South Amboy water temp
This data the coastal South Amboy 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 South Amboy
Water temperature in South Amboy today is 70.5°F. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near South Amboy was recorded in 2021 and was 72°F, and the coldest was recorded in 2013 at 65.1°F. Sea water temperature in South Amboy is expected to drop to 66.4°F in the next 10 days. September average water temperature in South Amboy is 71.2°F, the minimum temperature is 64.9°F, and the maximum is 78.3°F.
The swimming season in South Amboy lasts from June to September. During those months, South Amboy water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in South Amboy in winter reaches 42.1°F, in spring 49.1°F, in summer the average temperature rises to 72.5°F, and in autumn it is 62.8°F.
South Amboy water temperature now
| September 26, 2025 |
|---|
| today temp |
| 70.5°F |
| September 25, 2025 |
|---|
| yesterday temp |
| 71.1°F |
The ocean salinity in South Amboy is 27.35‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in South Amboy 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 South Amboy. 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 South Amboy. 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' 7" | 1' 7" | 1' 4" | 1' 2" |
| 0.47 m | 0.47 m | 0.41 m | 0.36 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 1' 2" | 1' 1" | 1' 1" | 1' 1" |
| 0.35 m | 0.33 m | 0.33 m | 0.32 m |
Surf report in South Amboy
South Amboy weather forecast
Current temperature and weather
Data in a table show South Amboy temperature today (September 26, 2025). For more information and forecast for a few days, go to the weather forecast South Amboy.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | | |  |
| 71.2°F | 68.2°F | 66.7°F | 70.9°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
 | | | |
| 77.5°F | 82.4°F | 81.7°F | 74.1°F |
You may also be interested in other sections of our site for South Amboy: Sunrise and Sunset, Tides
South Amboy water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in South Amboy. 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 South Amboy 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 | 40.8°F | 33.6°F | 47.3°F | cold |
| Ocean water temperature in South Amboy in January | ||||
| February | 39°F | 34.2°F | 44.6°F | cold |
| Ocean water temperature in South Amboy in February | ||||
| March | 41.5°F | 34.9°F | 50.4°F | cold |
| Ocean water temperature in South Amboy in March | ||||
| April | 48.2°F | 40.6°F | 57.6°F | cold |
| Ocean water temperature in South Amboy in April | ||||
| May | 57.4°F | 48.7°F | 68.7°F | cold |
| Ocean water temperature in South Amboy in May | ||||
| June | 67.5°F | 59.9°F | 77°F | cold |
| Ocean water temperature in South Amboy in June | ||||
| July | 74.8°F | 68°F | 82.8°F | warm |
| Ocean water temperature in South Amboy in July | ||||
| August | 75.2°F | 69.6°F | 81.1°F | warm |
| Ocean water temperature in South Amboy in August | ||||
| September | 71.2°F | 64.9°F | 78.3°F | warm |
| Ocean water temperature in South Amboy in September | ||||
| October | 63.1°F | 56.1°F | 71.8°F | cold |
| Ocean water temperature in South Amboy in October | ||||
| November | 53.8°F | 47.1°F | 61.7°F | cold |
| Ocean water temperature in South Amboy in November | ||||
| December | 46.4°F | 37.6°F | 52.5°F | cold |
| Ocean water temperature in South Amboy in December | ||||
Chart monthly average water temperature in South Amboy
