World sea water temperatures

Water temperature in New Castle (NH) in October

Is it warm enough to swim in New Castle in October? Average water temperature in New Castle in October is 56.7°F and therefore is not suitable for comfortable swimming. The warmest sea in New Castle in October is 62.8°F, and the coldest is 50.7°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in New Castle

Changes water temperature in New Castle in October 2024, 2023

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

You can choose any other years:

Year 1:   Year 2:


Day 2024 2023 Min Max
October 161.9°F60.4°F58.3°F62.6°F
October 261.7°F60.3°F57.6°F61.9°F
October 359.7°F61.7°F57.2°F61.7°F
October 461.2°F61.7°F56.3°F61.7°F
October 562.2°F62.8°F56.1°F62.8°F
October 661.3°F62.2°F55.8°F62.2°F
October 761°F61.9°F55.4°F62.1°F
October 861.2°F60.8°F55.2°F62.1°F
October 960.8°F59.5°F55.6°F61.7°F
October 1059.9°F58.8°F55.6°F61.2°F
October 1158.8°F58.8°F55.6°F61.7°F
October 1257.7°F58.5°F54.9°F61.5°F
October 1358.1°F58.6°F55.4°F62.4°F
October 1457°F58.6°F54.5°F61.9°F
October 1556.5°F58.6°F54.3°F62.2°F
Day 2024 2023 Min Max
October 1656.7°F56.3°F54.7°F62.1°F
October 1756.5°F55.9°F53.8°F61.2°F
October 1855.6°F55.4°F54°F60.1°F
October 1956.1°F57.2°F52°F60.1°F
October 2056.3°F56.3°F52.7°F58.6°F
October 2156.5°F57°F52.5°F59°F
October 2256.3°F55.8°F52.2°F59°F
October 2356.8°F56.1°F51.8°F58.3°F
October 2456.1°F56.5°F51.6°F58.5°F
October 2555.4°F56.8°F51.1°F57.9°F
October 2655.2°F57.4°F51.4°F57.4°F
October 2754.1°F58.8°F51.3°F58.8°F
October 2854.1°F58.5°F51.1°F58.5°F
October 2954.3°F56.8°F51.1°F56.8°F
October 3054.1°F56.3°F50.9°F56.3°F
October 3154.1°F56.8°F50.7°F56.8°F
New Castle water temp chart in October

Average water temperature in New Castle in October over a decade

20152016201720182019
55.2°F57.4°F58.6°F57°F56.3°F
20202021202220232024
56.1°F59.9°F56.7°F58.5°F57.6°F

New Castle sea state in October

Chart comparing the height of waves in New Castle in October 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 New Castle in October

New Castle 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 October?

Want to know where the water temperature in October 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 October. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Wallis Sands Beach56.8°F50.9°F63°F
Hampton57°F51.1°F63°F
Hampton Beach57°F51.1°F63°F
Wells56.3°F50.5°F62.6°F
Salisbury57°F51.1°F63.1°F
Drakes Island Beach56.1°F50.5°F62.4°F
Kennebunkport56.1°F50.5°F62.4°F
Newburyport57°F51.1°F63.1°F
Plum Island57.2°F51.3°F63.1°F
Goose Rocks Beach56.1°F50.4°F62.2°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 New Castle 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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