Islamorada Water Temperature

(Today) 2025

25.3°C / 77.6°F

The water will feel warm (balmy). Most people will be OK with just bathers / swimming costume at this temperature. If you intend to stay in the water for a while a thin shorty wetsuit will suffice.

Current weather

25°C / 77°F
(clear sky)

Wind

16 mph

Humidity

75%

The measurements for the water temperature in Islamorada, Florida are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.

Live data may vary from satellite readings for a number of reasons. These include local factors, depth of smapling and time of day.

Water temp by month

Monthly average max / min water temperatures

The graph below shows the range of monthly Islamorada water temperature derived from many years of historical sea surface temperature data.

Islamorada average maximum / minimum water temperatures

Maximum and minimum monthly sea temperatures in Islamorada Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec


Min °C	21.8	21.4	21.9	24.3	25.1	27.4	28.4	29.4	28.8	26.3	24.2	23.4
Max °C	24.8	25.1	26.5	27.8	29.4	29.9	31	31.3	30.5	30.2	28	26
Min °F	72.4	72	73.3	77.1	78.9	82.3	84.2	85.6	84.5	80.9	77.1	75.2
Max °F	75.4	75.7	77.9	80.6	83.2	84.8	86.8	87.5	86.2	84.8	80.9	77.8

The warmest water temperature is in August with an average around 86.5°F / 30.3°C. The coldest month is February with an average water temperature of 73.8°F / 23.2°C.

7 day tide forecast for Islamorada

Sun Mon Tue Wed Thu Fri Sat 7 day tide times for Islamorada


Low 5:27am (0.03m) High 10:25am (0.23m) Low 6:32pm (-0.08m) High 11:58pm (0.15m)	Low 6:04am (0.04m) High 11:04am (0.25m) Low 7:24pm (-0.09m)	High 12:50am (0.14m) Low 6:42am (0.04m) High 11:47am (0.25m) Low 8:17pm (-0.08m)	High 1:42am (0.12m) Low 7:23am (0.04m) High 12:35pm (0.25m) Low 9:13pm (-0.07m)	High 2:36am (0.1m) Low 8:07am (0.04m) High 1:27pm (0.23m) Low 10:13pm (-0.05m)	High 3:35am (0.09m) Low 8:57am (0.05m) High 2:25pm (0.22m) Low 11:18pm (-0.02m)	High 4:43am (0.09m) Low 10:00am (0.06m) High 3:32pm (0.2m)

These tide times are estimates based on the nearest accurate location (Islamorada, Upper Matecumbe Key, Florida Bay, Florida) and may differ by up to half an hour depending on distance. Please note, the tide times given are not suitable for navigational purposes.

Average April sea temperatures

Max: 27.8°C / 82°F
Avg: 26°C / 78.8°F
Min: 24.3°C / 75.7°F

These average ocean temperatures for Islamorada are calculated from several years of archived data.

Map showing location of Islamorada (24.924300, -80.627840)

Locations nearby

Plantation (8.2km/5.1mi)
Tavernier (12.8km/8mi)
Butternut Key (17.5km/10.9mi)
Key Largo (21.9km/13.7mi)
Trout Cove (24.7km/15.5mi)
Johnson Key (25.7km/16.1mi)
Duck Key (28km/17.5mi)
Murray Key (31.6km/19.8mi)
North Key Largo (41.4km/25.9mi)
Marathon (43.1km/26.9mi)

Temperature Variations

Whilst sea temperatures for Islamorada are as accurate as current data allows, there may be slight local and regional variations depending on conditions. Time of day and wind direction may have a temporary local effect as can water flows from neraby rivers.

Alternate names for Islamorada