Emerald Coast
Miramar Beach Water Temperature
Open Gulf surf and the coastal dune lakes of South Walton.
Sea-surface temperature
WarmHolding steady · last two weeks
That is about 3°F warmer than average for this time of year, and holding steady over the last two weeks. The November average here is 72°F.
Updated Saturday, November 7 — sea-surface temperature modeled for Miramar Beach by Open-Meteo.
For swimming
Warm
About as good as it gets — warm enough to stay in for hours without getting chilled.
For fishing
Peak season
Snook, redfish and tarpon are all active and feeding. The tarpon migration through the passes runs at the upper end of this range.
The last two weeks
| Date | Average |
|---|---|
| Oct 25 | 76.1°F |
| Oct 26 | 75.4°F |
| Oct 27 | 75°F |
| Oct 28 | 74.7°F |
| Oct 29 | 74.5°F |
| Oct 30 | 74.8°F |
| Oct 31 | 75.2°F |
| Nov 1 | 75.6°F |
| Nov 2 | 75.7°F |
| Nov 3 | 75.6°F |
| Nov 4 | 75.7°F |
| Nov 5 | 75.9°F |
| Nov 6 | 75.6°F |
| Nov 7 | 75.2°F |
Miramar Beach water temperature by month
Averaged from 3 years of daily sea-surface temperature (2023–2025). The range column is the coolest and warmest daily average recorded in that month over the period — a guide to how much any given year can differ, not a record high and low.
| Month | Range | Average |
|---|---|---|
JanJanuary Bracing | 55–65°F | 61°F |
FebFebruary Bracing | 57–68°F | 62°F |
MarMarch Bracing | 61–71°F | 66°F |
AprApril Cool but comfortable | 66–77°F | 71°F |
MayMay Warm | 72–83°F | 78°F |
JunJune Very warm | 78–88°F | 83°F |
JulJuly Very warm | 82–88°F | 85°F |
AugAugust Very warm | 85–90°F | 87°F |
SepSeptember Very warm | 83–89°F | 85°F |
OctOctober Warm | 75–83°F | 79°F |
NovNovembernow Cool but comfortable | 67–77°F | 72°F |
DecDecember Bracing | 60–69°F | 65°F |
Warmest
87°FAugust
Coolest
61°FJanuary
Warmest on average in August at 87°F; coolest in January at 61°F.
The water at Miramar Beach
Miramar Beach fronts open Gulf with no pass or inlet for miles, which makes it a surf fishery first: pompano and whiting in the trough, Spanish mackerel and ladyfish blitzing bait off the sand, and the occasional redfish cruising the first bar. The rare coastal dune lakes just east at Sandestin and Blue Mountain periodically break through to the Gulf, creating short-lived outflows that concentrate fish.
the open Gulf
What moves the water temperature here
The Gulf shelf off this coast is shallow, which is why the water swings so much more between summer and winter than open ocean at the same latitude does. Shallow water heats fast and gives that heat up fast: a single strong winter cold front can pull the inshore bays several degrees down in a couple of days, while the beaches a mile offshore barely move. Wind direction matters too — a sustained offshore breeze can pull cooler water up from below and drop the beach temperature noticeably in a morning.
Inshore bays, canals and flats run warmer than the beach through the summer and colder through the winter, for the same reason. The reading above is for the open water at Miramar Beach; expect the back bays to be a few degrees either side of it depending on the season.
Common questions
- What is the water temperature at Miramar Beach right now?
- The water at Miramar Beach is currently about 75°F (24°C). The November average here is 72°F.
- Is the water warm enough to swim at Miramar Beach in November?
- November averages 72°F at Miramar Beach, which most people would call cool but comfortable. Refreshing rather than cold — comfortable once you're past the first minute.
- When is the water warmest at Miramar Beach?
- August is the warmest month on average at 87°F, and January the coolest at 61°F. 6 months of the year average 75°F or above.
- Why does the water temperature change so quickly here?
- The Gulf shelf off this coast is shallow, so it heats and cools far faster than deep open ocean. A strong winter cold front can pull the inshore water down several degrees in a couple of days, and a sustained offshore wind can drop beach temperatures in a single morning by pulling cooler water up from below.