World sea water temperatures

Longnook Beach water temp

This data the coastal Longnook Beach sea water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current sea temperature in Longnook Beach

Water temperature in Longnook Beach today is 65.1°F. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near Longnook Beach was recorded in 2018 and was 70.7°F, and the coldest was recorded in 2017 at 62.2°F. Sea water temperature in Longnook Beach is expected to be constant 65.1°F in the next 10 days. September average water temperature in Longnook Beach is 64.6°F, the minimum temperature is 59.4°F, and the maximum is 71.4°F.

The swimming season in Longnook Beach lasts from July to August. During those months, Longnook Beach water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Longnook Beach in winter reaches 43°F, in spring 44.4°F, in summer the average temperature rises to 64.8°F, and in autumn it is 58.1°F.

Longnook Beach water temperature now


September 5, 2025
today temp
65.1°F
September 4, 2025
yesterday temp
67.1°F


Surf Forecast in Longnook Beach for today

Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Longnook Beach. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Longnook Beach. Data in table shown for September 5, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

0-3 h3-6 h6-9 h9-12 h
2' 3"2' 2"2' 2"2' 4"
0.68 m0.66 m0.67 m0.72 m
12-15 h15-18 h18-21 h21-24 h
2' 6"2' 9"3' 1"3' 2"
0.77 m0.85 m0.93 m0.97 m

Surf report in Longnook Beach

Longnook Beach wave height and direction

Longnook Beach weather forecast

Longnook Beach wind speed and direction

Current temperature and weather

Data in a table show Longnook Beach temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Longnook Beach.

0-3 h3-6 h6-9 h9-12 h
63.5°F64.4°F64.9°F66.4°F
12-15 h15-18 h18-21 h21-24 h
68.4°F69.4°F68.9°F68°F

You may also be interested in other sections of our site for Longnook Beach: Sunrise and Sunset

Longnook Beach water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Longnook Beach. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Longnook Beach on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

MonthAvrMinMax
January42.4°F38.3°F47.5°Fcold
Sea water temperature in Longnook Beach in January
February39.7°F36°F43.7°Fcold
Sea water temperature in Longnook Beach in February
March39.9°F36.3°F46.6°Fcold
Sea water temperature in Longnook Beach in March
April43°F37.8°F49.5°Fcold
Sea water temperature in Longnook Beach in April
May50.2°F43.9°F61.7°Fcold
Sea water temperature in Longnook Beach in May
June59°F51.3°F67.6°Fcold
Sea water temperature in Longnook Beach in June
July66.9°F59.5°F75°Fcold
Sea water temperature in Longnook Beach in July
August68.2°F61.7°F74.5°Fwarm
Sea water temperature in Longnook Beach in August
September64.6°F59.4°F71.4°Fcold
Sea water temperature in Longnook Beach in September
October58.3°F52°F64.9°Fcold
Sea water temperature in Longnook Beach in October
November51.6°F46.4°F57.6°Fcold
Sea water temperature in Longnook Beach in November
December46.6°F42.3°F50.9°Fcold
Sea water temperature in Longnook Beach in December

Chart monthly average water temperature in Longnook Beach

Water temperature in Longnook Beach

Where is the warmest sea water in the world?

If you want to plan a vacation on the beach and enjoy the warm sea, choose the day of the year, region and the minimum comfortable sea/ocean temperature that interests you. As a result, you will get a list of countries and cities in which the average sea temperature or maximum temperature on this day over the past 10 years exceeds your chosen value

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

Nearby beaches and cities

The nearest beaches and cities from Longnook Beach with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

WaterWeatherWave
High Head Beach65.5°F69.8°F2' 7"
Wellfleet67.5°F69.8°F2' 0"
Marconi Beach64.9°F69.8°F2' 7"
Cooks Brook Beach67.5°F69.8°F1' 9"
Orleans67.8°F69.8°F1' 9"
Skaket Beach67.8°F69.8°F1' 9"
First Encounter Beach67.8°F69.8°F1' 9"
Crosby Landing Beach67.8°F69.8°F1' 9"
Linnell Landing Beach67.8°F69.8°F1' 9"
Ellis Landing beach67.8°F69.8°F1' 9"

United States photo gallery

  • Rockaway beach ny
  • United States
  • United States
  • Shem Creek, Mount Pleasant, SC. Unbelievable night sky with shimp boats in the foreground!

If you have interesting photos of this place, you can upload them here. Photos will be available to all users after verification by the moderator.

Vote for Cape Cod National Seashore best beach

Current rating: (0 votes cast)

If you know this place (Longnook Beach) and want to leave your comment or rate it, then fill out the following form.

Your rating for this place:

Does this place have a "Blue Flag" award [1], are there rip currents and what type of beach is it, sand or pebble:

Is the beach a dog-friendly place, child friendly or a nudist beach?


Your comments for this place (water quality, crowds, facilities, activities, lifeguards, service etc.):



[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.

Get widget or API for your website

Our report for Longnook Beach 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.

Contact us: admin@seatemperature.info
privacy policy