The SeaLegsAI Blog
Expert guides on marine weather, boating safety, and fishing tips. Learn to read forecasts, plan safer trips, and make the most of every day on the water.
What Is a Gale Warning? Wind Speed & How Serious It Really Is
34–47 knots, a warning tier, not an advisory — and for most boaters a no. What a gale warning means, how it fires on gusts alone, and where it sits on the alert ladder.
Read articleWhat Is a Small Craft Advisory? Wind Speeds, Boat Size & When to Stay In
NOAA never defines “small craft” by boat length — it's a judgment call. The wind and seas that trigger an advisory, why it's the lowest tier that matters most, and how to make the go / no-go call.
Read articleThe Best Offshore SST & Fishing Chart Tools for 2026
An honest roundup of offshore SST and chlorophyll tools — Terrafin, FishTrack, RipCharts, SatFish, Hilton's, ROFFS — plus the emerging AI category that reads the satellite layers for you.
Read articleOffshore Boating Safety: What to Carry and What to Do When Things Go Wrong
EPIRBs vs PLBs, life rafts, VHF, and the offshore medical kit — plus what to actually do in a breakdown, severe weather, man overboard, or worse. The checklist that assumes help is hours away.
Read articleBest Fishing Weather Apps for 2026
We ranked 7 fishing apps on what actually finds fish — SST, chlorophyll, altimetry, solunar, tides, and pressure. Which to pick for inshore vs offshore.
Read articleTuna Fishing and Water Temperature
Tuna hold where a temperature break meets a water-color edge. The best temps by species, and how to read SST + chlorophyll to find them.
Read articleWhat Is a Special Marine Warning? NOAA's Sudden-Storm Alert, Explained
The marine alert that catches boaters off guard: 34-knot winds, hail, or waterspouts — usually in under two hours. What a Special Marine Warning means, what triggers it, and exactly what to do.
Read articleAI Marine Weather Forecasts: How They Work & Why They're More Accurate
AI is making marine forecasts sharper, more local, and easier to act on. How AI marine forecasting works — bias correction, multi-model blending, point downscaling — and why it beats a plain zone forecast.
Read articleMediterranean Winds Explained: Mistral, Sirocco, Bora & the Rest
The Mistral, Sirocco, Bora, Libeccio and Meltemi each mean a different sea. A boater's guide to the named Mediterranean winds — direction, character, season, and what each does to the water.
Read articleWhat Is a Marine Warning? Warnings, Watches & Statements Explained
Marine warning, advisory, watch, statement — they don't mean the same thing, and the difference decides whether you leave the dock. NOAA's marine alerts, sorted by wind speed.
Read articleGreat Loop Marinas: A Free Garmin GPX You Can Import in 60 Seconds
Ninety notable marinas, route-ordered around the entire Great Loop, in a free Garmin GPX file. Download it and import every planned stop into SeaLegs as spots in under a minute.
Read articleBrazilian Marine Weather: Trade Winds, Frente Fria & Ressaca
Brazil's coast is two wind worlds: the steady northeast alísios and the frontal, southerly-driven south. The boater's guide to frente fria, the vento sul, and ressaca.
Read articleAustralian Coastal Winds & Seasons: Southerly Buster, the Doctor & East Coast Lows
Australia's marine weather runs on named winds and an upside-down calendar. The boater's guide to the Southerly Buster, East Coast Lows, the Fremantle Doctor, cyclone season, and Bass Strait.
Read articleWhat Is Fetch? How Wind Distance Builds Waves
The most overlooked word in the marine forecast: fetch is the open-water distance the wind blows across, and it's why the same wind is flat-calm in a bay and dangerous offshore.
Read articleSea Surface Temperature Explained: What SST Is and Why It Matters
SST drives where fish feed, how hurricanes intensify, and what your next offshore run will actually look like. The plain-English guide to reading an SST map.
Read articleMarine Forecasts Explained: What They Are and How to Use One
A marine forecast looks like jargon until you know the shape of it. Here's what's in one, where NOAA gets the data, and how to read it without a meteorology degree.
Read articleHow to Save Fuel on Your Boat: Smarter Weather and Fishing Intel
Marine fuel is expensive right now. The two biggest savings come from better forecasts and better fishing reports — not engine tuning. Here's how SpotCasts, TripCasts, and DeepCast reports stop the bleeding at the pump.
Read article10 Best Marine Weather Forecast Apps for 2026
We tested the top marine weather forecast apps side by side. Here's how they compare on accuracy, data sources, and value for boaters and anglers.
Read articleHow to Read Marine Weather Forecasts: A Complete Guide for Boaters
Learn to interpret wind speed, wave height, barometric pressure, and visibility data. Stop guessing and start understanding the forecast before every trip.
Read articleUnderstanding Wave Height and Period for Boaters
Why a 3-foot sea can be worse than a 5-foot swell. Learn how wave period, direction, and combined seas actually affect your ride.
Read articleAI Weather Apps vs Traditional Forecasts: What's the Difference?
Traditional apps show you data. AI apps tell you what it means. Here's why that matters when you're deciding whether to leave the dock.
Read articleWhat Causes Rough Seas? Wind, Fetch, and Why Location Matters
It's not just wind speed that creates rough water. Learn how fetch, shoreline effects, currents, and bottom contour combine to determine actual conditions.
Read articleWhy Weather Forecasts Disagree — And What It Means for Boaters
You check three apps and get three different wind forecasts. Here's why that happens, what model convergence means, and how to know when a forecast is trustworthy.
Read articleHow to Plan a Safe Offshore Trip
Weather windows, route planning, fuel math, and the go/no-go checklist experienced captains follow before every offshore run.
Read articleGet AI-Powered Marine Forecasts
Stop guessing about weather conditions. SeaLegsAI gives you clear Go, Caution, or Avoid recommendations for every trip.
