Shell Island water temp
This data the coastal Shell Island ocean 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 ocean temperature in Shell Island
Water temperature in Shell Island today is 84.2°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Shell Island was recorded in 2018 and was 85.5°F, and the coldest was recorded in 2020 at 79.5°F. Sea water temperature in Shell Island is expected to drop to 80.4°F in the next 10 days. September average water temperature in Shell Island is 83.8°F, the minimum temperature is 79.5°F, and the maximum is 87.4°F.
The swimming season in Shell Island lasts from March to November. During those months, Shell Island water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Shell Island in winter reaches 63.1°F, in spring 70.9°F, in summer the average temperature rises to 84.4°F, and in autumn it is 77.7°F.
Shell Island water temperature now
| September 26, 2025 |
|---|
| today temp |
| 84.2°F |
| September 25, 2025 |
|---|
| yesterday temp |
| 84.2°F |
Surf Forecast in Shell 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 Shell 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 Shell Island. Data in table shown for September 26, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
| 1' 5" | 1' 7" | 1' 8" | 1' 9" |
| 0.44 m | 0.49 m | 0.52 m | 0.54 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 1' 8" | 1' 7" | 1' 5" | 1' 3" |
| 0.51 m | 0.49 m | 0.44 m | 0.39 m |
Surf report in Shell Island
Shell Island weather forecast
Current temperature and weather
Data in a table show Shell Island temperature today (September 26, 2025). For more information and forecast for a few days, go to the weather forecast Shell Island.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | |  |  |
| 78.1°F | 75.9°F | 73.6°F | 73°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
 |  | | |
| 77.7°F | 77.5°F | 75.6°F | 73.2°F |
You may also be interested in other sections of our site for Shell Island: Sunrise and Sunset
Shell Island water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Shell 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 Shell 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
| Month | Avr | Min | Max | |
|---|---|---|---|---|
| January | 61.7°F | 54.1°F | 69.8°F | cold |
| Ocean water temperature in Shell Island in January | ||||
| February | 62.1°F | 57.4°F | 71.1°F | cold |
| Ocean water temperature in Shell Island in February | ||||
| March | 65.5°F | 59°F | 77.2°F | cold |
| Ocean water temperature in Shell Island in March | ||||
| April | 70.2°F | 63.5°F | 78.3°F | warm |
| Ocean water temperature in Shell Island in April | ||||
| May | 76.8°F | 70.2°F | 84.7°F | warm |
| Ocean water temperature in Shell Island in May | ||||
| June | 82.8°F | 75.6°F | 88.3°F | hot |
| Ocean water temperature in Shell Island in June | ||||
| July | 84.9°F | 81.7°F | 87.8°F | hot |
| Ocean water temperature in Shell Island in July | ||||
| August | 85.6°F | 81.3°F | 88.7°F | hot |
| Ocean water temperature in Shell Island in August | ||||
| September | 83.8°F | 79.5°F | 87.4°F | hot |
| Ocean water temperature in Shell Island in September | ||||
| October | 78.3°F | 71.6°F | 85.1°F | hot |
| Ocean water temperature in Shell Island in October | ||||
| November | 71.1°F | 64.8°F | 77.5°F | warm |
| Ocean water temperature in Shell Island in November | ||||
| December | 65.5°F | 58.1°F | 69.6°F | cold |
| Ocean water temperature in Shell Island in December | ||||
Chart monthly average water temperature in Shell Island
