AI disruption and local gaps in Portugal marine weather apps
Portugal — Weather, for consumers. Niche: Marine Weather & Navigation.
Data from the week of 12 Oct 2026, refreshed weekly.
score out of 100
- Demand50
104,636 ratings in the US and UK, 0 in Portugal
- Room locally100
0 apps with 50 or more ratings in Portugal
- Language gap69
3 of the top 10 without Portuguese
- Incumbent weakness20
4.7 stars on average; 4 of 10 not updated in a year
- AI gap100
10 of the top 10 not built around AI
- Momentum—
History building since 19 Oct 2026 — counted as neutral (50) for now
Why this is an opening
The market shows an aiGap score of 100 and a localGap score of 69. There are 0 local strong apps in the top 10, with 0 local ratings. Furthermore, 4 apps are stale, making up a staleSharePct of 40.
The leading apps
Ranked by ratings in the United States and United Kingdom; ratings and stars in Portugal where it has them.
| App | Ratings in Portugal | Ratings US + UK | Stars | Portuguese | Last update | AI |
|---|---|---|---|---|---|---|
| BoatUS - Boat Weather & TidesNot in this store | 0 | 58,304 | 4.8 | No | Aug 2026 | No AI |
| Marine Weather Forecast ProNot in this store | 0 | 16,420 | 4.7 | Yes | Oct 2026 | No AI |
| NOAA Marine Forecast: BuoycastNot in this store | 0 | 13,666 | 4.6 | No | Oct 2026 | AI feature |
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Start the 7-day trialScored 2026-10-23 with score version 1. How the score works.