Carlsbad water temp
This data the coastal Carlsbad 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 Carlsbad
Water temperature in Carlsbad today is 66.9°F. Based on our historical data over a period of ten years, the warmest water in this day in Carlsbad was recorded in 2015 and was 75.7°F, and the coldest was recorded in 2024 at 63.3°F. Sea water temperature in Carlsbad is expected to rise to 68°F in the next 10 days. September average water temperature in Carlsbad is 70.2°F, the minimum temperature is 61.2°F, and the maximum is 77°F.
The swimming season in Carlsbad lasts from June to October. During those months, Carlsbad water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Carlsbad in winter reaches 59.5°F, in spring 61.5°F, in summer the average temperature rises to 69.3°F, and in autumn it is 67.1°F.
Carlsbad water temperature now
| September 27, 2025 |
|---|
| today temp |
| 66.9°F |
| September 26, 2025 |
|---|
| yesterday temp |
| 66.9°F |
The ocean salinity in Carlsbad is 32.87‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Carlsbad 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 Carlsbad. 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 Carlsbad. Data in table shown for September 27, 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 |
|---|---|---|---|
| 2' 7" | 2' 7" | 2' 6" | 2' 7" |
| 0.8 m | 0.78 m | 0.77 m | 0.78 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 2' 7" | 2' 7" | 2' 8" | 2' 10" |
| 0.78 m | 0.8 m | 0.82 m | 0.86 m |
Surf report in Carlsbad
Carlsbad weather forecast
Current temperature and weather
Data in a table show Carlsbad temperature today (September 27, 2025). For more information and forecast for a few days, go to the weather forecast Carlsbad.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 |  |  |  |
| 65.3°F | 63.3°F | 64.4°F | 68.4°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| | | |
| 69.6°F | 68.9°F | 68°F | 66.6°F |
You may also be interested in other sections of our site for Carlsbad: Sunrise and Sunset, Tides
Carlsbad water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Carlsbad. 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 Carlsbad 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 | 59°F | 55.4°F | 62.2°F | cold |
| Ocean water temperature in Carlsbad in January | ||||
| February | 58.8°F | 55.8°F | 63.3°F | cold |
| Ocean water temperature in Carlsbad in February | ||||
| March | 59.5°F | 55.2°F | 66.4°F | cold |
| Ocean water temperature in Carlsbad in March | ||||
| April | 60.8°F | 54.7°F | 67.3°F | cold |
| Ocean water temperature in Carlsbad in April | ||||
| May | 64°F | 57.9°F | 68.9°F | cold |
| Ocean water temperature in Carlsbad in May | ||||
| June | 66.4°F | 60.6°F | 72.9°F | cold |
| Ocean water temperature in Carlsbad in June | ||||
| July | 70.2°F | 64.8°F | 76.1°F | warm |
| Ocean water temperature in Carlsbad in July | ||||
| August | 71.1°F | 63.1°F | 78.4°F | warm |
| Ocean water temperature in Carlsbad in August | ||||
| September | 70.2°F | 61.2°F | 77°F | warm |
| Ocean water temperature in Carlsbad in September | ||||
| October | 67.3°F | 61°F | 74.1°F | cold |
| Ocean water temperature in Carlsbad in October | ||||
| November | 63.7°F | 57.4°F | 70.7°F | cold |
| Ocean water temperature in Carlsbad in November | ||||
| December | 60.6°F | 56.5°F | 65.5°F | cold |
| Ocean water temperature in Carlsbad in December | ||||
Chart monthly average water temperature in Carlsbad
