Astoria water temp
This data the coastal Astoria 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 Astoria
Water temperature in Astoria today is 63.7°F. Based on our historical data over a period of ten years, the warmest water in this day in the Pacific Ocean near Astoria was recorded in 2023 and was 65.7°F, and the coldest was recorded in 2011 at 55.9°F. Sea water temperature in Astoria is expected to drop to 58.6°F in the next 10 days. September average water temperature in Astoria is 59.7°F, the minimum temperature is 54.7°F, and the maximum is 68.7°F.
Throughout the year, the water temperature in Astoria does not rise above 68°F and therefore is not suitable for comfortable swimming. But on some days of August, the water temperature warms up to 68°F and above. The average water temperature in Astoria in winter reaches 47.7°F, in spring 50.7°F, in summer the average temperature rises to 60.1°F, and in autumn it is 56.3°F.
Astoria water temperature now
| September 20, 2025 |
|---|
| today temp |
| 63.7°F |
| September 19, 2025 |
|---|
| yesterday temp |
| 64.2°F |
The ocean salinity in Astoria is 24.68‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Astoria 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 Astoria. 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 Astoria. Data in table shown for September 20, 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' 5" | 3' 3" | 3' 2" | 3' 1" |
| 1.05 m | 1 m | 0.96 m | 0.93 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 3' 1" | 3' 1" | 3' 3" | 3' 3" |
| 0.93 m | 0.95 m | 0.98 m | 0.98 m |
Surf report in Astoria
Astoria weather forecast
Current temperature and weather
Data in a table show Astoria temperature today (September 20, 2025). For more information and forecast for a few days, go to the weather forecast Astoria.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | | | |
| 52.9°F | 51.8°F | 51.4°F | 51.3°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
 | | | |
| 53.1°F | 54.5°F | 55°F | 55.6°F |
You may also be interested in other sections of our site for Astoria: Sunrise and Sunset, Tides
Astoria water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Astoria. 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 Astoria 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 | 47.7°F | 41.2°F | 50.9°F | cold |
| Ocean water temperature in Astoria in January | ||||
| February | 46.6°F | 41.2°F | 51.4°F | cold |
| Ocean water temperature in Astoria in February | ||||
| March | 47.5°F | 43°F | 52°F | cold |
| Ocean water temperature in Astoria in March | ||||
| April | 50°F | 46°F | 55.9°F | cold |
| Ocean water temperature in Astoria in April | ||||
| May | 54.7°F | 49.6°F | 60.4°F | cold |
| Ocean water temperature in Astoria in May | ||||
| June | 58.3°F | 52.9°F | 68.9°F | cold |
| Ocean water temperature in Astoria in June | ||||
| July | 61.2°F | 53.8°F | 70.5°F | cold |
| Ocean water temperature in Astoria in July | ||||
| August | 60.6°F | 53.8°F | 70.2°F | cold |
| Ocean water temperature in Astoria in August | ||||
| September | 59.7°F | 54.7°F | 68.7°F | cold |
| Ocean water temperature in Astoria in September | ||||
| October | 56.8°F | 51.4°F | 64°F | cold |
| Ocean water temperature in Astoria in October | ||||
| November | 52.2°F | 46.8°F | 57.4°F | cold |
| Ocean water temperature in Astoria in November | ||||
| December | 48.9°F | 44.8°F | 54.3°F | cold |
| Ocean water temperature in Astoria in December | ||||
Chart monthly average water temperature in Astoria
