AI Tools for Marine Captains

AI tools that help marine captains research weather, track vessels, monitor tides, navigate regulations, and plan safe voyages.

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Works in Chat, Cowork and Code

Wind
ESE 12–18 kts · easing to 8–12 kts by noon
Wave Height
3–4 ft · period 8s NE swell
Visibility
10+ nm · no fog advisories
Tropical Activity
None within 500 nm
Small Craft Advisory
None active · passage window good

Pre-departure weather and sea state analysis

Get comprehensive ocean weather briefings before any departure. Research wave heights, swell period, wind speed and direction, and storm systems along your route to make go/no-go decisions and plan optimal departure windows.

Planning a passage from San Diego to Ensenada tomorrow. Give me wind and wave forecasts for the Southern California Bight, any small craft advisories, and optimal departure timing.

Tomorrow: NW winds 10-15 knots, seas 3-4 feet, period 10 seconds — favorable conditions. Small craft advisory expires 0600. Optimal departure 0700-0900 before afternoon NW sea breeze strengthens to 18-22 knots. Passage time estimate: 8-10 hours. No significant weather systems within 48 hours.

ToolRouter get_forecast
Wind (Departure)
NW 10–15 kts · sea breeze 18–22 kts after 1400
Seas
3–4 ft · period 10s · favorable
Small Craft Advisory
Expires 0600 — clear by departure window
Optimal Departure
0700–0900 before afternoon sea breeze
ETA
8–10 hrs · no significant weather within 48h

Vessel traffic and AIS monitoring

Track vessels in congested shipping lanes, monitor inbound traffic at ports, and check vessel positions when coordinating rendezvous, bunkering, or crew transfers. Real-time AIS data gives you situational awareness beyond visual range.

Show me all tankers and bulk carriers currently within 50 miles of the Houston Ship Channel entrance, with their headings and estimated arrival times.

Found 23 vessels within 50nm. 8 tankers inbound: largest is Helios Coral (VLCC, 309m) ETD Galveston anchorage 0400. 5 bulk carriers at anchor waiting pilots. Heaviest traffic window 0600-1000 — 12 vessels transiting. Full vessel list with MMSIs and ETAs attached.

ToolRouter search_vessels
1
Helios Coral (VLCC, 309m)
Inbound · ETD Galveston 0400
2
MSC Gloria (Container)
Inbound · ETA Channel 0730
3
Bulk carrier at anchor
Waiting pilot · 1 of 5
4
Bolivar Roads Anchorage
5 bulk carriers waiting pilots

Tide and current planning

Plan arrivals, departures, and bar crossings around tidal cycles. Get precise tidal height predictions, current strength and direction, and storm surge data to ensure adequate underkeel clearance and safe navigation in shallow waters.

My vessel has an 18-foot draft and I need to cross the Columbia River Bar. When are the optimal crossing windows tomorrow with maximum water height and minimum swell?

Columbia Bar tomorrow: High tides at 0547 (6.8 ft) and 1823 (7.1 ft). Current swell 8-10 ft NW at 14s — bar likely closed to vessels <300 GT per Coast Guard advisory. Evening window 1800-2000 if swell moderates to forecast 6-7 ft. Monitor NOAA Bar cam and CG Sector Portland for real-time conditions.

ToolRouter get_tides
14700:0005:4712:0018:2321:00
Tide Height (ft)

Maritime regulatory compliance

Research USCG regulations, SOLAS requirements, port state control standards, and flag state requirements for your vessel type. Quickly look up inspection criteria, documentation requirements, and recent regulatory changes.

What are the current MARPOL Annex VI sulfur emission regulations for vessels operating in the Caribbean ECA, and what fuel options do we have?

Caribbean ECA (effective 2024): 0.1% sulfur limit within ECA boundaries. Compliance options: (1) Use VLSFO/ULSFO — widely available in Caribbean ports, (2) Scrubber installation (open-loop restricted in some ports including Nassau and several USVI ports), (3) LNG (limited bunkering infrastructure in region). Full MARPOL VI compliance checklist attached.

ToolRouter research
Sulfur limit (Caribbean ECA)
0.1% sulfur limit within ECA boundaries (effective 2024)
Option 1: Low-sulfur fuel
VLSFO/ULSFO — widely available in Caribbean ports
Option 2: Scrubber
Open-loop restricted — Nassau, USVI, several other ports prohibit discharges
Option 3: LNG
Compliant but bunkering infrastructure limited in region

Port research and arrival planning

Research unfamiliar ports before arrival: pilotage requirements, berth dimensions, draft restrictions, port services, customs procedures, and local regulations. Avoid costly delays from inadequate preparation.

Research the Port of Cartagena, Colombia for a 280-foot vessel: pilotage requirements, available berths, fuel availability, and customs entry procedures for a US-flagged vessel.

Port of Cartagena: Compulsory pilotage for vessels >500 GT — contact Compas S.A. 24h prior. Max draft at main berths: 38 ft. IFO 380 and MGO available via Terpel and Chevron — 48h notice. US-flagged: DIAN customs pre-clearance required, ISPS port security designation confirmed. Anchorage available outer roads.

