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Storm Mode / Observations

Station and river observations

METAR/SPECI uses the existing AviationWeather.gov bulk cache over the lower 48 and its margin. NWPS retains only gauges in the existing action-stage-or-above observed list; forecast-only gauges can have no observation. Absence never establishes zero wind, low water, or safe conditions.

Water-level gauge PRTV2

unavailable · No observation in the latest cached source list. Retained readings below are historical; an absent gauge may have fallen below action stage or stopped reporting.

Tide gauge (coastal water level) · Port Isobel/Tangier Island (IN MLLW) · Chesapeake Bay · -75.979416, 37.834596. Units ft; datum not supplied.

Source checked 2026-10-17 07:45:05.237Z · current.

Stage in this gauge’s units, not a regional flood depth. Tide/lake gauges remain water levels; datum is not supplied by this feed. Historical observations and the latest forecast keep separate times.

Retained observations: 0; target 24 hours, at most 96 reports per station. Recording began 2026-10-17 06:15:05.234Z; oldest available reading none.

Observed stage and separate NWS forecast at PRTV2 (ft)Dots are retained observations. Lines break for missing fields, long intervals or changed station location or units. 0 recorded discontinuities. Dashed lines, when present, are the separately issued NWS forecast.4.40.4ft10-16 17:00Z10-20 04:00Z
Observed stage and separate NWS forecast · 0 retained observations; 0 discontinuities. Dashed: NWS forecast issued 2026-10-16 17:31:00 UTC; forecast valid times are not observations. Lines join reported values only; missing intervals are not interpolated.

NWS forecast · current

Highest listed forecast: 3.4 ft at 2026-10-19 23:00:00 UTC; issued 2026-10-16 17:31:00 UTC. Minor flooding.

Forecasts are issued routinely year-round.

Gauge thresholds: action 3 ft; minor 3.25 ft; moderate 3.75 ft; major 4.25 ft.

