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Marine Weather Brief – Active Alerts Across Multiple U.S. Coastal Regions (3 Nov 2026)

Published
Evidence as of
Revision
rev 3
Sources
8

Overview

NWS has issued multiple active marine alerts spanning Southeast Alaska, the U.S. West Coast, the Gulf Coast of Florida, and Lake Huron as of data collection at 21:08 UTC on 3 November 2026. All alerts below are time-sensitive; conditions may have changed. Consult the live official NWS notice before making any navigation decisions.

Southeast Alaska — Severe Conditions (NWS Juneau)

This region carries the most significant alerts in this dataset.

Gale Warning: Icy Cape to Cape Suckling [5]

  • Winds: East 35–45 kt, gusts to 50 kt (inshore zone); escalating to Storm Warning level (40–50 kt, gusts to 55 kt) for the 15–80 NM offshore band [5]
  • Seas: 20–25 ft inshore; 22–27 ft offshore during Storm Warning period [5]
  • Sent: 11:33 AM AKST, 3 Nov 2026 [5]
  • NWS notes storm-force winds and hazardous seas could capsize or damage vessels and reduce visibility. Mariners advised to remain in port, alter course, or secure the vessel [5].

Gale Warning: Cape Edgecumbe to Cape Spencer (out to 15 NM) [1]

  • Winds: SE 25–35 kt, gusts to 40 kt [1]
  • Seas: 13–18 ft [1]
  • Until: 9 PM AKST, 3 Nov 2026, followed by a Small Craft Advisory through 6 PM AKST Wednesday [1]
  • NWS advises mariners to remain in port, seek safe harbor, alter course, or secure the vessel [1].

Small Craft Advisory: Clarence Strait [6]

  • Winds: SE 20–30 kt, gusts to 40 kt; escalating to Gale Warning level (25–35 kt, gusts to 40 kt) midnight through 6 AM AKST Wednesday [6]
  • Seas: 7–13 ft depending on period [6]
  • Through: 6 PM AKST Wednesday, 4 Nov 2026 [6]

Small Craft Advisory: Yakutat Bay [7]

  • Winds: East 20–30 kt, gusts to 35 kt [7]
  • Seas: 12–17 ft [7]
  • Through: 6 PM AKST Wednesday, 4 Nov 2026 [7]

Small Craft Advisory: Dixon Entrance to Cape Decision (out to 15 NM) [8]

  • Winds: SE 20–30 kt, gusts to 40 kt [8]
  • Seas: 10–15 ft [8]
  • Through: 6 PM AKST Wednesday, 4 Nov 2026 [8]

Gulf Coast Florida — Marine Weather Statement (NWS Tampa Bay/Ruskin) [2]

  • Areas: Charlotte Harbor and Pine Island Sound; coastal and offshore waters from Bonita Beach to Tarpon Springs FL out to 60 NM [2]
  • At 4:00 PM EST, Doppler radar indicated a strong thunderstorm near Don Pedro Island, moving NW at 30 kt [2]
  • Conditions: Gusty winds to ~30 kt, locally higher waves, lightning, heavy rain [2]
  • Expires: 5:00 PM EST, 3 Nov 2026 [2]
  • NWS advises boaters to seek safe harbor immediately until the storm passes [2].
  • ⚠️ Note: This alert's expiry (17:00 EST) precedes data collection time (21:08 UTC / 16:08 EST). Current conditions are unknown; check the live NWS notice.

Southern California Waters — Small Craft Advisory (NWS San Diego) [3]

  • Area: San Mateo Point to the Mexican Border, 10–60 NM offshore, including San Clemente Island [3]
  • Winds: NW 12–18 kt, gusts 20–25 kt [3]
  • Seas: Choppy [3]
  • Through: 4 AM PST Wednesday, 4 Nov 2026; strongest winds near San Clemente Island [3]
  • NWS advises inexperienced mariners and operators of smaller vessels to avoid hazardous conditions [3].

