Sagaponack water temp
This data the coastal Sagaponack 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 Sagaponack
Water temperature in Sagaponack today is 68.9°F. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near Sagaponack was recorded in 2018 and was 73.9°F, and the coldest was recorded in 2017 at 67.1°F. Sea water temperature in Sagaponack is expected to rise to 69.3°F in the next 10 days. September average water temperature in Sagaponack is 68.7°F, the minimum temperature is 63.9°F, and the maximum is 74.3°F.
The swimming season in Sagaponack lasts from July to September. During those months, Sagaponack water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Sagaponack in winter reaches 44.8°F, in spring 45.9°F, in summer the average temperature rises to 68°F, and in autumn it is 62.8°F.
Sagaponack water temperature now
| September 5, 2025 |
|---|
| today temp |
| 68.9°F |
| September 4, 2025 |
|---|
| yesterday temp |
| 68°F |
The sea salinity in Sagaponack is 29.86‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Sagaponack 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 Sagaponack. 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 Sagaponack. Data in table shown for September 6, 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 |
|---|---|---|---|
| 3' 2" | 3' 4" | 3' 5" | 3' 6" |
| 0.96 m | 1.02 m | 1.04 m | 1.06 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 3' 8" | 3' 11" | 4' 4" | 4' 7" |
| 1.13 m | 1.2 m | 1.31 m | 1.4 m |
Surf report in Sagaponack
Sagaponack weather forecast
Current temperature and weather
Data in a table show Sagaponack temperature today (September 6, 2025). For more information and forecast for a few days, go to the weather forecast Sagaponack.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 |  | | |
| 67.8°F | 68.9°F | 69.4°F | 69.6°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
 | | | |
| 70.2°F | 69.8°F | 70.2°F | 70.3°F |
You may also be interested in other sections of our site for Sagaponack: Sunrise and Sunset, Tides
Sagaponack water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Sagaponack. 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 Sagaponack 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 | 44.1°F | 38.7°F | 50.5°F | cold |
| Sea water temperature in Sagaponack in January | ||||
| February | 40.6°F | 35.4°F | 45.9°F | cold |
| Sea water temperature in Sagaponack in February | ||||
| March | 40.8°F | 35.2°F | 50.4°F | cold |
| Sea water temperature in Sagaponack in March | ||||
| April | 44.8°F | 37.6°F | 52.7°F | cold |
| Sea water temperature in Sagaponack in April | ||||
| May | 52.2°F | 44.6°F | 64°F | cold |
| Sea water temperature in Sagaponack in May | ||||
| June | 61.9°F | 53.4°F | 71.1°F | cold |
| Sea water temperature in Sagaponack in June | ||||
| July | 70.5°F | 63.5°F | 75.2°F | warm |
| Sea water temperature in Sagaponack in July | ||||
| August | 71.8°F | 67.8°F | 76.8°F | warm |
| Sea water temperature in Sagaponack in August | ||||
| September | 68.7°F | 63.9°F | 74.3°F | warm |
| Sea water temperature in Sagaponack in September | ||||
| October | 63.1°F | 56.3°F | 68.5°F | cold |
| Sea water temperature in Sagaponack in October | ||||
| November | 56.7°F | 50.5°F | 62.8°F | cold |
| Sea water temperature in Sagaponack in November | ||||
| December | 49.8°F | 42.6°F | 56.1°F | cold |
| Sea water temperature in Sagaponack in December | ||||
Chart monthly average water temperature in Sagaponack
