Port of Hercules

UN/LOCODEUSHXUWhat is a UN/LOCODE?38.0167° N, 122.2833° WLocal timeAmerica/Los_Angeles, UTC-7

In short

Hercules: no ships detected in port from AIS in the last 3 days (as of Oct 3, 2026, 20:21 UTC). Coverage depends on AIS reception in the area.

Watch this port

Get an email when Hercules is busier than usual or is named in an official release.

We email you a link and a code. That creates a free account, no password or card, and follows Hercules.

Free account, no card: follow up to 5 ships and ports. Plus follows 50, Pro 500.

By continuing you accept the Terms and the Privacy policy.

In port now: 0
Arrivals, last 24 h: 0
Departures, last 24 h: 0
Ships nearby, last 6 h: 38

Vessels near Hercules

Ships Voydar received on AIS near the port in the last 6 hours, most recent first. Being near a port is not a port call; the board above lists calls.

Vessels near Hercules
Vessel	Type	IMO / MMSI	Last seen
MOUNT HOODTug	Tug	MMSI 368214190	Oct 3, 2026, 20:20 UTC
LEISA FLORENCETug	Tug	IMO 9921752	Oct 3, 2026, 20:20 UTC
MANA KAISailing	Sailing	MMSI 338398373	Oct 3, 2026, 20:20 UTC
APACHETowing	Towing	IMO 9888376	Oct 3, 2026, 20:20 UTC
KESTRELTowing	Towing	IMO 8663793	Oct 3, 2026, 20:19 UTC
RACHAEL ALLENTug	Tug	IMO 9921764	Oct 3, 2026, 20:19 UTC
SEAWAYS MELINATanker	Tanker	IMO 9387944	Oct 3, 2026, 20:19 UTC
VERA CRUZSailing	Sailing	MMSI 338442716	Oct 3, 2026, 20:19 UTC
SV MOON DANCESailing	Sailing	MMSI 368282130	Oct 3, 2026, 20:19 UTC
GRANDE CUVEESailing	Sailing	MMSI 368223930	Oct 3, 2026, 20:19 UTC
ALTA JUNETowing	Towing	IMO 9552290	Oct 3, 2026, 20:18 UTC
DB BEAVEROther	Other	MMSI 338048556	Oct 3, 2026, 20:18 UTC
PYXISPassenger	Passenger	MMSI 368053730	Oct 3, 2026, 20:18 UTC
SPINDRIFT VSailing	Sailing	MMSI 368160220	Oct 3, 2026, 20:18 UTC
FINEST KINDPleasure craft	Pleasure craft	MMSI 338047344	Oct 3, 2026, 20:18 UTC
KARLHigh-speed craft	High-speed craft	MMSI 368395270	Oct 3, 2026, 20:17 UTC
SURPRISE!Sailing	Sailing	MMSI 368060960	Oct 3, 2026, 20:17 UTC
SOLOMON SEATanker	Tanker	IMO 9760500	Oct 3, 2026, 20:16 UTC
EINAROther	Other	MMSI 367389840	Oct 3, 2026, 20:15 UTC
GYPSY SOULSailing	Sailing	MMSI 338535303	Oct 3, 2026, 20:15 UTC
REXSailing	Sailing	MMSI 338521172	Oct 3, 2026, 20:15 UTC
GERONIMOTowing (long/wide)	Towing (long/wide)	IMO 9903188	Oct 3, 2026, 20:14 UTC
OLIVANDRASailing	Sailing	MMSI 338434833	Oct 3, 2026, 20:14 UTC
NORD DELTACargo	Cargo	IMO 1028205	Oct 3, 2026, 20:13 UTC
CIRCE	—	MMSI 338330993	Oct 3, 2026, 20:13 UTC
SEXY THINGPleasure craft	Pleasure craft	MMSI 368316730	Oct 3, 2026, 20:12 UTC
OCEAN PROTECTORAnti-pollution equipment	Anti-pollution equipment	MMSI 368336450	Oct 3, 2026, 20:09 UTC
BETTY LOther	Other	MMSI 366969450	Oct 3, 2026, 19:57 UTC
MYMBLE	—	MMSI 368337270	Oct 3, 2026, 19:38 UTC
SV MANUIA	—	MMSI 338398201	Oct 3, 2026, 19:38 UTC
RIVERCATTug	Tug	IMO 8654340	Oct 3, 2026, 19:34 UTC
VESTED INTEREST	—	MMSI 338307197	Oct 3, 2026, 19:11 UTC
TM9Dredging or underwater ops	Dredging or underwater ops	MMSI 368394950	Oct 3, 2026, 18:40 UTC
SAGITTARIANTowing	Towing	MMSI 366969510	Oct 3, 2026, 18:27 UTC
DELAWARETug	Tug	IMO 9810525	Oct 3, 2026, 17:32 UTC
LYRAPassenger	Passenger	MMSI 368088610	Oct 3, 2026, 17:03 UTC
SOLANO SO M29Law enforcement	Law enforcement	MMSI 338162526	Oct 3, 2026, 16:56 UTC
ALTUM SIDUSTanker	Tanker	IMO 9458822	Oct 3, 2026, 16:01 UTC

