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Smyrna, DE Marine Weather Forecast

Station SJSN4 - 8537121 - Ship John Shoal, NJ

April 1, 2026 7:00 am EDT
Location: 39.305N 75.377W
Wind Direction: SW (220°)
Wind Speed: 11.1 knots
Wind Gust: 13.0 knots
Atmospheric Pressure: 30.03 in (1016.8 mb)
Pressure Tendency: +0.06 in (+2.1 mb)
Air Temperature: 62.6°F (17.0°C)
Water Temperature: 51.1°F (10.6°C)


Today - 83°F
Apr 01, 2026
10 mph SW
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 83. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
Tonight - 54°F
Apr 01, 2026
5 to 10 mph NE
Showers And Thunderstorms then Chance Showers And Thunderstorms
Showers and thunderstorms before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Northeast wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday - 59°F
Apr 02, 2026
5 to 10 mph E
Slight Chance Rain Showers
A slight chance of rain showers. Mostly cloudy, with a high near 59. East wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Thursday Night - 47°F
Apr 02, 2026
5 to 10 mph E
Slight Chance Rain Showers then Mostly Cloudy
A slight chance of rain showers before 8pm. Mostly cloudy, with a low around 47. East wind 5 to 10 mph. Chance of precipitation is 20%.
Friday - 77°F
Apr 03, 2026
5 to 15 mph S
Mostly Sunny
Mostly sunny, with a high near 77. South wind 5 to 15 mph.
Friday Night - 60°F
Apr 03, 2026
5 to 10 mph S
Partly Cloudy
Partly cloudy, with a low around 60.
Saturday - 80°F
Apr 04, 2026
5 to 10 mph SW
Mostly Sunny
Mostly sunny, with a high near 80.
Saturday Night - 60°F
Apr 04, 2026
10 mph S
Partly Cloudy then Chance Rain Showers
A chance of rain showers after 2am. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Sunday - 71°F
Apr 05, 2026
10 to 15 mph SW
Rain Showers Likely
Rain showers likely. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.
Sunday Night - 41°F
Apr 05, 2026
10 to 15 mph W
Rain Showers Likely
Rain showers likely. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.
Monday - 57°F
Apr 06, 2026
10 mph NW
Slight Chance Rain Showers then Sunny
A slight chance of rain showers before 8am. Sunny, with a high near 57.
Monday Night - 39°F
Apr 06, 2026
5 mph N
Mostly Clear
Mostly clear, with a low around 39.
Tuesday - 58°F
Apr 07, 2026
5 to 10 mph E
Partly Sunny then Slight Chance Rain Showers
A slight chance of rain showers after 2pm. Partly sunny, with a high near 58.
Tuesday Night - 38°F
Apr 07, 2026
5 mph NE
Slight Chance Rain Showers then Partly Cloudy
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 38.

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