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Boat Day Forecast

A quick look at the marine weather for Deerfield Beach, South Florida, before you head out. This page pulls a live wind map from Windy, points you to the official National Weather Service marine forecast and the National Hurricane Center, and explains how to read a boat-day forecast in plain language.

Boating safety resources Boat care & safety videos Tide charts

Planning a fuel, bait, or supply run? See the Marinas, Fuel & Bait directory .

Live conditions

Live wind map near Deerfield Beach

The map below is a live wind layer centered on Deerfield Beach, South Florida (latitude 26.32, longitude -80.10). It updates in real time from Windy's forecast model, and you can click any point on the map to see the detailed point forecast for that location.

Weather map provided by Windy.com. Wind data refreshes on a rolling schedule, so the conditions shown are close to current but should be confirmed against an official forecast before you go out.

Live alerts

Current Alerts

Active watches, warnings, and advisories issued by the National Weather Service for the Deerfield Beach area and the near-shore Atlantic waters off Broward County. This panel refreshes from the official NWS feed each time the page loads.

Checking the National Weather Service for active alerts...

Alerts shown come from the National Weather Service official feed. Always check weather.gov for the latest before going out.

Official sources

Check the official forecast

For the forecast that matters, go straight to the agencies that issue it. These are the official, authoritative sources for marine conditions and tropical weather in South Florida.

NWS Marine Forecast

The National Weather Service marine forecast for the near-shore Atlantic waters off Southeast Florida, covering the Deerfield Beach and Boca Raton coast out to 20 nautical miles. Includes wind, seas, and weather for the day ahead.

View marine forecast

National Hurricane Center

The official tropical weather outlook from the National Hurricane Center. During hurricane season, check the Atlantic outlook for any developing systems that could affect South Florida waters before you plan a longer trip.

View tropical outlook

Deerfield Beach sits at the boundary of two NWS marine zones. The forecast above covers the coast north of Deerfield Beach; for the waters immediately south, use the marine forecast for Deerfield Beach to Ocean Reef .

Learn the basics

How to read a boat-day forecast

A marine forecast looks different from a land forecast. Here is what each part means in plain language, so you can judge for yourself whether it is a good day to be on the water.

Wind speed and direction

Wind is the single biggest factor in how the water behaves. Speed is reported in knots, and direction tells you where the wind is coming from, so a south wind pushes water and waves from the south. Strong onshore winds build waves and make docking and anchoring harder, while a light offshore breeze usually means calmer water near the coast.

Wave height and sea state

Wave height is measured from the top of a wave to the trough, usually in feet. Sea state describes how that height interacts with wind and swell. Short, steep chop is rougher than a slow, long swell of the same height. Look at both the height and the period, because a long period means the waves are more spread out and easier to ride.

Tides and currents

Tides move water in and out of inlets and canals, and currents can be much stronger than the wind near passes and channels. Check the tide range and the timing of high and low water for the day you plan to go out. A strong outgoing tide against an onshore wind can quickly make a calm-looking inlet unsafe.

Visibility and thunderstorms

In South Florida, afternoon thunderstorms are common, especially in the warm season. Forecasts flag storm chance and visibility, and a drop in visibility matters when you are navigating a channel or an inlet. If storms are in the forecast, plan to be off the water before they arrive, because lightning and sudden squalls come up fast.

Rip current risk

Rip currents are narrow, fast-moving channels of water pulling away from the beach. The forecast often rates the risk as low, moderate, or high. A high risk means strong currents even when the surface looks calm. If your plans include swimming or anchoring near a beach, treat a high rip current risk as a reason to stay out of the water.

Conditions change fast on the water. A forecast made this morning can be wrong by afternoon, so check the forecast from an official source on the day you head out, and keep an eye on the sky and the water while you are on it.

The weather information shown on this page comes from third-party providers and is provided for planning only. Always verify current conditions and forecasts from official sources, including the National Weather Service and the National Hurricane Center, before going out on the water.

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