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Software · Category · apps that help you go

Weather & conditions

Wind, waves, GRIB, marine forecasts for go/no-go.

8 products · sorted by overall fit · same plain editorial scores as the directory · not invented partner density

Windyty SE · freemium

Windy

Fit 5/5high confidence

Beloved multi-model wind/wave visualization app — go/no-go clarity for recreational owners and cruisers alike.

5

on water

4

clears

5

safety

Our take: Classic boat-days multiplier: clearer go/no-go means more days that feel wise, not reckless. Minimal admin burden. Complements Boat Day Go Today perfectly.

NOAA / NWS · free

NWS Marine / NOAA Weather

Fit 5/5high confidence

Official US marine forecasts, warnings, and coastal products — authoritative safety source.

4

on water

3

clears

5

safety

Our take: Safety never joked about: check official marine forecasts before casting off. Low burden, high trust. Pair with Windy visuals.

savvy navvy · subscription

savvy navvy

Fit 4/5med confidence

Consumer nav app blending charts, tides, and weather routing with a modern UX aimed at recreational sailors and power boaters.

4

on water

3

clears

4

safety

Our take: Can reduce app-switching for planning days — which raises boat-days lift when go/no-go is clearer. Still verify chart authority for your waters.

MAXSEA / Furuno · subscription

TimeZero / TZ iBoat

Fit 3/5high confidence

Integrated nav platform (TZ Navigator Windows + TZ iBoat) with weather routing and Furuno sync — more serious passage tool than casual day-boat apps.

3

on water

4

clears

5

safety

Our take: High worth-it for passagemakers who hate stitching five apps; burden rises for weekend lake boaters. Complements Boat Day for ownership while TZ owns bridge planning.

iNavX · subscription

iNavX

Fit 3/5med confidence

Multi-chart storefront app (Navionics and others) with GRIB/AIS options — flexible but can encourage chart-shopping sprawl.

3

on water

2

clears

4

safety

Our take: Powerful if you curate one chart set; burden rises if you keep buying packs. Prefer simplicity for QBD.

PredictWind · subscription

PredictWind

Fit 3/5high confidence

Marine weather routing, departure planning, and forecast models favored by sailors and offshore cruisers.

3

on water

3

clears

5

safety

Our take: Raises worth-it and safety for passages; for lake weekends Windy may suffice. Don't let routing complexity become procrastination.

Windfinder · freemium

Windfinder

Fit 3/5med confidence

Wind forecasts and spot reports popular with wind-sports and coastal boaters.

4

on water

3

clears

4

safety

Our take: Fast wind truth for launch decisions — good boat-days lift with low burden. Many owners standardize on Windy alone.

WeatherFlow · hardware-bundled

WeatherFlow / Tempest Marine

Fit 3/5med confidence

Personal weather stations and marine observations — hyperlocal truth when forecasts disagree.

3

on water

2

clears

4

safety

Our take: Worth it when your dock microclimate fools regional models. Complements Windy; doesn't replace it.

Sense

Back to the directory — then cast off

Same plain editorial scores — not formulas. Find them online · their sites · ≠ founding. Owners free forever.