Forecast

Model forecast for Hercules over the next 72 hours, every 6 hours: wind, gusts, waves and visibility. Times in UTC.

Time (UTC)	Wind (kn)	From	Gusts (kn)	Waves (m)	Period (s)	Visibility (km)
Oct 3 18:00	3	29°	10	0.1	8	24
Oct 4 00:00	2	316°	9	0.2	2	24
Oct 4 06:00	2	234°	4	0.1	5	24
Oct 4 12:00	2	200°	5	0.1	8	24
Oct 4 18:00	2	24°	8	0.1	8	24
Oct 5 00:00	2	273°	8	0.2	2	24
Oct 5 06:00	5	190°	10	0.1	3	24
Oct 5 12:00	3	199°	7	0.1	13	24
Oct 5 18:00	0	331°	7	0.1	14	24
Oct 6 00:00	4	225°	12	0.2	2	24
Oct 6 06:00	4	195°	8	0.1	12	24
Oct 6 12:00	4	199°	8	0.1	12	24

Forecast: ECMWF IFS 0.25° + ECMWF WAM, run of Oct 3, 2026, 12:00 UTC. Visibility: NOAA GFS 0.25° + GFS-Wave (WAVEWATCH III), run of Oct 3, 2026, 12:00 UTC. Waves are taken from the wave model's nearest sea point, 30 km away.

Source: ECMWF open data (IFS 0.25° forecasts, ECMWF WAM waves). This service is based on data and products of the European Centre for Medium-Range Weather Forecasts (ECMWF). Source: www.ecmwf.int. Licence: CC BY 4.0. Licence: CC-BY-4.0 + ECMWF Terms of Use.

Source: NOAA GFS 0.25° and GFS-Wave (WAVEWATCH III) forecasts. Forecast: NOAA NCEP GFS / GFS-Wave (WAVEWATCH III). Licence: US Government work (public domain); NOAA Open Data Dissemination.

A model forecast, not an observation. Not for navigation.

Marine conditions near Hercules

Live wind, waves and water temperature from nearby NOAA buoys and tide gauges — free government data the incumbents charge for.

Buoy 9415141 - Davis Point, San Pablo Bay, CA · 4.9 kmobserved Jun 8, 2026, 22:30 UTC

Water temp

—

Air temp

19.6°C (67°F)

Wind

15.9 kn @ 270°

Waves

—

Weather buoys

9415141 - Davis Point, San Pablo Bay, CA4.9 km
DPXC14.9 km
Carquinez, CA8.1 km
9414847 - Point Potrero, Richmond, CA15.3 km
PPXC115.3 km

Tide gauges

Richmond, CA16.2 km

Source: NOAA National Data Buoy Center & CO-OPS Tides & Currents — public domain.

