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National Memorial · Port Chicago Naval Magazine National Memorial

Port Chicago Naval Magazine National Memorial

Best primary window for Port Chicago Naval Magazine: April, with May and October as strong shoulder months.

On July 17, 1944, a massive explosion jolted the San Francisco East Bay area, shattering windows and lighting up the night sky. At Port Chicago Naval Magazine, 320 men were killed instantly when two ships loading ammunition for Pacific troops exploded, resulting in the worst home front disaster of WWII. The aftermath illuminated the issues of segregation and racial inequality in the military.

This page identifies Port Chicago Naval Magazine National Memorial from the checked-in NPS snapshot and the dated source cards on the page.

TI
Targeted Impressions Data TeamData Science & Intelligence
materializedData snapshot: October 27, 20264 source cards

Answer Brief

Answer-first planning signal

Best current use
Port Chicago Naval Magazine National Memorial is listed as a National Memorial in the checked-in NPS identity snapshot.
Current signal
Port Chicago Naval Magazine National Memorial is listed as a National Memorial in CA in the checked-in NPS identity snapshot. Official NPS page: https://www.nps.gov/poch/index.htm. Data snapshot: October 27, 2026.
Visitor takeaway
Hours, access, and visitor guidance for Port Chicago Naval Magazine National Memorial are on the official NPS page at https://www.nps.gov/poch/index.htm.
What it sounds like
Port Chicago Naval Magazine audio on this page is a labeled modeled cue, not a field recording.

Summary at a glance

Port Chicago Naval Magazine National Memorial is listed as a National Memorial in the checked-in NPS identity snapshot. 4 source cards on this page. Data snapshot: October 27, 2026.

Designation
National Memorial
Data snapshot
October 27, 2026
4 source cards
Official NPS
POCH
Region
california sierra
Core Experiences
african-american-heritagemilitaryus-navysocial-movementscivil-rightsGuided ToursPark Film

Month-by-month

Port Chicago Naval Magazine National Memorial is a National Memorial. Hours, access, and visitor guidance are on the official NPS page at https://www.nps.gov/poch/index.htm.

Official page

The NPS page for Port Chicago Naval Magazine National Memorial: https://www.nps.gov/poch/index.htm. Data snapshot: October 27, 2026.

Source cards

4 source cards on this page. Data snapshot: October 27, 2026.

Designation

Port Chicago Naval Magazine National Memorial is listed as a National Memorial in CA.

Getting there

Official access details for Port Chicago Naval Magazine are on the NPS page.

The Port Chicago Naval Magazine National Memorial is on an active military base, so it is only accessible by reservation. The shuttle picks up visitors with reservations at the John Muir National Historic Site. Please know that all visitors for the memorial must have a reservation. Please visit our website for information on how to obtain reservations.

Place instrument

Clock, compare, and listen

Compare places

Season and now

Twelve-month planning is modeled from the published seasonal profile. The current hand stays unavailable until sourced alerts, hours, events, roads, and weather are fresh.

Current hand
Not available

Three listening lanes

Official NPS audio: Not provided for this snapshot.

Synthetic browser audio, never a field recording or live observation.

Jamcorder: Shared station.

Text equivalent for the seasonal place clock
MonthVisitabilityCrowd pressure
January5116
February5418
March5828
April6242
May6260
June5882
July5294
August5292
September6170
October6244
November5724
December5216

The cue is a browser-generated composition, not a field recording. How NPS Sounds modeled audio works.

Methodology

This page uses the checked-in NPS identity snapshot for Port Chicago Naval Magazine National Memorial, the 4 source cards below, and the figures listed above. Data snapshot: October 27, 2026. Read the NPS Sounds methodology and about NPS Sounds for how pages are assembled.

  • Data snapshot: October 27, 2026
  • Source cards: 4

Data Behind This Reading

Source provenance

NPS identity

high

Port Chicago Naval Magazine National Memorial is identified as National Memorial with NPS code poch.

Available · Data snapshot: October 27, 2026

Source

Official operations

limited

Official alerts should be verified on the NPS page. This site uses a checked-in snapshot, not a live operations feed.

From the data snapshot · Data snapshot: October 27, 2026

Source

Weather and seasonality

limited

Port Chicago Naval Magazine National Memorial is listed as a National Memorial in the NPS snapshot. Official NPS page: https://www.nps.gov/poch/index.htm. Data snapshot: October 27, 2026.

Modeled · Data snapshot: October 27, 2026

Source

How this page is assembled

limited

place page source cards come from the data snapshot October 27, 2026.

Data snapshot: October 27, 2026

Source

Where Port Chicago Naval Magazine National Memorial fits

State, region, and designation hubs that list this place.

More California Sierra & Coast visit guides

Other source-reviewed places in the same region.