Cedar Key — Water Temperature, Sea Conditions & Trends
This page provides clear and up-to-date information about water temperature for Cedar Key (Florida, United States). It includes the current water temperature, daily data for the last month presented in a simple chart, and a 7-day forecast. The page also compares today’s value with typical averages for this period, shows usual monthly ranges during the year, and lists nearby beaches with short descriptions. Local weather for the next few days and general details about Cedar Key help you plan your visit and choose the best time for swimming.
Current Water Temperature
Water temperature in Cedar Key in the Gulf of America today is 27°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 79°F (26°C) to 82°F (28°C). This is very warm water, allowing for extended stays without any discomfort. Swimming in these conditions will be particularly enjoyable, making it the ideal temperature range for those who want to relax in the sea. Additionally, water in this temperature range is suitable for children and elderly people, as it is comfortable for prolonged stays.
It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart Over the Last 30 Days
Water temperature in Cedar Key today is lower than both a week ago and a month ago. Currently, the sea water temperature at this location matches the average for this day in previous years.
According to our forecast, Water temperature in Cedar Key will be 26.5°C in the next 7 days. See the table below for daily data for the upcoming week.
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| OCT 10 | 27.6°C | 27.0°C | |
| OCT 11 | 27.6°C | 27.3°C | |
| OCT 12 | 27.5°C | 27.8°C | |
| OCT 13 | 27.5°C | 27.8°C | |
| OCT 14 | 27.1°C | 27.3°C | |
| OCT 15 | 26.8°C | 26.8°C | |
| OCT 16 | 26.6°C | 26.5°C | |
| OCT 17 | 26.6°C | 26.5°C | |
| OCT 18 | 26.8°C | 26.8°C | 26.8°C |
| OCT 19 | 27.0°C | 26.8°C | |
| OCT 20 | 26.3°C | 26.7°C | |
| OCT 21 | 26.3°C | 26.7°C | |
| OCT 22 | 26.5°C | 26.6°C | |
| OCT 23 | 26.3°C | 26.6°C | |
| OCT 24 | 26.3°C | 26.5°C | |
| OCT 25 | 26.0°C | 26.5°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.
Water temperature data for this location is gathered from various sources, including buoys and satellite sea and ocean surface maps provided by the NOAA agency. We also incorporate data from local authorities in each specific location worldwide to ensure more accurate temperature readings.
Annual Water Temperature Overview by Month
Monthly Water Temp Ranges
Annual Water Temperature Trend
Cedar Key sits on the Gulf Coast of northern Florida, a small island community characterized by shallow estuaries, tidal flats and protected waters fed by the wider Gulf of Mexico. Because of its coastal position and relatively shallow inlet areas, water temperatures follow a clear seasonal rhythm: in winter (December–February) surface temperatures typically range from about 15 °C to 20 °C, spring (March–May) warms from roughly 18 °C up to about 24 °C, summer (June–August) sees the warmest conditions usually between 25 °C and 31 °C, and autumn (September–November) cools gradually with waters generally between 22 °C and 28 °C. Occasional cold snaps can push waters a few degrees below the usual winter band, while late summer often brings the year’s warmest readings.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 13°C | 17°C | 22°C |
| February | 13°C | 18°C | 23°C |
| March | 15°C | 20°C | 25°C |
| April | 18°C | 23°C | 27°C |
| May | 22°C | 26°C | 30°C |
| June | 24°C | 28°C | 32°C |
| July | 28°C | 30°C | 32°C |
| August | 27°C | 30°C | 33°C |
| September | 26°C | 29°C | 32°C |
| October | 21°C | 27°C | 30°C |
| November | 16°C | 21°C | 27°C |
| December | 14°C | 18°C | 24°C |
* Click on a month to view detailed water temperature data.
Cedar Key: Weather Forecast
October 18
October 19
October 20
Location, Beaches & Local Information
Nearby Beaches & Facilities
Atsena Otie Key
Lil Shark Park
Swimming Conditions
Swimming and beach holidays in Cedar Key tend to be low-key and nature-focused rather than resort-style. The town offers small sandy spots and many shallow bays that are pleasant for bathing, wading and family-friendly paddling when temperatures are in the mid-20s °C and above. The gentle Gulf conditions mean limited surf, making it suitable for beginner swimmers, snorkeling in clearer stretches, and launching kayaks. Visitors should be aware that many shoreline areas lack lifeguards, that tidal variation and oyster beds or seagrass can affect access, and that marine life such as jellyfish or stingrays may appear seasonally. For the warmest, most comfortable swimming pick late spring through early autumn; for cooler months, a short wet suit can extend comfort in waters in the mid-to-high teens °C.