prolonged outdoor exertion.

PM2.5
18.6
µg/m³
PM10
20.1
µg/m³
Ozone
134.0
µg/m³

Current · Rumson, NJ

This Afternoon
84°F
Sunny
Humidity
33%
Dew pt
52°
Wind
37 mph SSE
Precip
0%

Detailed outlook

Sunny, with a high near 91. Southwest wind around 5 mph.

Next 24 hours

7-day outlook

High · Low · Rain %
This After
Sunny
69°91°
Saturday
Mostly Sunny
70°92°
5%
Sunday
Sunny
65°90°
14%
Monday
Sunny
59°79°
Tuesday
Sunny
64°83°
Wednesday
Mostly Sunny
69°89°
12%
Thursday
Chance Showers And Thunderstorms
71°90°
31%

Tides · Sandy Hook

Tide falling
Next Highin 3h 37m
12:01 AM
4.7 ft
Next Lowin 0 min
5:44 PM
1.2 ft

NOAA Station 8531680 · MLLW datum · Next 24 hours

Water level · Sandy Hook

2.04ft MLLW4:18 PM

Observed NOAA 8531680 · vs 24-hour prediction curve

Waterway conditions

Swimming
Limited data
Best available guidance
Fishing
Good
Best available guidance
Shellfish
Use caution
Official advisory

Bacteria monitoring

Clean Ocean Action · Rally for the Two Rivers

No active bacteria readings for this waterway.

COA’s weekly Enterococcus testing program runs May–September. Check cleanoceanaction.org for the latest seasonal results.

Activity guidance

SwimmingLimited swim data

No current official swim sample data found (often off-season). Check COA and NJ Beaches for latest updates.

FishingFishing looks reasonable

No current official fishing warning. Conditions look relatively stable.

Eating local catchCheck fish consumption limits

An official fish consumption advisory applies here. Check the linked state guidance for species-specific limits.

Official advisories (1)

Fish consumption advisory — Swimming River Reservoir

A state fish consumption advisory applies. Species, age, and meal frequency limits may vary.

Source: NJDEP fish consumption advisories

Supporting conditions

Rain-driven contamination risk

Low — no strong rain signal

River / runoff signal

Moderate — some river influence

Open-water conditions

Calm — no strong marine hazard

Active weather alerts

14 alerts affecting New Jersey

Navesink River

Steady
No current reading
Site 01407535
No recent USGS readings.

USGS 01407535

Swimming River (tributary)

Steady
4.62ft
3 PM
Swimming River near Red Bank NJ

USGS 01407500

About

Clean Ocean Action

A 501(c)(3) regional ocean advocacy non-profit working to improve the water quality of the marine waters off the New Jersey/New York coast. This dashboard is built to help the Two Rivers community plan safer days on the water during the summer season.

Data sources

Real-time conditions

Live feeds
National Weather Service
Current conditions, hourly forecast, marine outlook, alerts
NOAA Tides & Currents
Tide predictions, water level, water + air temp · Station 8531680
Open-Meteo Marine
Wave height, period, sea surface temperature
Open-Meteo Forecast
UV index forecast (today + tomorrow peak)
Open-Meteo Air Quality
US AQI, PM2.5, PM10, ground-level ozone
USGS Water Services
River gauge heights · Navesink, Swimming, Shrewsbury

Advisories & monitoring

Weekly · seasonal
Clean Ocean Action – Rally for the Two Rivers
Enterococcus & E. coli weekly testing (May–Sept)
NJ DEP Harmful Algal Bloom notices
Official bloom alerts for local waterways
NJ Beaches / NJDEP beach monitoring
Official beach advisories & closures
This dashboard aggregates publicly available data from NOAA, NWS, USGS, NJDEP, Open-Meteo, and Clean Ocean Action. It is not a substitute for official advisories. Always check NJBeaches.org and Clean Ocean Action before entering the water.