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Key Largo weather report

key largo weather showing clouds over molasses tower

Key Largo weather at Molasses

The Key Largo weather report is to help customers as a guide to diving and snorkeling conditions.  We take feeds from several other websites in order to provide this information.

The diving and snorkeling in Key Largo is largely influenced by the prevailing weather conditions. Both wave height and visibility can be affected depending on wind speed and direction.

If you want an honest opinion of the weather do give us a call.  We do not take customers out on our boats if we do not think they are going to have a good time, we would rather cancel our trip than you have a bad time!

Sources for up to date forecasts

Current marine forecast NOAA website.  For John Pennekamp coral reef use the Hawk Channel listing.  For Spiegel and Duane use the listing for Straights of Florida.

We also use Windfinder to get a view of wind and wave height and this our favorite page that give a more pictorial view

Note

When reading the Key Largo weather report links bear in mind that there will be the occasional wave that is twice the predicted wave hight!

We stop running snorkel trips when the seas get over 3 feet as its not comfortable for our snorkelers in the water.

We stop running dive trips when the winds get over 20 knots as its not comfortable for our divers.

General Overview

January and February

Water temperature is around 70-75F.  We get windy days and some cold days where the air temperature can get to around 50F.  Visibility can be fantastic!  You will need to wear a wetsuit of between 3mm and 7mm. Hoods or hats are also a good idea.  Bring a waterproof with you to wear on the boat to help stop the windchill between dives.

March and April

Water temperature is around 75F-80F air is around 80F-85F. Wind can effect some days trips. 3mm wetsuits are best. We can get the odd cold day.

May and June

Great months for diving with water around 85F and air 88F. Wetsuits now optional. Visibility good at 50 to 60 feet. Humidity rises.

July and August

The water 85F+ and air temperatures 85F+ are warmest during these months and its also hurricane season. We track the hurricane situation daily via NOAA. You can dive in shorts and rash guard or exposure suit durning this time. Winds tend to die down and we start to see the Atlantic looking like a lake. Visibility is often over 80 feet

September and October

Water and Air temperature remain high and September remains high for hurricane watch but seas start to cool.

November and December

The threat of hurricanes diminishes as the seas start to cool. Wetsuits come back out with 3mm usually being ok. Visibility is good.

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