Report updated May 16, 2026

Tides and Currents-USA is a struggling weather app that is free with in-app purchases. With a 4.0/5 rating from 20 reviews, it struggles with user retention.

What is Tides and Currents-USA?

Tides and Currents-USA is a maritime utility app for iOS that provides offline tide and current predictions using NOAA harmonic constituents.

Users hire this app for reliable maritime planning in remote areas without cellular coverage, where standard weather apps fail to load data.

Current Momentum

v2.6 · 7mo ago

Maintenance

Last updated 218d ago. 5 versions tracked.

Active Nemesis

Tides Near Me

Tides Near Me

By Shelter Island Mapping Company

Other Rivals

PredictWind — Marine Forecasts
BoatUS - Boat Weather & Tides
Windy.com
Windfinder: Wind & Weather map
MyRadar Accurate Weather Radar
Moon Calendar — MoonX

7-Day Rank Pulse 🇺🇸

Weather

No ranking data

Rating Pulse 🇺🇸

Recent User Mood

What makes this app unique?

What Are The Key Features?

Local Harmonic AnalysisDifferentiator

Calculates tide and current predictions locally on the device using NOAA harmonic constituents without requiring network access.

Pro Calendar and Month TableDifferentiator

Allows users to select specific dates via calendar and view monthly tide/current tables.

Map ForecastStandard

Visualizes tide data on a map interface with a 7-day forecast window.

How much does it cost?

Freemium
  • Free tier with limited date access
  • Pro tier with unlimited date access, calendar selection, month tables, widgets, and 7-day map forecasts

Freemium model gates advanced planning tools and extended forecast windows behind a subscription to monetize power users.

Who Built It?

雪平 王 app icon 1
雪平 王 app icon 2
雪平 王 app icon 3
雪平 王 app icon 4

雪平 王

(197.5K)

Providing specialized atmospheric and environmental data for outdoor enthusiasts and professionals. Helping users track precise weather, lunar, and geographic conditions.

Portfolio

13

Apps

Free 12
Weather75%
Lifestyle8%
Photo & Video8%

Explore the full 雪平 王 report

Portfolio breakdown, audience, momentum, and every app published by 雪平 王.

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What do users think recently?

Low confidence · 3 reviews analyzed

How did the latest release land?

Overall
4.0/ 5
(20)
Current version
4.0/ 5
0.0 vs overall
(20)

What is the recent mood?

Upset

Recent user voice shows a upset sentiment. but report inability to select specific tide or current stations prevents users from accessing core location data and persistent ui navigation failures prevent users from interacting with the map interface as intended.

Limited review volume (3 reviews). Sentiment analysis will deepen as more data lands.

View the full user-sentiment analysis

Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.

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What is the competitive landscape for Tides and Currents-USA?

How's The Weather Market?

Market outlook for this category

Available very soon

The rivals identified

Nemeses(1)

Tides Near Me icon
Tides Near Memoat: high

Shelter Island Mapping Company, LLC

4.8(155.5K)

Dominates the specific tide and current niche with massive user scale and a high-frequency update cadence that keeps the product relevant.

Differentiators

  • Maintains a massive, highly active user base that creates a significant barrier to entry for new niche players.
  • High-frequency release cycle of 13 updates in six months ensures rapid adaptation to user feedback and platform changes.
  • Specialized focus on tide and current mapping provides a cleaner, more dedicated UX than general-purpose weather apps.

Head to head

The target app must lean into its offline-first technical advantage to serve remote maritime users while improving its UI polish to compete with the nemesis's established user experience.

Contenders(2)

Leverages a strong brand association with the boating community to provide a trusted, all-in-one marine utility.

Differentiators

  • Bundles tide and weather data with essential boating services like towing and insurance information.
  • Positions itself as a comprehensive safety and utility hub rather than just a standalone tide calculator.
PredictWind — Marine Forecasts icon

PredictWind Limited

4.8(32.1K)

A specialized marine-focused competitor that offers advanced weather modeling beyond simple tide data.

