Water Temperature of Delaware Bay in Greenwich, NJ

Current Water Temperature

54.3°F

Measurement Time: Saturday, April 11, 2026, 2:48 AM EDT

Today's Tides

 High: April 11, 5:14 AM, 5.4 ft
Low: April 11, 12:03 PM, 0.8 ft
 High: April 11, 5:58 PM, 4.7 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

Delaware Bay

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

Elevation Above Sea Level: 0 feet

Sensor Depth: -2 feet

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 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

50.5°F
Clear
Clear
50°F
49°F
80%
WSW 3.4 mph
7 mph
47.4°F
44.3°F
0 in
0%
9 mi
1021 mbar
0

Five Day Weather Forecast

Sunny
Sat
H: 68°F
L: 47°F
Overcast
Sun
H: 53°F
L: 45°F
Overcast
Mon
H: 77°F
L: 47°F
Sunny
Tue
H: 77°F
L: 60°F
Sunny
Wed
H: 81°F
L: 61°F

Air Quality

PM2.5: 8.95 μg/m3
PM10: 9.35 μg/m3
Carbon Monoxide: 175.85 μg/m3
Nitrogen Dioxide: 10.15 μg/m3
Sulphur Dioxide: 6.25 μg/m3
Ozone: 74 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:02 PM
Sunset: 7:35 PM
Daylight: 13 hrs 4 mins
Moonrise: 3:29 AM
Moon Transit: 8:20 AM
Moonset: 1:18 PM
Moon Phase: Last Quarter
Moon Illumination: 21.1%

Best Times for Fishing or Hunting

Major Periods

7:50 AM - 10:20 AM
12:00 AM - 12:00 AM

Minor Periods

12:48 AM - 2:18 PM
2:59 AM - 4:29 AM

Action Rating: 2 out of 5

Saturday, April 11, 2026

Weather Forecast

Sunny
67.6°F
46.6°F
56.6°F
63%
0 in
0%
0%
16.8 mph
1.7


Air Quality

AQI: 1 - Good
PM2.5: 6.27 μg/m3
PM10: 6.69 μg/m3
Carbon Monoxide: 175.01 μg/m3
Nitrogen Dioxide: 7.87 μg/m3
Sulphur Dioxide: 4.55 μg/m3
Ozone: 88.88 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:02 PM
Sunset: 7:35 PM
Daylight: 13 hrs 4 mins
Moonrise: 3:29 AM
Moon Transit: 8:20 AM
Moonset: 1:18 PM
Moon Phase: Last Quarter
Moon Illumination: 21.1%

Best Times for Fishing or Hunting

Major Periods

7:50 AM - 10:20 AM
12:00 AM - 12:00 AM

Minor Periods

12:48 AM - 2:18 PM
2:59 AM - 4:29 AM

Action Rating: 2 out of 5

Sunday, April 12, 2026

Weather Forecast

Overcast
53.1°F
44.6°F
48.7°F
63%
0 in
0%
0%
13.9 mph
1.7


Air Quality

AQI: 1 - Good
PM2.5: 7.55 μg/m3
PM10: 8.13 μg/m3
Carbon Monoxide: 205.89 μg/m3
Nitrogen Dioxide: 13.02 μg/m3
Sulphur Dioxide: 4.05 μg/m3
Ozone: 78.72 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 1:02 PM
Sunset: 7:36 PM
Daylight: 13 hrs 7 mins
Moonrise: 3:59 AM
Moon Transit: 9:07 AM
Moonset: 2:25 PM
Moon Phase: Waning Crescent
Moon Illumination: 12.6%

Best Times for Fishing or Hunting

Major Periods

8:37 AM - 11:07 AM
12:00 AM - 12:00 AM

Minor Periods

1:55 PM - 3:25 PM
3:29 AM - 4:59 AM

Action Rating: 2 out of 5

Monday, April 13, 2026

Weather Forecast

Overcast
77.4°F
46.9°F
62.5°F
79%
0 in
0%
0%
19.5 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 8.26 μg/m3
PM10: 9.1 μg/m3
Carbon Monoxide: 166.5 μg/m3
Nitrogen Dioxide: 5.69 μg/m3
Sulphur Dioxide: 3.71 μg/m3
Ozone: 108.76 μg/m3

Astronomical

Sunrise: 6:28 AM
Sun Transit: 1:02 PM
Sunset: 7:37 PM
Daylight: 13 hrs 9 mins
Moonrise: 4:26 AM
Moon Transit: 9:53 AM
Moonset: 3:31 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:23 AM - 11:53 AM

Minor Periods

3:01 PM - 4:31 PM
3:56 AM - 5:26 AM

Action Rating: 2 out of 5

Tuesday, April 14, 2026

Weather Forecast

Sunny
77.4°F
59.9°F
67.8°F
75%
0 in
0%
0%
10.1 mph
1.9


Air Quality

AQI: 1 - Good
PM2.5: 7.32 μg/m3
PM10: 7.59 μg/m3
Carbon Monoxide: 198.75 μg/m3
Nitrogen Dioxide: 13.42 μg/m3
Sulphur Dioxide: 4.71 μg/m3
Ozone: 69.38 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 1:01 PM
Sunset: 7:38 PM
Daylight: 13 hrs 12 mins
Moonrise: 4:50 AM
Moon Transit: 10:39 AM
Moonset: 4:40 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:09 AM - 12:39 AM

Minor Periods

4:10 PM - 5:40 PM
4:20 AM - 5:50 AM

Action Rating: 2 out of 5

Wednesday, April 15, 2026

Weather Forecast

Sunny
80.7°F
61.1°F
68.6°F
66%
0 in
0%
0%
11.9 mph
0.1


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: 6:25 AM
Sun Transit: 1:01 PM
Sunset: 7:39 PM
Daylight: 13 hrs 14 mins
Moonrise: 5:13 AM
Moon Transit: 11:33 AM
Moonset: 5:50 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

11:03 AM - 1:33 PM
11:03 AM - 1:33 PM

Minor Periods

5:20 PM - 6:50 PM
4:43 AM - 6:13 AM

Action Rating: 3 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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