Identity
Nantucket Boat Basin · 5b98ab6c-42a0-5584-8cbb-cf5f15864060
US
5b98ab6c-42a0-5584-8cbb-cf5f15864060 · no UN/LOCODE · North America
Nantucket Boat Basin
Nantucket, United States · 41.285°N 70.097°W
SUPERCOORDINATEDOPERATIONAL
A short, expensive, fog-and-reservation harbour. The basin is the town. Off-island weather windows, ferry wash and a July–August closed list define the place.
Live channels · not a chart · not a reservation
EstimateRainshowers at 2026-10-14T06:00:00Z America/New_York. Wind 24 kn from SW. It is after local sunset. If this harbour publishes a night-entry restriction, treat it as active until sunrise. Nearest IOC gauge Woods Hole, MA (54.8 km) last observed 0.542 m — observational only, not a tide table or controlling depth. Next published high 2026-10-14 03:25 (NOAA CO-OPS).
- Wind
- 24 kn SW
- Gusts
- —
- Waves
- —
- Twilight
- Night
Max LOA
65 m
ReportedMax draft
3 m
ReportedVHF
09
VerifiedOctober band
MODERATE
EstimateCaptain Arrival Brief
Deterministic, source-backed projection. Not legal advice. Not clearance authorization. Never a safety determination.
INCOMPATIBLENOT_COVEREDCOSTS INCOMPLETEINSUFFICIENT_DATA
Vessel & target arrival
LOA 52 m · beam 9.4 m · draft 3.1 m
Arrival 2026-08-12T12:00:00Z · factsAt 2026-08-12T12:00:00Z
Static compatibility
INCOMPATIBLE
Matching berth classes: Standard <25 m PHYSICALLY_INCOMPATIBLE · Large yacht 25–65 m PHYSICALLY_COMPATIBLE
Physical berths: UNKNOWN — no inventory
Approach / depth
Entrance controlling depth UNKNOWN. Guest schematic is not a chart.
Published draft 3 m · datum UNKNOWN
Swell UNKNOWN — swell is not invented from significant wave height.
Formalities
Pilotage: No matching PILOTAGE rule is recorded for this harbour/jurisdiction. That is NOT_COVERED, not NOT_REQUIRED.
Towage: No matching TOWAGE rule is recorded for this harbour/jurisdiction. That is NOT_COVERED, not NOT_REQUIRED.
Customs: No matching CUSTOMS rule is recorded for this harbour/jurisdiction. That is NOT_COVERED, not NOT_REQUIRED.
Immigration: No matching IMMIGRATION rule is recorded for this harbour/jurisdiction. That is NOT_COVERED, not NOT_REQUIRED.
Decision-support intelligence only. Not legal advice. Not clearance authorization. maritimIQ does not authorize entry and does not determine formal status.
Services
Fuel: No fuel facility record. Missing service is UNKNOWN, not unavailable.
Shore power: No shore-power specification recorded.
Water: No freshwater record. Water is not inferred from waste.
Waste: No waste or pump-out record. Solid waste ≠ black-water pump-out.
Refit: No sourced refit capability. Marketing prose is not a capability.
Medical: No medical relationship. A nearby clinic is not an emergency hospital.
Airport / transport: No airport relationship. Airport Intelligence is an external product boundary.
Known harbor costs
none USD · incomplete
Tax: Tax treatment UNKNOWN. Not assumed included.
Source currency: USD
Reference conversion: FX not applied — source currency retained. rate=none
Unknown charges: none listed
Traffic
0 in approach, 0 inside harbor radius, LOW (0 moving / 0 in approach / 0 inside harbor radius)
Occupancy: INSUFFICIENT_DATA. AIS does not see dark vessels, covered yachts, or berth identity.
Seasonality: VERY_HIGH July–August · forecast DEFERRED
Traffic is not availability. Capacity is not occupancy. A reservation flag is not a live berth. EMODnet density is historical context. Forecast is deferred.
Warnings & restrictions
SPEED: Dead slow, no wake inside the harbour.
UNKNOWN — upcoming warning coverage is not a global feed.
Alternatives
Newport Shipyard · 105 km · certainty LOW · score 0.590 · alt-rank-1.0
Unknown / conflicted / stale
Unknown: vessel.airDraftM, vessel.displacementT, waterLevel, current, wind, waves, visibility, formality.PORT_ENTRY, formality.ADVANCE_NOTICE, formality.PILOTAGE, formality.TOWAGE, formality.CUSTOMS, formality.IMMIGRATION, formality.HEALTH, formality.SECURITY, formality.COMMERCIAL, formality.NOAD, formality.EMSWE
Conflicted: none listed
Stale: Pilotage price: 1999 franc ordinance remains STALE. Current price UNKNOWN.
Source index
compiled-ledger · decision-engine · aisstream-optional · none · USCG NVMC / eCFR · EUR-Lex
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The LLM is not a maritime data source. maritimIQ answers are explanations of the deterministic brief. Structured facts stay on the Arrival Brief, Costs, Services and Operations tabs.