ToolRouter research
Pilotage
Compulsory for vessels >500 GT — contact Compas S.A. 24h prior
Max draft (main berths)
38 ft — adequate for your vessel
Bunkers
IFO 380 and MGO via Terpel and Chevron — 48h notice required
Customs (US-flagged)
DIAN pre-clearance required — ISPS port confirmed

Crew and vessel certification tracking

Research certification requirements for specific vessel classes and routes, track international crew documentation standards, and prepare for port state control inspections with comprehensive regulatory summaries.

What STCW certifications are required for a chief mate on a 600 GT passenger vessel operating internationally, and what are the renewal timelines?

Chief Mate (600 GT+ internationally): STCW II/2 (OICNW and Chief Mate), Proficiency in Medical Care, Advanced Fire Fighting, Survival Craft, GMDSS Operator, and Security Awareness. All 5-year renewal with refresher training. USCG Form CG-719K required for US documentation. Renewal cycle table by certificate type attached.

ToolRouter research
STCW II/2
OICNW and Chief Mate certificate — 5-year renewal
Proficiency in Medical Care
Required — 5-year renewal with refresher training
Advanced Fire Fighting
Required — 5-year renewal
GMDSS Radio Operator
Required for international service
USCG documentation
Form CG-719K required for US documentation

Ready-to-use prompts

Ocean passage weather

Get a 5-day weather and sea state forecast for a passage from Savannah, GA to San Juan, Puerto Rico — wave heights, wind, and any tropical weather systems within 500 miles of the route.

Tide predictions for port entry

Give me tidal height predictions for the Port of Charleston, SC for the next 48 hours, with high and low water times and heights to plan arrival for a vessel with 25-foot draft.

Track inbound vessel

Track vessel MMSI 366943000 and give me its current position, speed, heading, and estimated arrival time at Port Everglades.

USCG inspection prep

Research what a USCG Port State Control inspector typically checks on a foreign-flagged cargo vessel — document requirements, safety equipment, pollution prevention, and common deficiencies.

Port entry procedures

What are the entry procedures, customs requirements, and biosecurity rules for a US commercial vessel arriving at the Port of Auckland, New Zealand for the first time?

Marine weather alert

Are there any gale warnings, storm warnings, or tropical weather advisories currently active in the Gulf of Mexico? Include coordinates of affected areas and expected duration.

Vessel traffic at anchorage

Show all vessels currently anchored or at berth in the Los Angeles / Long Beach port complex, filtering for container ships and tankers over 200 meters.

Fuel and services research

Research bunkering options, availability of IFO 380 and VLSFO, and approximate fuel prices at the Port of Rotterdam for a vessel requiring 500 MT delivery.

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Voyage planning package

Prepare a complete pre-departure briefing for any ocean passage: weather, tidal windows, port entry requirements, and any regulatory compliance checks for the route.

1
Weather Forecast icon
Weather Forecast
Get full route weather forecast for passage duration
2
Ocean & Tides icon
Ocean & Tides
Pull tidal predictions for departure and destination ports
3
Deep Research icon
Deep Research
Research destination port entry procedures and regulations

Port state control inspection preparation

Before any port state control inspection, research current focus areas, compile documentation checklists, and review recent deficiency trends for your vessel type.

1
Deep Research icon
Deep Research
Research current PSC campaign focus areas and common deficiencies
2
Academic Research icon
Academic Research
Find maritime safety publications on inspection trends
3
Content Repurposer icon
Content Repurposer
Compile crew preparation checklist and inspection readiness summary

Weather routing and diversion planning

When severe weather threatens a planned route, quickly research alternative ports, shelter anchorages, and revised weather windows to make informed diversion decisions.

1
Weather Forecast icon
Weather Forecast
Get updated weather for planned route and potential alternates
2
Vessel Tracker icon
Vessel Tracker
Monitor nearby vessel traffic patterns for guidance on routing
3
Deep Research icon
Deep Research
Research divert port capabilities and entry requirements

Frequently Asked Questions

How accurate is the weather data for offshore planning?

Weather Forecast pulls from NOAA, ECMWF, and other major meteorological services to provide multi-day forecasts. For offshore voyage planning, always cross-reference with official marine forecast products from NOAA Ocean Prediction Center and your vessel's GMDSS weather services.

Can vessel tracker data be used for collision avoidance?

Vessel Tracker provides AIS-based position data suitable for voyage planning and traffic awareness, not for collision avoidance. All collision avoidance decisions must be made using certified ARPA/ECDIS equipment and COLREGS compliance aboard the vessel.

How current is the tidal data from Ocean & Tides?

Ocean & Tides provides NOAA-sourced tidal predictions updated in real time. Data includes predicted heights and harmonic tide data for thousands of US and international tide stations. For critical underkeel clearance decisions, verify with official port tide tables.

Can these tools help with MARPOL compliance documentation?

Deep Research can compile comprehensive MARPOL requirements summaries for any vessel class or operation area, but MARPOL compliance documentation must be maintained in official Oil Record Books, Garbage Record Books, and other statutory logs per flag state requirements.

Are AI tools useful for crew training and safety drills?

Yes. Deep Research is particularly useful for creating scenario-based training materials, researching best practices for emergency drills, and compiling regulatory requirements for STCW refresher training. Academic Research can surface peer-reviewed maritime safety studies.

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