Siesta Key, Sarasota Average Gulf Water Temp and Beach Flag Info

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Trying to plan your next trip to Siesta Key and you’re not sure what to pack? Or whether you’ll be swimming in the Gulf? Well, this average gulf water temp guide and beach flag information just might give you a little hand!Of course the weather is always unpredictable, but this table below gives you a general idea of what the amazing
Siesta Key weather may have in store for your next beach vacation.

 Air temperatures are moderated year round by Gulf water temperatures, especially on the beach.  We are on the World Famous Crescent Beach and the sugary white sands always stay cool, but the water temps and air temps fluctuate according to the time of year.

 

Here are some helpful hints on deciphering the flags flying above the lifeguard stands when you venture onto the beach and want to  go into the water.

 

Like everyone else who loves the beach, you should understand what the safety flags along Florida’s coast mean. The uniform flags, which use the colors adopted by the International Lifesaving Federation, are designed to eliminate confusion for beachgoers.

 

Flag warnings and colors are:

 

  • Green: Low hazard, calm conditions, exercise caution.
  • Yellow: Medium hazard, moderate surf and/or currents.
  • Red: High hazard, high surf and/or strong currents.
  • Red over Red (two red flags): Water closed to the public.
  • Purple: Dangerous marine life.

 

And remember, always swim near a lifeguard!

 

Sarasota, FL average air and Gulf water temperatures (degrees Fahrenheit):

 

 

Month

Air Average High

Air Average Low

Gulf Water

January

73.7

48.2

64

February

75.6

49.4

65

March

80.8

54.6

72

April

85.8

57.3

76

May

90.4

62.9

81

June

91.5

68.8

85

July

92.2

70.7

87

August

92.1

71.6

87

September

91.0

70.8

85

October

86.4

64.0

80

November

80.4

56.3

72

December

75.2

50.4

66

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