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Water temperature in Port Monmouth (NJ) in April

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Is it warm enough to swim in Port Monmouth in April? Average water temperature in Port Monmouth in April is 47.7°F and therefore is not suitable for comfortable swimming. The warmest sea in Port Monmouth in April is 55.4°F, and the coldest is 40.1°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Port Monmouth

Changes water temperature in Port Monmouth in April 2025, 2024

To get an accurate forecast for the water temperature in Port Monmouth for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Port Monmouth, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of April.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
April 147.3°F45.1°F40.1°F47.7°F
April 246.4°F45.1°F40.5°F48.2°F
April 345.9°F44.8°F40.8°F48.6°F
April 447.1°F44.4°F41.5°F49.3°F
April 547.7°F45°F41.9°F48.9°F
April 646.9°F46.2°F41.7°F49.5°F
April 746.6°F44.6°F41.4°F49.6°F
April 848°F45.1°F41.2°F50.4°F
April 945.5°F46.4°F40.8°F50.4°F
April 1047.8°F46.2°F41.2°F50.7°F
April 1147.1°F45.7°F41.7°F50.2°F
April 1246.8°F47.5°F42.3°F50.4°F
April 1345.5°F48.7°F41.9°F53.6°F
April 1446°F48.9°F41.5°F54.9°F
April 1548.2°F52°F41.7°F54.7°F
Day 2025 2024 Min Max
April 1647.1°F52.9°F42.1°F53.1°F
April 1748.6°F51.3°F42.3°F53.8°F
April 1846.9°F49.6°F42.4°F54.3°F
April 1946.8°F50.2°F42.8°F54.5°F
April 2045.7°F50.2°F43.3°F53.4°F
April 2148.2°F50.7°F44.1°F54°F
April 2249.1°F51.3°F45°F54°F
April 2352.5°F50.9°F45.3°F54.1°F
April 2454.5°F51.8°F45.7°F54.7°F
April 2555.4°F52.7°F46.4°F55.4°F
April 2654.3°F51.3°F47.7°F54.3°F
April 2754°F51.3°F47.8°F54°F
April 2852.7°F51.4°F48.2°F53.1°F
April 2953.2°F52.5°F48°F53.2°F
April 3053.6°F52.2°F47.5°F53.6°F
Port Monmouth water temp chart in April

Average water temperature in Port Monmouth in April over a decade

20162017201820192020
48.6°F47.7°F45°F48.4°F48.4°F
20212022202320242025
49.6°F48°F51.4°F48.9°F48.9°F

Port Monmouth sea state in April

Chart comparing the height of waves in Port Monmouth in April over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in Port Monmouth in April

Port Monmouth water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in April?

Want to know where the water temperature in April is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Temperature in neighboring cities

The nearest locations with the average water temperature in April. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Belford47.7°F40.1°F55.4°F
Ideal Beach47.7°F40.1°F55.4°F
Cedar Grove Beach47.7°F40.3°F54.7°F
Oceanport46.9°F39.6°F53.8°F
Cliffwood Beach48.2°F40.6°F57.6°F
Keyport48.2°F40.6°F57.6°F
Laurence Harbor48.2°F40.6°F57.6°F
Brooklyn47.1°F39.9°F54.1°F
Midland Beach47.5°F40.3°F54.1°F
Arrochar47.3°F40.1°F54°F

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Port Monmouth is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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