Sunnyside water temp
This data the coastal Sunnyside 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 Sunnyside
Water temperature in Sunnyside today is 84°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Sunnyside was recorded in 2018 and was 85.3°F, and the coldest was recorded in 2020 at 80.1°F. Sea water temperature in Sunnyside is expected to drop to 80.6°F in the next 10 days. September average water temperature in Sunnyside is 83.8°F, the minimum temperature is 79.5°F, and the maximum is 87.6°F.
The swimming season in Sunnyside lasts from March to November. During those months, Sunnyside water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Sunnyside in winter reaches 63.5°F, in spring 70.7°F, in summer the average temperature rises to 84.4°F, and in autumn it is 77.9°F.
Sunnyside water temperature now
| September 26, 2025 |
|---|
| today temp |
| 84°F |
| September 25, 2025 |
|---|
| yesterday temp |
| 83.3°F |
The ocean salinity in Sunnyside is 35.10‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Sunnyside 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 Sunnyside. 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 Sunnyside. 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' 10" | 2' 0" | 2' 0" | 2' 0" |
| 0.57 m | 0.62 m | 0.62 m | 0.62 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 1' 11" | 1' 9" | 1' 7" | 1' 5" |
| 0.58 m | 0.54 m | 0.48 m | 0.43 m |
Surf report in Sunnyside
Sunnyside weather forecast
Current temperature and weather
Data in a table show Sunnyside temperature today (September 26, 2025). For more information and forecast for a few days, go to the weather forecast Sunnyside.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 |  |  |  |
| 76.6°F | 73.9°F | 72.1°F | 73.6°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| | |  |
| 78.3°F | 78.6°F | 78.1°F | 77.2°F |
You may also be interested in other sections of our site for Sunnyside: Sunrise and Sunset, Tides
Sunnyside water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Sunnyside. 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 Sunnyside 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 | 62.2°F | 55.9°F | 69.4°F | cold |
| Ocean water temperature in Sunnyside in January | ||||
| February | 62.2°F | 57.4°F | 70°F | cold |
| Ocean water temperature in Sunnyside in February | ||||
| March | 65.3°F | 59.5°F | 76.8°F | cold |
| Ocean water temperature in Sunnyside in March | ||||
| April | 70°F | 63.5°F | 77.7°F | warm |
| Ocean water temperature in Sunnyside in April | ||||
| May | 76.6°F | 70.2°F | 84.7°F | warm |
| Ocean water temperature in Sunnyside in May | ||||
| June | 82.6°F | 75.7°F | 88.2°F | hot |
| Ocean water temperature in Sunnyside in June | ||||
| July | 84.9°F | 81.7°F | 88.2°F | hot |
| Ocean water temperature in Sunnyside in July | ||||
| August | 85.6°F | 81.3°F | 88.9°F | hot |
| Ocean water temperature in Sunnyside in August | ||||
| September | 83.8°F | 79.5°F | 87.6°F | hot |
| Ocean water temperature in Sunnyside in September | ||||
| October | 78.4°F | 72°F | 85.1°F | hot |
| Ocean water temperature in Sunnyside in October | ||||
| November | 71.4°F | 64.8°F | 77.5°F | warm |
| Ocean water temperature in Sunnyside in November | ||||
| December | 66°F | 59.9°F | 71.1°F | cold |
| Ocean water temperature in Sunnyside in December | ||||
Chart monthly average water temperature in Sunnyside
