Alamitos Bay water temp
This data the coastal Alamitos Bay 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 Alamitos Bay
Water temperature in Alamitos Bay today is 68.5°F. Based on our historical data over a period of ten years, the warmest water in this day in Alamitos Bay was recorded in 2015 and was 73°F, and the coldest was recorded in 2021 at 62.1°F. Sea water temperature in Alamitos Bay is expected to drop to 68.2°F in the next 10 days. September average water temperature in Alamitos Bay is 68°F, the minimum temperature is 60.4°F, and the maximum is 75.2°F.
The swimming season in Alamitos Bay lasts from July to October. During those months, Alamitos Bay water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Alamitos Bay in winter reaches 59.2°F, in spring 59.9°F, in summer the average temperature rises to 66.4°F, and in autumn it is 65.7°F.
Alamitos Bay water temperature now
| September 5, 2025 |
|---|
| today temp |
| 68.5°F |
| September 4, 2025 |
|---|
| yesterday temp |
| 69.8°F |
The ocean salinity in Alamitos Bay is 32.82‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Alamitos Bay 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 Alamitos Bay. 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 Alamitos Bay. 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 |
|---|---|---|---|
| 2' 9" | 2' 9" | 2' 9" | 2' 10" |
| 0.84 m | 0.84 m | 0.85 m | 0.87 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 2' 11" | 2' 10" | 2' 11" | 3' 1" |
| 0.88 m | 0.87 m | 0.88 m | 0.93 m |
Surf report in Alamitos Bay
Alamitos Bay weather forecast
Current temperature and weather
Data in a table show Alamitos Bay temperature today (September 6, 2025). For more information and forecast for a few days, go to the weather forecast Alamitos Bay.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 |  | | |
| 67.1°F | 65.3°F | 64.9°F | 67.8°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
 | | | |
| 74.3°F | 76.5°F | 73.4°F | 67.8°F |
You may also be interested in other sections of our site for Alamitos Bay: Sunrise and Sunset, Tides
Alamitos Bay water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Alamitos Bay. 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 Alamitos Bay 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 | 58.6°F | 55.2°F | 62.1°F | cold |
| Ocean water temperature in Alamitos Bay in January | ||||
| February | 58.5°F | 54°F | 62.6°F | cold |
| Ocean water temperature in Alamitos Bay in February | ||||
| March | 58.5°F | 54.3°F | 63.7°F | cold |
| Ocean water temperature in Alamitos Bay in March | ||||
| April | 59.2°F | 53.2°F | 64.2°F | cold |
| Ocean water temperature in Alamitos Bay in April | ||||
| May | 61.9°F | 56.1°F | 66.9°F | cold |
| Ocean water temperature in Alamitos Bay in May | ||||
| June | 64.8°F | 60.4°F | 70.2°F | cold |
| Ocean water temperature in Alamitos Bay in June | ||||
| July | 66.9°F | 57.4°F | 73.8°F | cold |
| Ocean water temperature in Alamitos Bay in July | ||||
| August | 67.6°F | 59.7°F | 75.2°F | cold |
| Ocean water temperature in Alamitos Bay in August | ||||
| September | 68°F | 60.4°F | 75.2°F | warm |
| Ocean water temperature in Alamitos Bay in September | ||||
| October | 66.2°F | 59.5°F | 73.4°F | cold |
| Ocean water temperature in Alamitos Bay in October | ||||
| November | 63°F | 55.4°F | 70.2°F | cold |
| Ocean water temperature in Alamitos Bay in November | ||||
| December | 60.3°F | 55.8°F | 65.7°F | cold |
| Ocean water temperature in Alamitos Bay in December | ||||
Chart monthly average water temperature in Alamitos Bay