Anchorages, pilot boarding and routing near Hercules

Charted areas within 40 km, from NOAA's MarineCadastre.gov. Reference only, not for navigation: the regulation cited governs.

AnchorageAnchorage 20generalSan Francisco Bay, CA110.224(e)(14) · 0.5 km
AnchorageAnchorage 19generalSan Francisco Bay, CA110.224(e)(13) · 4.8 km
AnchorageAnchorage 21navalSan Francisco Bay, CA110.224(e)(15) · 5.3 km
AnchorageAnchorage 24generalSan Francisco Bay, CA110.224(e)(18) · 9.4 km
AnchorageAnchorage 22 Carquinez StraitgeneralSan Francisco Bay, CA110.224(e)(16) · 10.7 km
AnchorageAnchorage 23 BeniciageneralSan Francisco Bay, CA110.224(e)(17) · 11.8 km
AnchorageAnchorage 18generalSan Francisco Bay, CA110.224(e)(12) · 13.4 km
AnchorageAnchorage 6generalSan Francisco Bay, CA110.224(e)(3) · 13.4 km
AnchorageAnchorage 26generalSan Francisco Bay, CA110.224(e)(19) · 14.1 km
AnchorageAnchorage 5 Southampton ShoalgeneralSan Francisco Bay, CA110.224(e)(2) · 16.1 km
AnchorageAnchorage 4generalSan Francisco Bay, CA110.224(e)(1) · 17.2 km
AnchorageAnchorage 13explosivesSan Francisco Bay, CA110.224(e)(10) · 18.1 km

Sources: NOAA Office for Coastal Management (MarineCadastre.gov) and NOAA Fisheries (public domain). Retrieved Oct 1, 2026.

Navigational warnings in force nearby

Navigational warnings in force within 100 km of the port, newest first, as issued by national coordinators (NGA, AMSA). Positions are read from the warning text.

NAVAREA XII 690/2026Issued Sep 29, 2026NGA MSI navigational warnings (HYDROLANT/HYDROPAC/HYDROARC, NAVAREA IV/XII)82 km away
292324Z SEP 26 NAVAREA XII 690/26. NORTH PACIFIC. CALIFORNIA. 1. HAZARDOUS OPERATIONS 062000Z TO 062300Z OCT IN AREA BOUND BY 38-02.00N 123-17.83W, 37-56.00N 123-17.83W, 37-46.42N 123-10.00W, 37-43.00N 124-00.07W, 37-50.00N 124-24.57W, 38-00.00N 123-23.07W. 2. CANCEL THIS MSG 070001Z OCT 26.
NAVAREA XII 486/2026Issued Jul 16, 2026NGA MSI navigational warnings (HYDROLANT/HYDROPAC/HYDROARC, NAVAREA IV/XII)41 km away
162213Z JUL 26 NAVAREA XII 486/26. NORTH PACIFIC. HAWAII. 1. USCG REMOTE COMMUNICATION FACILITY HONOLULU 21-22.00N 158-09.00W TRANSMIT SERVICES UNRELIABLE. 2. HONOLULU BROADCASTS WILL BE TRANSMITTED FROM USCG REMOTE COMMUNICATION FACILITY GUAM 13-25.00N 144-50.00E. 3. DSC RESPONSES WILL BE TRANSMITTED FROM USCG REMOTE COMMUNICATION FACILITY POINT REYES 37-56.00N 122-44.00W. 4. CANCEL NAVAREA XII 276/26.
NAVAREA XII 469/2026Issued Jul 3, 2026NGA MSI navigational warnings (HYDROLANT/HYDROPAC/HYDROARC, NAVAREA IV/XII)15 km away
030020Z JUL 26 NAVAREA XII 469/26. NORTH PACIFIC. BROADCAST AND COMMUNICATION SERVICES UNRELIABLE AT USCG REMOTE COMMUNICATION FACILITIES: A. PT REYES 37-55.00N 122-24.00W. B. HONOLULU 21-22.00N 158-09.00W. C. KODIAK 57-46.00N 152-34.00W. D. NOME 64-29.00N 165-15.00W. E. COLD BAY 55-11.00N 162-42.00W. F. ST PAUL 57-09.00N 170-14.00W. G. SHEMYA 52-43.00N 174-07.00E. H. PT HIGGINS 55-27.00N 131-49.00W. I. ASTORIA 46-10.00N 123-49.00W. J. BERING SEA 57-46.00N 152-34.00W. K. CAMBRIA 33-44N 118-24W.
NAVAREA XII 354/2025Issued Jun 13, 2025NGA MSI navigational warnings (HYDROLANT/HYDROPAC/HYDROARC, NAVAREA IV/XII)41 km away
130011Z JUN 25 NAVAREA XII 354/25(GEN). EASTERN NORTH PACIFIC. MESSAGING SERVICES UNRELIABLE AT USCG REMOTE COMMUNICATION FACILITIES: A. PT REYES (C) 37-55.50N 122-43.90W. B. HONOLULU (O) 21-26.00N 158-09.00W. C. KODIAK (J) 57-46.00N 152-34.00W. D. ASTORIA (W) 46-10.00N 123-49.00W. E. CAMBRIA (Q) 33-44.00N 118-24.00W.

