Water Temperature of Delaware Bay in Greenwich, NJ

Current Water Temperature

Current temperature data is
not available at this time.

Today's Tides

High: June 4, 5:23 AM, 5.43 ft
 Low: June 4, 11:56 AM, 0.57 ft
High: June 4, 6:05 PM, 5.61 ft

Temperature Locations

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Local Points of Interest

Ship John Shoal Lighthouse; Bombay Hook National Wildlife Refuge; Bridgeton, NJ; Sea Breeze, NJ; Smyrna, DE; Dover, DE

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Delaware Bay

Station Name: Ship John Shoal
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 0 feet / 0 meters

Sensor Depth: -2.2 feet / -0.7 meters

Nearest Address:
Ship John Shoal Lighthouse
Greenwich, NJ 08323
Cumberland County

GPS Coordinates: 39.30500, -75.37500

Nearby Water Temperatures

St. Jones River, Dover, DE (12.4 mi)
Appoquinimink River, Odessa, DE (16.9 mi)
Delaware River, Middletown, DE (17.0 mi)
Silver Lake Tributary, Townsend, DE (19.9 mi)
Chesapeake & Delaware Canal, Port Penn, DE (20.4 mi)
Murderkill River, Frederica, DE (20.8 mi)
Chesapeake and Delaware Canal, Delaware City, DE (21.6 mi)
Delaware River, New Castle, DE (27.7 mi)
Chesapeake & Delaware Canal, Chesapeake City, MD (27.8 mi)
Beaverdam Branch, Houston, DE (28.6 mi)
Christina River, Newark, DE (29.7 mi)
Christina River, Newport, DE (30.7 mi)
Christina River, Wilmington, DE (31.1 mi)
White Clay Creek, Stanton, DE (31.2 mi)
White Clay Creek, Newark, DE (31.6 mi)

Weather for Greenwich, New Jersey

Current Weather

66°F
Clear
Conditions: Clear
Humidity: 84%
Feels Like: 66°F
Wind: S 8.5 mph
Wind Gusts: 17.9 mph
Pressure: 30.16 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Wed
H: 89°F
L: 60°F
Partly Cloudy
Thu
H: 90°F
L: 64°F
Cloudy
Fri
H: 86°F
L: 65°F
Heavy rain
Sat
H: 70°F
L: 62°F
Moderate rain
Sun
H: 71°F
L: 63°F

Air Quality

AQI: 1 - Good
PM2.5: 9.99 μg/m3
PM10: 11.47 μg/m3
Carbon Monoxide: 307.1 μg/m3
Nitrogen Dioxide: 6.29 μg/m3
Sulphur Dioxide: 2.59 μg/m3
Ozone: 92 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:00 PM
Sunset: 8:25 PM
Daylight: 14 hrs 49 mins
Moonrise: 2:21 PM
Moon Transit: 8:24 PM
Moonset: 1:59 AM
Moon Phase: First Quarter
Moon Illumination: 59.8%

Best Times for Fishing or Hunting

Major Periods

9:35 AM - 12:05 AM
7:54 PM - 10:24 PM

Minor Periods

1:51 PM - 3:21 PM
1:29 AM - 2:59 AM

Action Rating: 2 out of 5

Air Quality Alert issued June 3 at 3:45PM EDT by NWS Mount Holly NJ

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue June 3, 2025, 7:45 PM
Expires: Thu June 5, 2025, 4:00 AM

The New Jersey Department of Environmental Protection has issued a code orange air quality alert Wednesday for Southwestern New Jersey. A code orange air quality alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children...people suffering from asthma... heart disease or other lung diseases...and the elderly. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. For more information on ground-level ozone and fine particles...visit http://www.state.nj.us/dep/


Air Quality Alert issued June 3 at 3:45PM EDT by NWS Mount Holly NJ

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue June 3, 2025, 7:45 PM
Expires: Thu June 5, 2025, 4:00 AM

The New Jersey Department of Environmental Protection has issued a code orange air quality alert Wednesday for Southwestern New Jersey. A code orange air quality alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children...people suffering from asthma... heart disease or other lung diseases...and the elderly. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. For more information on ground-level ozone and fine particles...visit http://www.state.nj.us/dep/


Air Quality Alert issued June 3 at 3:45PM EDT by NWS Mount Holly NJ

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue June 3, 2025, 7:45 PM
Expires: Thu June 5, 2025, 4:00 AM

The New Jersey Department of Environmental Protection has issued a code orange air quality alert Wednesday for Southwestern New Jersey. A code orange air quality alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children...people suffering from asthma... heart disease or other lung diseases...and the elderly. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. For more information on ground-level ozone and fine particles...visit http://www.state.nj.us/dep/


Air Quality Alert issued June 3 at 3:45PM EDT by NWS Mount Holly NJ

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue June 3, 2025, 7:45 PM
Expires: Thu June 5, 2025, 4:00 AM

The New Jersey Department of Environmental Protection has issued a code orange air quality alert Wednesday for Southwestern New Jersey. A code orange air quality alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children...people suffering from asthma... heart disease or other lung diseases...and the elderly. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. For more information on ground-level ozone and fine particles...visit http://www.state.nj.us/dep/


