Water temperature in Fernandina Island

This data the coastal Fernandina Island 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 Fernandina Island

Water temperature in Fernandina Island today is 19.9°C. Based on our historical data over a period of ten years, the warmest water in this day in Fernandina Island was recorded in 2015 and was 25.3°C, and the coldest was recorded in 2021 at 18.9°C. Sea water temperature in Fernandina Island is expected to rise to 23°C in the next 10 days. December average water temperature in Fernandina Island is 21.7°C, the minimum temperature is 18.8°C, and the maximum is 26.7°C.

The swimming season in Fernandina Island lasts from January to December, twelve months per year! During those months, Fernandina Island water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Fernandina Island in winter reaches 23.6°C, in spring 24.9°C, in summer the average temperature rises to 21.3°C, and in autumn it is 20.6°C.

Fernandina Island water temperature now

Surf Forecast in Fernandina Island 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 Fernandina Island. 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 Fernandina Island. Data in table shown for 23 December 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Fernandina Island

Fernandina Island weather forecast

Current temperature and weather

Data in a table show Fernandina Island temperature today (23 December 2025). For more information and forecast for a few days, go to the weather forecast Fernandina Island.

0-3 h	3-6 h	6-9 h	9-12 h
21.6°C	21.1°C	21.1°C	22.2°C

12-15 h	15-18 h	18-21 h	21-24 h
24°C	24.7°C	23.8°C	22.5°C

Fernandina Island water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Fernandina Island. 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 Fernandina Island 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

Chart monthly average water temperature in Fernandina Island

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Our report for Fernandina Island 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.