HarborBoard

Free weather for a place. Paid weather for your boat.

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HarborBoard MVP

Start with a free weather page, then upgrade to a boat-specific sailing briefing.

The free tier gives you a simple weather page for one location. The paid tier gives your boat its own HarborBoard subdomain, sail-plan guidance, crew-mode tuning, and polar-aware recommendations.

Free: location-based weather $3/mo: boat-specific sailing weather Mailing list opt-out supported
Account status
Not signed in
Create an account to claim a free HarborBoard page or a paid boat subdomain.
Step 1

Create your account

Use email and password now. Google sign-in is reserved in the flow and can be turned on next.

Step 2A

Free weather page

Great for checking a place quickly. No boat-specific sail logic, crew tuning, or polar influence.

  • Random HarborBoard page slug
  • One saved location
  • Plain sailing weather dashboard
Step 2B

$3/month custom sailing weather

This is the real HarborBoard promise: your own boat subdomain and boat-aware sailing recommendations.

  • <boat-slug>.harborboardapp.com
  • Crew mode and sail setup
  • Polar-aware guidance
  • Stripe checkout for monthly or annual billing
⚡
Sail Recommendation
Calculating...
Analyzing wind, weather, and tide data
Free Location
Pick the place you want weather for.
Using HarborBoard starter locations for now.
Boat Preset
Location Preset
Boat Setup
Loading preset...
Paid Draft
Paid boat keel depth is loaded from your HarborBoard boat settings.
Crew Mode
Safety Margin
Performance Model
Preset Notes
Preset details will appear here.
Inventory
Checking inventory module...
Open Inventory
Planner will look for a matching inventory boat and low-stock summary.

5-Day Outlook

Tap a day to update the recommendation, best window, charts, and tide windows below.

Full sail Reduce sail Deep reef No-go
Sail Setup
Calculating...
Readiness pending
Best Window
Checking tides...
Using current tide window guidance
What Changed
Selecting baseline...
Compared with today
Wind
--
kts
--
Gusts
--
kts
est. from sustained wind
Air Temp
--
°F
 
Water Temp
--
°F
at active station

Hourly Wind & Gusts

weather.gov

Tide Predictions

NOAA station

Keel Clearance

⚓
Checking depth restrictions…

Depth planning note

5-Day Forecast

Tide Schedule

Time Height Type

Predictions for selected station

Current Conditions

Live data and forecast sources for the active preset.

Data Sources

🌊
Tides & Water Level
NOAA station
🌬
Current Wind & Met Data
NOAA station
⛅
Weather Forecast
weather.gov grid
⚓
Forecast Window
Rolling forecast window