Water Temperature of Delaware Bay in Greenwich, NJ

Current Water Temperature

Current temperature data is
not available at this time.

Today's Tides

High: May 21, 4:52 AM, 5.89 ft
 Low: May 21, 11:40 AM, 0.40 ft
High: May 21, 5:35 PM, 5.65 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

55°F
Light rain
Conditions: Light rain
Humidity: 89%
Feels Like: 51.8°F
Wind: ESE 11.9 mph
Wind Gusts: 17.7 mph
Pressure: 29.94 in
Precipitation: 0.02 in
Cloud Cover: 100%
Visibility: 9 mi
UV Index: 0.5

Five Day Weather Forecast

Moderate rain
Wed
H: 56°F
L: 51°F
Patchy rain nearby
Thu
H: 52°F
L: 47°F
Patchy rain nearby
Fri
H: 62°F
L: 47°F
Sunny
Sat
H: 66°F
L: 47°F
Partly Cloudy
Sun
H: 63°F
L: 54°F

Air Quality

Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 5:43 AM
Sun Transit: 12:58 AM
Sunset: 8:14 PM
Daylight: 14 hrs 31 mins
Moonrise: 2:24 AM
Moon Transit: 8:04 AM
Moonset: 1:55 PM
Moon Phase: Last Quarter
Moon Illumination: 22.6%

Best Times for Fishing or Hunting

Major Periods

7:34 AM - 10:04 AM
12:00 AM - 12:00 AM

Minor Periods

1:25 PM - 2:55 PM
1:54 AM - 3:24 AM

Action Rating: 2 out of 5

Wednesday, May 21, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 53.6°F
Average Humidity: 85%
Chance of Rain: 88%
Wind: 15.2 mph
UV Index: 0.4

Air Quality

AQI: 1 - Good
PM2.5: 10.59 μg/m3
PM10: 14.39 μg/m3
Carbon Monoxide: 288.17 μg/m3
Nitrogen Dioxide: 4.34 μg/m3
Sulphur Dioxide: 1.86 μg/m3
Ozone: 87.69 μg/m3

Astronomical

Sunrise: 5:43 AM
Sun Transit: 12:58 AM
Sunset: 8:14 PM
Daylight: 14 hrs 31 mins
Moonrise: 2:24 AM
Moon Transit: 8:04 AM
Moonset: 1:55 PM
Moon Phase: Last Quarter
Moon Illumination: 22.6%

Best Times for Fishing or Hunting

Major Periods

7:34 AM - 10:04 AM
12:00 AM - 12:00 AM

Minor Periods

1:25 PM - 2:55 PM
1:54 AM - 3:24 AM

Action Rating: 2 out of 5

Thursday, May 22, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 51.3°F
Average Humidity: 94%
Chance of Rain: 75%
Wind: 13.6 mph
UV Index: 0

Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 5:42 AM
Sun Transit: 12:58 AM
Sunset: 8:15 PM
Daylight: 14 hrs 33 mins
Moonrise: 2:49 AM
Moon Transit: 12:46 AM
Moonset: 3:07 PM
Moon Phase: Waning Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

12:16 AM - 2:46 PM
12:16 AM - 2:46 PM

Minor Periods

2:37 PM - 4:07 PM
2:19 AM - 3:49 AM

Action Rating: 2 out of 5

Friday, May 23, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 53.5°F
Average Humidity: 78%
Chance of Rain: 86%
Wind: 12.1 mph
UV Index: 3

Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 12:58 AM
Sunset: 8:16 PM
Daylight: 14 hrs 34 mins
Moonrise: 3:13 AM
Moon Transit: 9:40 AM
Moonset: 4:21 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:10 AM - 11:40 AM

Minor Periods

3:51 PM - 5:21 PM
2:43 AM - 4:13 AM

Action Rating: 2 out of 5

Saturday, May 24, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 57°F
Average Humidity: 67%
Chance of Rain: 0%
Wind: 9.6 mph
UV Index: 4

Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 12:58 AM
Sunset: 8:17 PM
Daylight: 14 hrs 36 mins
Moonrise: 3:40 AM
Moon Transit: 10:32 AM
Moonset: 5:38 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:02 AM - 12:32 AM

Minor Periods

5:08 PM - 6:38 PM
3:10 AM - 4:40 AM

Action Rating: 2 out of 5

Sunday, May 25, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 58.6°F
Average Humidity: 79%
Chance of Rain: 0%
Wind: 4.9 mph
UV Index: 4

Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 12:58 AM
Sunset: 8:17 PM
Daylight: 14 hrs 37 mins
Moonrise: 4:11 AM
Moon Transit: 11:27 AM
Moonset: 6:59 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:30 AM - 3:00 AM
10:57 AM - 1:27 PM

Minor Periods

6:29 PM - 7:59 PM
3:41 AM - 5:11 AM

Action Rating: 4 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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