World sea water temperatures

Water temperature in Seabrook (NH) in April

Is it warm enough to swim in Seabrook in April? Average water temperature in Seabrook in April is 42.8°F and therefore is not suitable for comfortable swimming. The warmest sea in Seabrook in April is 50°F, and the coldest is 37.2°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Seabrook

Changes water temperature in Seabrook in April 2025, 2024

To get an accurate forecast for the water temperature in Seabrook for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Seabrook, 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 140.6°F40.1°F37.2°F42.8°F
April 240.3°F40.8°F37.6°F43.2°F
April 340.3°F40.6°F37.6°F42.8°F
April 440.1°F40.6°F37.8°F42.8°F
April 541°F40.8°F37.8°F43.2°F
April 641°F40.6°F38.1°F43.2°F
April 741°F40.8°F38.1°F43.5°F
April 840.8°F41°F38.3°F45.5°F
April 940.5°F42.1°F38.3°F45.1°F
April 1040.5°F42.8°F38.5°F45.5°F
April 1140.5°F42.4°F38.7°F45°F
April 1240.5°F43.3°F39°F45.5°F
April 1340.6°F44.1°F39.4°F45.3°F
April 1440.5°F43.5°F39.9°F45.1°F
April 1541.5°F44.8°F40.1°F45.9°F
Day 2025 2024 Min Max
April 1641.7°F45.9°F39.9°F47.5°F
April 1741.5°F46°F39.9°F48.2°F
April 1841.2°F46.2°F39.9°F47.8°F
April 1942.8°F46°F40.1°F48°F
April 2042.3°F46°F40.3°F48.2°F
April 2140.8°F45.3°F40.8°F48.4°F
April 2241.4°F45.9°F41.4°F48°F
April 2342.6°F46.4°F42.6°F48.2°F
April 2445°F44.6°F42.1°F50°F
April 2546.4°F44.8°F42.3°F49.8°F
April 2646°F45°F42.3°F48.6°F
April 2745°F44.8°F42.6°F48.7°F
April 2844.8°F44.8°F42.8°F48.2°F
April 2946.2°F46.8°F42.6°F48°F
April 3044.4°F46.2°F42.6°F48°F
Seabrook water temp chart in April

Average water temperature in Seabrook in April over a decade

20162017201820192020
42.8°F42.6°F41.7°F42.1°F43.2°F
20212022202320242025
44.2°F43.7°F44.6°F43.7°F42.1°F

Seabrook sea state in April

Chart comparing the height of waves in Seabrook 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 Seabrook in April

Seabrook 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
North Beach42.8°F37.2°F50°F
Jenness Beach42.6°F37.2°F50°F
Wallis Sands Beach42.4°F37.2°F50°F
Portsmouth42.4°F37.4°F50.2°F
Ipswich43°F37.2°F49.8°F
Crane Beach43°F37.2°F49.8°F
New Castle42.4°F37.2°F50°F
Rockport42.8°F37.6°F49.8°F
Kittery42.4°F37.2°F50°F
Essex43°F37.2°F49.6°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 Seabrook 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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