Source: NGA Maritime Safety Information. Not for navigation. This reproduction, partial or complete, of any National Geospatial-Intelligence Agency (NGA), National Imagery and Mapping Agency (NIMA) or Defense Mapping Agency (DMA) product, information or data is not approved, authorized or endorsed by the Secretary of Defense, the Director of National Intelligence, the Director, NGA or any other element of the US Government. The US Government and NGA accept no liability for the accuracy or quality of this reproduction or the use of any NGA, NIMA or DMA products, information or data. Licence: US Government work — "NGA claims no copyright or other intellectual property right".

Not for navigation.

Marine accidents investigated nearby Authority-reported

5 accidents and incidents within 100 km of the port in the published records of national accident-investigation boards since Oct 30, 2009, located where the board states a position. The most recent:

Oct 14, 2024Cargo, Liquid BulkNTSB marine investigations (CAROL)14 km away
PLATANOS, Martinez, CA, USA (NTSB DCA25FM001) · IDASSA
Jul 6, 2023PassengerNTSB marine investigations (CAROL)26 km away
Ruby Princess, San Francisco, CA, USA (NTSB DCA23FM040) · RUBY PRINCESS
Nov 19, 2018ACCNTSB marine investigations (CAROL)65 km away
Imperial, Point Reyes, CA, USA (NTSB DCA19FM008)
Jan 7, 2013ACCNTSB marine investigations (CAROL)25 km away
Overseas Reymar, San Francisco, CA, USA (NTSB DCA13LM004) · Seaways Reymar
Oct 30, 2009Cargo, Liquid BulkNTSB marine investigations (CAROL)29 km away
Dubai Star, San Francisco, CA, USA (NTSB DCA10MM022)

Source: NTSB marine investigations (CAROL). Courtesy: National Transportation Safety Board. Licence: US Government work (17 U.S.C. §105), public domain.

Tools for this port

Use this data

This page is also available as JSON, free, with the source and licence of every section. Sections whose sources do not permit redistribution are listed as withheld.

GET /api/v1/ports/USHXU

View JSON API documentationFree without a key for occasional use; use an API key for more.

Follow by RSS Open data

Using this data in code?

Every account gets a personal API allowance: 2,500 credits a month free, 25,000 with Pro. Pro adds internal business use; API plans add building the data into your own products.

See plans