Air Quality Alert issued June 3 at 3:45PM EDT by NWS Mount Holly NJ

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue June 3, 2025, 7:45 PM
Expires: Thu June 5, 2025, 4:00 AM

The Delaware Valley Regional Planning Commission has issued a code orange air quality alert Wednesday for The Philadelphia Metro area. A code orange air quality alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children...people suffering from asthma... heart disease or other lung diseases...and the elderly. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. For more information on ground-level ozone and fine particles...visit http://www.phila.gov/health/units/ams/


Wednesday, June 4, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 74.5°F
Average Humidity: 64%
Chance of Rain: 0%
Wind: 9.6 mph
UV Index: 2.4

Air Quality

AQI: 2 - Moderate
PM2.5: 29.67 μg/m3
PM10: 31.49 μg/m3
Carbon Monoxide: 363.04 μg/m3
Nitrogen Dioxide: 7.98 μg/m3
Sulphur Dioxide: 4.47 μg/m3
Ozone: 128.8 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:00 PM
Sunset: 8:25 PM
Daylight: 14 hrs 49 mins
Moonrise: 2:21 PM
Moon Transit: 8:24 PM
Moonset: 1:59 AM
Moon Phase: First Quarter
Moon Illumination: 59.8%

Best Times for Fishing or Hunting

Major Periods

9:35 AM - 12:05 AM
7:54 PM - 10:24 PM

Minor Periods

1:51 PM - 3:21 PM
1:29 AM - 2:59 AM

Action Rating: 2 out of 5

Thursday, June 5, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 74.7°F
Average Humidity: 72%
Chance of Rain: 0%
Wind: 9.8 mph
UV Index: 2.3

Air Quality

AQI: 1 - Good
PM2.5: 13.18 μg/m3
PM10: 15.37 μg/m3
Carbon Monoxide: 315.98 μg/m3
Nitrogen Dioxide: 5.92 μg/m3
Sulphur Dioxide: 3.03 μg/m3
Ozone: 107.84 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:00 PM
Sunset: 8:25 PM
Daylight: 14 hrs 50 mins
Moonrise: 3:20 PM
Moon Transit: 9:04 PM
Moonset: 2:19 AM
Moon Phase: First Quarter
Moon Illumination: 70.6%

Best Times for Fishing or Hunting

Major Periods

10:14 AM - 12:44 AM
8:34 PM - 11:04 PM

Minor Periods

2:50 PM - 4:20 PM
1:49 AM - 3:19 AM

Action Rating: 3 out of 5

Friday, June 6, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 72.2°F
Average Humidity: 86%
Chance of Rain: 0%
Wind: 12.8 mph
UV Index: 2.3

Air Quality

AQI: 1 - Good
PM2.5: 12.38 μg/m3
PM10: 16.09 μg/m3
Carbon Monoxide: 312.5 μg/m3
Nitrogen Dioxide: 5.99 μg/m3
Sulphur Dioxide: 1.78 μg/m3
Ozone: 88.76 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:00 PM
Sunset: 8:26 PM
Daylight: 14 hrs 51 mins
Moonrise: 4:20 PM
Moon Transit: 9:44 PM
Moonset: 2:40 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 80.3%

Best Times for Fishing or Hunting

Major Periods

10:54 AM - 1:24 PM
9:14 PM - 11:44 PM

Minor Periods

3:50 PM - 5:20 PM
2:10 AM - 3:40 AM

Action Rating: 2 out of 5

Saturday, June 7, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 64.5°F
Average Humidity: 95%
Chance of Rain: 87%
Wind: 6.3 mph
UV Index: 1.5

Air Quality

AQI: 1 - Good
PM2.5: 14.54 μg/m3
PM10: 19.6 μg/m3
Carbon Monoxide: 272.69 μg/m3
Nitrogen Dioxide: 7.04 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 72.68 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:00 PM
Sunset: 8:27 PM
Daylight: 14 hrs 52 mins
Moonrise: 5:20 PM
Moon Transit: 10:27 PM
Moonset: 3:01 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.5%

Best Times for Fishing or Hunting

Major Periods

11:36 AM - 2:06 PM
12:00 AM - 12:00 AM

Minor Periods

4:50 PM - 6:20 PM
2:31 AM - 4:01 AM

Action Rating: 2 out of 5

Sunday, June 8, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 65.5°F
Average Humidity: 92%
Chance of Rain: 79%
Wind: 6.9 mph
UV Index: 0.6

Air Quality

AQI: 1 - Good
PM2.5: 6.89 μg/m3
PM10: 9.05 μg/m3
Carbon Monoxide: 295.72 μg/m3
Nitrogen Dioxide: 11.43 μg/m3
Sulphur Dioxide: 1.52 μg/m3
Ozone: 65 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:00 PM
Sunset: 8:27 PM
Daylight: 14 hrs 53 mins
Moonrise: 6:23 PM
Moon Transit: 11:12 PM
Moonset: 3:27 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 94.7%

Best Times for Fishing or Hunting

Major Periods

12:20 AM - 2:50 PM
12:00 AM - 12:00 AM

Minor Periods

5:53 PM - 7:23 PM
2:57 AM - 4:27 AM

Action Rating: 2 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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