Differentiators

  • Integrates proprietary weather routing and wind modeling specifically designed for professional and competitive sailors.
  • Provides advanced marine-specific forecast data that goes significantly deeper than standard NOAA harmonic tide predictions.

Same space(3)

MyRadar Accurate Weather Radar icon

Aviation Data Systems, Inc

4.8(1.1M)

A broad-market weather app that competes for the same screen time by providing high-fidelity radar imagery.

Differentiators

  • Features a highly responsive, high-definition radar map that is the industry standard for general weather tracking.
  • Aggregates diverse weather data sources into a single, cohesive, and highly performant mobile interface.

A highly specialized tool for wind-dependent sports that overlaps with the target's maritime audience.

Differentiators

  • Optimized specifically for wind-sports enthusiasts with highly granular wind speed and direction visualizations.
  • Provides a streamlined interface that prioritizes quick, actionable wind data over complex harmonic calculations.
Windy.com icon
Windy.commoat: high

Windyty, SE

4.7(800.3K)

A massive general-purpose weather platform that dominates the visual weather mapping space.

Differentiators

  • Utilizes industry-leading visual data overlays that provide a superior interactive experience for complex weather patterns.
  • Offers a vast array of global weather models that far exceed the scope of localized tide station data.

New entrants(1)

Moon Calendar — MoonX icon

Vibes LLC

4.8(20.9K)

Shows aggressive growth and high update frequency, signaling a strong push into the lunar/tide-adjacent utility space.

Differentiators

  • Employs a modern, aesthetic-first design language that appeals to a younger, lifestyle-oriented user demographic.
  • Maintains an extremely high release cadence to rapidly iterate on user-requested features and visual enhancements.

Compare Tides and Currents-USA against every rival

All rivals in one side-by-side table — identity, store metrics, ratings & sentiment, and strategic intel — plus a head-to-head page for each.

Go deeper

The outtake for Tides and Currents-USA

Strengths to defend, gaps to attack

Core Strengths

  • Local harmonic analysis provides utility in remote areas without cellular coverage

Critical Frictions

  • Navigation failures prevent core utility
  • 3.95 rating on only 20 reviews indicates low user trust

Growth Levers

  • Integrate wearable support to differentiate from general-purpose weather apps

Market Threats

  • Tides Near Me maintains 13 updates in six months, widening the feature-parity gap

What are the next best moves?

highPivot

Rebuild map marker touch-registration logic because users cannot select stations → restore core utility

Top complaint theme identifies map-input failure as the primary blocker for navigation.

Trade-off: Pause the 7-day map forecast update — core navigation is a higher priority for retention.

A counter-intuitive read

The offline-first technical advantage is a liability if the UI prevents access, as users will prefer a slightly less accurate online app that actually functions.

Feature Gaps vs Competitors

  • High-frequency release cycle (available in Tides Near Me but absent here)
  • Advanced weather modeling (available in PredictWind but absent here)

Key Takeaways

The app provides a valuable offline-first utility, but navigation failures currently render it unusable, so the PM must prioritize a UI audit to restore basic functionality before attempting further feature expansion.

Where Is It Heading?

Declining

The maritime utility market is consolidating around apps that combine high-fidelity weather data with reliable UI patterns. Tides and Currents-USA is currently exposed due to critical navigation bugs, so the PM must stabilize the core interface to prevent users from migrating to more responsive competitors.

Persistent map-input failures in the latest version prevent core station selection, driving high churn risk among maritime users.

The lack of meaningful feature updates over the last quarter leaves the app vulnerable to competitors with higher release cadences.

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Tides and Currents-USA, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

What's new

The app introduced a freemium pricing model but experienced a decline in usability due to critical map-input failures that block core functionality.

shifted

Freemium Model Adoption

declined

Critical Navigation Bugs

improved

Local Harmonic Analysis Positioning

shifted

Target Audience Expansion

Cite this report

Marlvel.ai. “Tides and Currents-USA Intelligence Report.” Updated May 16, 2026. https://marlvel.ai/apps/tides-and-currents-usa

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