Water Temperature of Delaware Bay in Greenwich, NJ

Current Water Temperature

59.9°F

Measurement Time: Thursday, May 7, 2026, 10:00 AM EDT

Today's Tides

 High: May 7, 1:57 AM, 6.0 ft
Low: May 7, 8:51 AM, 0.7 ft
 High: May 7, 2:38 PM, 4.9 ft
Low: May 7, 8:40 PM, 1.0 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

53.1°F
Overcast
Overcast
50.2°F
57.9°F
83%
NNW 8.7 mph
12.2 mph
56.8°F
41.6°F
0 in
100%
9 mi
1012 mbar
0.3

Five Day Weather Forecast

Patchy rain nearby
Thu
H: 69°F
L: 50°F
Sunny
Fri
H: 63°F
L: 44°F
Moderate rain
Sat
H: 63°F
L: 51°F
Patchy rain nearby
Sun
H: 68°F
L: 49°F
Patchy rain nearby
Mon
H: 66°F
L: 49°F

Air Quality

AQI: 1 - Good
PM2.5: 5.85 μg/m3
PM10: 6.25 μg/m3
Carbon Monoxide: 156.85 μg/m3
Nitrogen Dioxide: 3.75 μg/m3
Sulphur Dioxide: 3.65 μg/m3
Ozone: 105 μg/m3

Astronomical

Sunrise: 5:56 AM
Sun Transit: 12:58 AM
Sunset: 8:01 PM
Daylight: 14 hrs 5 mins
Moonrise: 12:52 AM
Moon Transit: 5:25 AM
Moonset: 10:03 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.1%

Best Times for Fishing or Hunting

Major Periods

4:55 AM - 7:25 AM
7:20 PM - 9:50 PM

Minor Periods

9:33 AM - 11:03 AM
12:22 AM - 1:52 AM

Action Rating: 2 out of 5

Thursday, May 7, 2026

Weather Forecast

Patchy rain nearby
69.3°F
50°F
58.8°F
63%
0.01 in
86%
0%
10.7 mph
1.2


Air Quality

AQI: 1 - Good
PM2.5: 6.32 μg/m3
PM10: 6.68 μg/m3
Carbon Monoxide: 169.09 μg/m3
Nitrogen Dioxide: 8.5 μg/m3
Sulphur Dioxide: 4.46 μg/m3
Ozone: 83.32 μg/m3

Astronomical

Sunrise: 5:56 AM
Sun Transit: 12:58 AM
Sunset: 8:01 PM
Daylight: 14 hrs 5 mins
Moonrise: 12:52 AM
Moon Transit: 5:25 AM
Moonset: 10:03 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.1%

Best Times for Fishing or Hunting

Major Periods

4:55 AM - 7:25 AM
7:20 PM - 9:50 PM

Minor Periods

9:33 AM - 11:03 AM
12:22 AM - 1:52 AM

Action Rating: 2 out of 5

Friday, May 8, 2026

Weather Forecast

Sunny
63.2°F
43.8°F
54°F
58%
0 in
0%
0%
11 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 9.22 μg/m3
PM10: 9.47 μg/m3
Carbon Monoxide: 172.21 μg/m3
Nitrogen Dioxide: 10.82 μg/m3
Sulphur Dioxide: 4.49 μg/m3
Ozone: 77.88 μg/m3

Astronomical

Sunrise: 5:55 AM
Sun Transit: 12:58 AM
Sunset: 8:02 PM
Daylight: 14 hrs 7 mins
Moonrise: 1:28 AM
Moon Transit: 6:13 AM
Moonset: 11:05 AM
Moon Phase: Last Quarter
Moon Illumination: 47.9%

Best Times for Fishing or Hunting

Major Periods

5:43 AM - 8:13 AM
8:08 PM - 10:38 PM

Minor Periods

10:35 AM - 12:05 AM
12:58 AM - 2:28 AM

Action Rating: 4 out of 5

Saturday, May 9, 2026

Weather Forecast

Moderate rain
62.7°F
50.7°F
56.5°F
82%
0.43 in
78%
0%
16.1 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 9.09 μg/m3
PM10: 9.39 μg/m3
Carbon Monoxide: 167.37 μg/m3
Nitrogen Dioxide: 9.51 μg/m3
Sulphur Dioxide: 3.65 μg/m3
Ozone: 94.24 μg/m3

Astronomical

Sunrise: 5:54 AM
Sun Transit: 12:57 AM
Sunset: 8:03 PM
Daylight: 14 hrs 9 mins
Moonrise: 1:59 AM
Moon Transit: 7:00 AM
Moonset: 12:10 AM
Moon Phase: Last Quarter
Moon Illumination: 36.7%

Best Times for Fishing or Hunting

Major Periods

6:30 AM - 9:00 AM
8:53 PM - 11:23 PM

Minor Periods

11:40 AM - 1:10 PM
1:29 AM - 2:59 AM

Action Rating: 2 out of 5

Sunday, May 10, 2026

Weather Forecast

Patchy rain nearby
67.9°F
48.6°F
57.9°F
77%
0.19 in
85%
0%
15.4 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 12.04 μg/m3
PM10: 12.4 μg/m3
Carbon Monoxide: 177.8 μg/m3
Nitrogen Dioxide: 12.45 μg/m3
Sulphur Dioxide: 4.49 μg/m3
Ozone: 85.04 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 12:57 AM
Sunset: 8:04 PM
Daylight: 14 hrs 11 mins
Moonrise: 2:26 AM
Moon Transit: 7:45 AM
Moonset: 1:14 PM
Moon Phase: Last Quarter
Moon Illumination: 26.2%

Best Times for Fishing or Hunting

Major Periods

7:15 AM - 9:45 AM
12:00 AM - 12:00 AM

Minor Periods

12:44 AM - 2:14 PM
1:56 AM - 3:26 AM

Action Rating: 2 out of 5

Monday, May 11, 2026

Weather Forecast

Patchy rain nearby
65.7°F
49.3°F
58.1°F
76%
0.1 in
86%
0%
23.9 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 8.86 μg/m3
PM10: 9.67 μg/m3
Carbon Monoxide: 182.91 μg/m3
Nitrogen Dioxide: 5.83 μg/m3
Sulphur Dioxide: 2.83 μg/m3
Ozone: 104.69 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 12:57 AM
Sunset: 8:05 PM
Daylight: 14 hrs 13 mins
Moonrise: 2:50 AM
Moon Transit: 8:30 AM
Moonset: 2:21 PM
Moon Phase: Last Quarter
Moon Illumination: 16.9%

Best Times for Fishing or Hunting

Major Periods

8:00 AM - 10:30 AM
12:00 AM - 12:00 AM

Minor Periods

1:51 PM - 3:21 PM
2:20 AM - 3:50 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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