Lake Huron (Michigan) — Small Craft Advisory (NWS Detroit/Pontiac) [4]

  • Area: Port Austin to Harbor Beach MI; Harbor Beach to Port Sanilac MI; Port Sanilac to Port Huron MI [4]
  • Winds: Sustained to 21 kt from the south, gusts to 26 kt; peak winds expected ~6 PM EST Wednesday [4]
  • Seas: Significant waves to 5 ft, potential max 7 ft; largest waves expected ~8 PM EST Wednesday [4]
  • Through: Midnight EST, 5 Nov 2026 [4]
  • NWS advises inexperienced mariners and smaller vessel operators to avoid hazardous conditions [4].

Material Gaps & Editorial Notes

  • Alert expiry vs. collection lag: Several Juneau alerts list an NWS internal expiry of 19:45 AKST but cover forecast periods extending through Wednesday — verify current status via live NWS feeds.
  • Florida thunderstorm alert had already expired at time of data collection; no current conditions can be inferred.
  • This brief reflects snapshot data collected at 21:08 UTC, 3 November 2026. Conditions and alert status may have changed.
  • VoyageBuddy does not assert navigability or safety of any route. All mariners should consult official NWS marine forecasts directly before underway.

Draft for internal review. Do not publish without human editorial approval.

Sources (8)

  1. Gale Warning issued November 3 at 11:33AM AKST until November 3 at 9:00PM AKST by NWS Juneau AK

    Official feedSource published Collected
    https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.25c5a3975a15e4628be0b0a2f6c949ef99811c56.002.2

  2. Marine Weather Statement issued November 3 at 4:01PM EST by NWS Tampa Bay Ruskin FL

    Official feedSource published Collected
    https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.b4571e71a5dfc6fe704495781ec946310f021ac3.001.1

  3. Small Craft Advisory issued November 3 at 12:49PM PST until November 4 at 4:00AM PST by NWS San Diego CA

    Official feedSource published Collected
    https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.17f67b4289703c621e3670db27b584a49f984483.001.1

  4. Small Craft Advisory issued November 3 at 3:37PM EST until November 5 at 12:00AM EST by NWS Detroit/Pontiac MI

    Official feedSource published Collected
    https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.92149febfa099bd40f5d903b89b308546f0a04da.001.1

  5. Gale Warning issued November 3 at 11:33AM AKST until November 3 at 3:00PM AKST by NWS Juneau AK

    Official feedSource published Collected
    https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.25c5a3975a15e4628be0b0a2f6c949ef99811c56.003.1

  6. Small Craft Advisory issued November 3 at 11:33AM AKST until November 4 at 6:00PM AKST by NWS Juneau AK

    Official feedSource published Collected
    https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.25c5a3975a15e4628be0b0a2f6c949ef99811c56.004.3

  7. Small Craft Advisory issued November 3 at 11:33AM AKST until November 4 at 6:00PM AKST by NWS Juneau AK

    Official feedSource published Collected
    https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.25c5a3975a15e4628be0b0a2f6c949ef99811c56.008.1

  8. Small Craft Advisory issued November 3 at 11:33AM AKST until November 4 at 6:00PM AKST by NWS Juneau AK

    Official feedSource published Collected
    https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.25c5a3975a15e4628be0b0a2f6c949ef99811c56.009.1

Scope & limitations

  • AI-generated intelligence requires human source verification. Internal approval is not public publication.
  • This is not medical advice, a navigation instruction, or a guarantee of safety.
  • Several NWS Juneau alert internal expiry timestamps (19:45 AKST) differ from the forecast coverage periods described in alert bodies — human reviewer should verify current active status via live NWS API before publication.
  • The Florida Marine Weather Statement expiry (17:00 EST) predates data collection time; current Gulf Coast conditions cannot be determined from this evidence alone.
  • All alerts are time-sensitive; this brief must not be presented to users as a substitute for live official NWS marine notices.
  • Do not add, infer, or extrapolate any navigational guidance, safety assessments, or route recommendations beyond what NWS source text states.
  • Human review required before publication — confirm no private data, promotional language, or unverified claims are present.
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