Forecast points (84) · issued 2026-10-16 17:31:00 UTC
Forecast valid time (UTC)Forecast Tide Height
2026-10-16 17:00:00 UTC2.2 ft
2026-10-16 18:00:00 UTC2.5 ft
2026-10-16 19:00:00 UTC2.8 ft
2026-10-16 20:00:00 UTC3 ft
2026-10-16 21:00:00 UTC3 ft
2026-10-16 22:00:00 UTC2.9 ft
2026-10-16 23:00:00 UTC2.5 ft
2026-10-17 00:00:00 UTC2.2 ft
2026-10-17 01:00:00 UTC1.9 ft
2026-10-17 02:00:00 UTC1.7 ft
2026-10-17 03:00:00 UTC1.7 ft
2026-10-17 04:00:00 UTC1.6 ft
2026-10-17 05:00:00 UTC1.8 ft
2026-10-17 06:00:00 UTC2 ft
2026-10-17 07:00:00 UTC2.2 ft
2026-10-17 08:00:00 UTC2.4 ft
2026-10-17 09:00:00 UTC2.4 ft
2026-10-17 10:00:00 UTC2.3 ft
2026-10-17 11:00:00 UTC2.1 ft
2026-10-17 12:00:00 UTC1.8 ft
2026-10-17 13:00:00 UTC1.6 ft
2026-10-17 14:00:00 UTC1.5 ft
2026-10-17 15:00:00 UTC1.4 ft
2026-10-17 16:00:00 UTC1.4 ft
2026-10-17 17:00:00 UTC1.6 ft
2026-10-17 18:00:00 UTC1.9 ft
2026-10-17 19:00:00 UTC2.3 ft
2026-10-17 20:00:00 UTC2.5 ft
2026-10-17 21:00:00 UTC2.6 ft
2026-10-17 22:00:00 UTC2.6 ft
2026-10-17 23:00:00 UTC2.4 ft
2026-10-18 00:00:00 UTC2.2 ft
2026-10-18 01:00:00 UTC1.9 ft
2026-10-18 02:00:00 UTC1.7 ft
2026-10-18 03:00:00 UTC1.5 ft
2026-10-18 04:00:00 UTC1.4 ft
2026-10-18 05:00:00 UTC1.4 ft
2026-10-18 06:00:00 UTC1.5 ft
2026-10-18 07:00:00 UTC1.8 ft
2026-10-18 08:00:00 UTC2.1 ft
2026-10-18 09:00:00 UTC2.4 ft
2026-10-18 10:00:00 UTC2.5 ft
2026-10-18 11:00:00 UTC2.4 ft
2026-10-18 12:00:00 UTC2.3 ft
2026-10-18 13:00:00 UTC2.1 ft
2026-10-18 14:00:00 UTC1.8 ft
2026-10-18 15:00:00 UTC1.7 ft
2026-10-18 16:00:00 UTC1.7 ft
2026-10-18 17:00:00 UTC1.8 ft
2026-10-18 18:00:00 UTC1.9 ft
2026-10-18 19:00:00 UTC2.2 ft
2026-10-18 20:00:00 UTC2.7 ft
2026-10-18 21:00:00 UTC2.9 ft
2026-10-18 22:00:00 UTC3.1 ft
2026-10-18 23:00:00 UTC3.1 ft
2026-10-19 00:00:00 UTC3 ft
2026-10-19 01:00:00 UTC2.8 ft
2026-10-19 02:00:00 UTC2.6 ft
2026-10-19 03:00:00 UTC2.4 ft
2026-10-19 04:00:00 UTC2.2 ft
2026-10-19 05:00:00 UTC2.1 ft
2026-10-19 06:00:00 UTC2.2 ft
2026-10-19 07:00:00 UTC2.3 ft
2026-10-19 08:00:00 UTC2.6 ft
2026-10-19 09:00:00 UTC2.8 ft
2026-10-19 10:00:00 UTC3 ft
2026-10-19 11:00:00 UTC3 ft
2026-10-19 12:00:00 UTC3 ft
2026-10-19 13:00:00 UTC2.9 ft
2026-10-19 14:00:00 UTC2.7 ft
2026-10-19 15:00:00 UTC2.5 ft
2026-10-19 16:00:00 UTC2.2 ft
2026-10-19 17:00:00 UTC2.1 ft
2026-10-19 18:00:00 UTC2.2 ft
2026-10-19 19:00:00 UTC2.4 ft
2026-10-19 20:00:00 UTC2.7 ft
2026-10-19 21:00:00 UTC3 ft
2026-10-19 22:00:00 UTC3.3 ft
2026-10-19 23:00:00 UTC3.4 ft
2026-10-20 00:00:00 UTC3.4 ft
2026-10-20 01:00:00 UTC3.3 ft
2026-10-20 02:00:00 UTC3.1 ft
2026-10-20 03:00:00 UTC2.8 ft
2026-10-20 04:00:00 UTC2.6 ft
NWS gauge impact statements
  • 4.25 ft: Most homes and businesses on Tangier Island are surrounded by or infiltrated by water. All roadways are flooded with limited access. At Port Isobel, water enters the buildings at the Environmental Education Center.
  • 3.75 ft: Main Ridge Road and Post Office Road on Tangier Island begin to flood. Most homes on West Ridge Road are surrounded by water. In addition, the Tangier Fire Department and homes on Main Ridge Road south of Canton Road are surrounded by water. At Port Isobel, water begins to surround the Port Isobel Environmental Education Center buildings and the boat docks are flooded.
  • 3.5 ft: The boat docks and canoe launch area at the Port Isobel Environmental Education Center are flooded. On Tangier Island, most of West Ridge Road, the ball field on School Lane, Main Ridge Road from the County Dock to Long Bridge Road, and from Parker Lane to Factory Road, are flooded.
  • 3.25 ft: Low-lying portions of West Ridge Road, both corners of Factory Road, and the middle portion of Wallace Road are flooded. The low-lying portions of School Lane, near the bridge, and Parks Marina Lane to the County Dock on Tangier Island, are flooded. Beach access on Hog Ridge Road is limited due to standing water at Janders Bridge.
Observed reports as a table (0)
Observed (UTC)Stage / unitsSource category / water
No retained observations.
Capture times, quality and provenance

Each report keeps its observation time, first capture of this version, and the SHA-256 of the source bulk body. Corrections at the same observation time replace that point and are marked; unrelated bulk-file changes do not freshen a report.

    Only observed gauge records enter this history. Forecast maxima and forecast hydrograph points never become observations. A missing datum or unsupported flow value remains unknown.

    Observation source page · Cached readings as JSON · Official source

    Gauges in the latest cached source

    105 total · source current; checked . Showing 100 on page 1. 0 gauges have suspect readings set aside.

    Source status · Storm Mode