Crystal Bay water temp
This data the coastal Crystal Bay 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 water temperature in Crystal Bay
Water temperature in Crystal Bay today is 67.1°F. Based on our historical data over a period of ten years, the warmest water in this day in Crystal Bay was recorded in 2017 and was 70.5°F, and the coldest was recorded in 2023 at 64.8°F. Water temperature in Crystal Bay is expected to drop to 65.7°F in the next 10 days. September average water temperature in Crystal Bay is 65.1°F, the minimum temperature is 59°F, and the maximum is 71.4°F.
The swimming season in Crystal Bay lasts from July to August. During those months, Crystal Bay water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Crystal Bay in winter reaches 43.7°F, in spring 45.9°F, in summer the average temperature rises to 64.2°F, and in autumn it is 58.6°F.
Crystal Bay water temperature now
| September 5, 2025 |
|---|
| today temp |
| 67.1°F |
| September 4, 2025 |
|---|
| yesterday temp |
| 66.7°F |
Surf Forecast in Crystal 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 Crystal 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 Crystal Bay. Data in table shown for September 5, 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 |
|---|---|---|---|
| 0' 7" | 0' 5" | 0' 2" | 0' 1" |
| 0.19 m | 0.12 m | 0.06 m | 0.03 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 0' 0" | 0' 1" | 0' 1" | 0' 2" |
| 0.01 m | 0.02 m | 0.02 m | 0.05 m |
Surf report in Crystal Bay
Crystal Bay weather forecast
Current temperature and weather
Data in a table show Crystal Bay temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Crystal Bay.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | | |  |
| 62.4°F | 58.8°F | 60.4°F | 72.5°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| | | |
| 84.9°F | 86°F | 79.9°F | 69.1°F |
You may also be interested in other sections of our site for Crystal Bay: Sunrise and Sunset, Tides
Crystal Bay water temperature by month
These figures shows the average, minimum and maximum monthly water temperature in Crystal 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 Crystal 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 | 43°F | 40.1°F | 45.9°F | cold |
| Water temperature in Crystal Bay in January | ||||
| February | 41.9°F | 39.6°F | 44.4°F | cold |
| Water temperature in Crystal Bay in February | ||||
| March | 42.3°F | 39.6°F | 46.6°F | cold |
| Water temperature in Crystal Bay in March | ||||
| April | 44.6°F | 40.8°F | 51.6°F | cold |
| Water temperature in Crystal Bay in April | ||||
| May | 50.5°F | 43.7°F | 60.4°F | cold |
| Water temperature in Crystal Bay in May | ||||
| June | 57.9°F | 50.7°F | 68.7°F | cold |
| Water temperature in Crystal Bay in June | ||||
| July | 66.4°F | 59°F | 74.1°F | cold |
| Water temperature in Crystal Bay in July | ||||
| August | 68.2°F | 64°F | 72°F | warm |
| Water temperature in Crystal Bay in August | ||||
| September | 65.1°F | 59°F | 71.4°F | cold |
| Water temperature in Crystal Bay in September | ||||
| October | 58.8°F | 53.2°F | 64.9°F | cold |
| Water temperature in Crystal Bay in October | ||||
| November | 52.2°F | 46.9°F | 58.1°F | cold |
| Water temperature in Crystal Bay in November | ||||
| December | 46.4°F | 42.3°F | 52°F | cold |
| Water temperature in Crystal Bay in December | ||||
Chart monthly average water temperature in Crystal Bay
