# Go or No? Marine Boat Weather — Wind, waves, tides & fishing

> Wind, waves, tides & fishing (iPhone/iPad app by Benjamin Smith-d'Agincourt.)

- Source: https://appshunter.io/ios/app/go-or-no-marine-boat-weather/id6787124767 (this page in markdown: same URL + `.md`)
- Developer: [Benjamin Smith-d'Agincourt](https://appshunter.io/developer/6787124769)
- Category: Weather, Navigation
- Price: Free
- Age rating: 4+
- Requires: iOS 17.0 · 5 MB
- Languages: American English
- Released: 2026-07-10
- Data updated: 2026-08-24
- User reviews in markdown: https://appshunter.io/ios/app/go-or-no-marine-boat-weather/id6787124767/reviews.md

## What is Go or No? Marine Boat Weather?

Go or No turns the marine forecast into a decision.

Instead of making you stitch together wind, waves, and tide tables, it gives you one clear answer: is it a good day to head out — on YOUR boat, today, from your spot?

ONE CLEAR ANSWER
• A 1–10 boat-safety score with a plain GO / CAUTION / NO-GO verdict
• The score adapts to YOUR vessel — powerboat, sailboat, kayak, or other
• Set your length, engines, and horsepower and the score tightens or eases to match
• A kayak needs far calmer water than a big powerboat, and the verdict knows the difference
• A "now vs. later" read, e.g. "Light chop now — choppy by mid-afternoon"
• No black box — tap any verdict to see the why: the reasons, the numbers, and the charts behind it

MARINE CONDITIONS
• Wind speed, gusts, and direction
• Wave and swell height and period
• Water (sea-surface) temperature
• Fog and visibility
• Cloud cover

WEATHER
• Current conditions, hourly, and a 7-day forecast
• Barometric pressure with a rising or falling trend
• UV index, humidity, and sunrise / sunset times

TIDES
• High and low tide times and heights from NOAA (US coastal)
• A tide curve for the days ahead

ANY HARBOR, ANY SPOT
• Search any harbor, town, or beach by name and save it
• Or drop in exact coordinates, or just use your current GPS location
• Keep the places you fish and boat one tap apart and switch between them

BUILT FOR THE HELM
• Dark, glare-friendly design that won't blind you at dawn or burn your eyes at night
• Big type and glanceable cards, made for a one-handed check underway
• Your units, boat, and saved spots stick — set them once

Weather works anywhere in the world. NOAA tides cover US coastal waters.

Free. No account. No ads. No tracking. No sign-up wall.

This app is an advisory planning aid — always check the official NWS marine forecast and use your own judgment on the water.

Data from Open-Meteo and NOAA.


## Version history (last 5 releases)

### 2.3.0 — 2026-08-18

New icon.
Improved sailing scoring system for smaller crafts. Improved scoring for kayaks.

### 2.2.0 — 2026-08-14

Improved scoring for sailing - a few edge case bug fixes and new app store screenshots + icon

### 1.1.0 — 2026-07-23

New design

### 1.0.2 — 2026-07-20

New design  & bug fixes

### 1.0.1 — 2026-07-12

Misc bug fixes and Ui improvements

## Related topics

[boat weather](https://appshunter.io/ios/topics/boat-weather)

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-24.*