Tideway Conditions

🌊 Tideway Information

🔄 Fresh data • Updated: 2026-10-25T18:04:47 • TTL: 3600s

🚩 PLA Tideway Flag

Flag Color: Black

Status: Low Fluvial Flows

Source: PLA Tideway (Updated twice daily)

Flag Meanings:

RED: Very Strong Fluvial Flows - Dangerous conditions
YELLOW: Strong Fluvial Flows - Navigate with extreme caution
GREEN: Average Fluvial Flows - Navigate with caution
BLACK: Low Fluvial Flows - Lower than usual conditions

The tideway flag system operates between Teddington and Putney on the tidal Thames.

🌊 Richmond Tidal Information

🌊 Next High Water

Time: 26 Oct @ 02:26 GMT

Predicted Height: 4.68m

🏞️ Next Low Water

Time: 25 Oct @ 22:03 GMT

Predicted Height: 0.12m

Next Low Tide

Time: 25 Oct @ 22:03 G

Predicted Height: 0.12m

Station: Richmond (0116)

Source: PLA Tidal Predictions (Live)

Heights in metres above Chart Datum. Surge shows difference between predicted and observed levels.

🌉 Bridge Tidal Predictions (Next 48 Hours)

Calculated from London Bridge tidal data (London Bridge - 0113)

Hammersmith Bridge

HW: +38 min | LW: +118 min

Most Recent Tide

Last High 25 Oct @ 14:42 GMT 6.2m

Next Tides (48 Hours)

Low 25 Oct @ 21:40 GMT 0.73m

High 26 Oct @ 02:01 GMT 7.14m

Low 26 Oct @ 09:56 GMT 0.97m

Putney Bridge

HW: +31 min | LW: +98 min

Most Recent Tide

Last High 25 Oct @ 14:35 GMT 6.2m

Next Tides (48 Hours)

Low 25 Oct @ 21:20 GMT 0.73m

High 26 Oct @ 01:54 GMT 7.14m

Low 26 Oct @ 09:36 GMT 0.97m

Summary Format

Flag: Black
Richmond LOW: 25 Oct 22:03 GMT
Hammersmith: ebb until 21:40 (since 14:42)

This appears in the main dashboard summary

{
  "data": {
    "api_source": "PLA Tideway Flag + Richmond + London Bridge Tidal Data",
    "bridge_predictions": {
      "base_station": {
        "gauge_code": "0113",
        "name": "London Bridge",
        "source": "PLA Tidal Predictions (Live)"
      },
      "hammersmith": {
        "combined_tides": [
          {
            "height": "6.2",
            "is_past": true,
            "offset_applied": "+38 min",
            "time": "25 Oct @ 14:42 GMT",
            "type": "high"
          },
          {
            "height": "0.73",
            "is_past": false,
            "offset_applied": "+118 min",
            "time": "25 Oct @ 21:40 GMT",
            "type": "low"
          },
          {
            "height": "7.14",
            "is_past": false,
            "offset_applied": "+38 min",
            "time": "26 Oct @ 02:01 GMT",
            "type": "high"
          },
          {
            "height": "0.97",
            "is_past": false,
            "offset_applied": "+118 min",
            "time": "26 Oct @ 09:56 GMT",
            "type": "low"
          }
        ],
        "high_tides": [
          {
            "height": "6.2",
            "offset_applied": "+38 min",
            "time": "25 Oct @ 14:42 GMT"
          },
          {
            "height": "7.14",
            "offset_applied": "+38 min",
            "time": "26 Oct @ 02:01 GMT"
          }
        ],
        "high_water_offset": "+38 min",
        "low_tides": [
          {
            "height": "0.73",
            "offset_applied": "+118 min",
            "time": "25 Oct @ 21:40 GMT"
          },
          {
            "height": "0.97",
            "offset_applied": "+118 min",
            "time": "26 Oct @ 09:56 GMT"
          }
        ],
        "low_water_offset": "+118 min",
        "name": "Hammersmith Bridge"
      },
      "putney": {
        "combined_tides": [
          {
            "height": "6.2",
            "is_past": true,
            "offset_applied": "+31 min",
            "time": "25 Oct @ 14:35 GMT",
            "type": "high"
          },
          {
            "height": "0.73",
            "is_past": false,
            "offset_applied": "+98 min",
            "time": "25 Oct @ 21:20 GMT",
            "type": "low"
          },
          {
            "height": "7.14",
            "is_past": false,
            "offset_applied": "+31 min",
            "time": "26 Oct @ 01:54 GMT",
            "type": "high"
          },
          {
            "height": "0.97",
            "is_past": false,
            "offset_applied": "+98 min",
            "time": "26 Oct @ 09:36 GMT",
            "type": "low"
          }
        ],
        "high_tides": [
          {
            "height": "6.2",
            "offset_applied": "+31 min",
            "time": "25 Oct @ 14:35 GMT"
          },
          {
            "height": "7.14",
            "offset_applied": "+31 min",
            "time": "26 Oct @ 01:54 GMT"
          }
        ],
        "high_water_offset": "+31 min",
        "low_tides": [
          {
            "height": "0.73",
            "offset_applied": "+98 min",
            "time": "25 Oct @ 21:20 GMT"
          },
          {
            "height": "0.97",
            "offset_applied": "+98 min",
            "time": "26 Oct @ 09:36 GMT"
          }
        ],
        "low_water_offset": "+98 min",
        "name": "Putney Bridge"
      },
      "source_info": "Calculated from London Bridge tidal data"
    },
    "last_updated": "2026-10-25T18:04:46.535696",
    "london_bridge_tidal": {
      "high_tides": [
        {
          "height": "6.2",
          "time": "25 Oct @ 14:04 GMT"
        },
        {
          "height": "7.14",
          "time": "26 Oct @ 01:23"
        }
      ],
      "low_tides": [
        {
          "height": "0.73",
          "time": "25 Oct @ 19:42"
        },
        {
          "height": "0.97",
          "time": "26 Oct @ 07:58"
        }
      ],
      "station": {
        "gauge_code": "0113",
        "name": "London Bridge",
        "source": "PLA Tidal Predictions (Live)"
      }
    },
    "richmond_tidal": {
      "next_event": {
        "height": 0.12,
        "is_past": false,
        "observed_height": null,
        "predicted_height": 0.12,
        "surge": null,
        "time": "25 Oct @ 22:03 GMT",
        "type": "low"
      },
      "next_high": {
        "height": 4.68,
        "is_past": false,
        "observed_height": null,
        "predicted_height": 4.68,
        "surge": null,
        "time": "26 Oct @ 02:26 GMT",
        "type": "high"
      },
      "next_low": {
        "height": 0.12,
        "is_past": false,
        "observed_height": null,
        "predicted_height": 0.12,
        "surge": null,
        "time": "25 Oct @ 22:03 GMT",
        "type": "low"
      },
      "raw_high_tides": [
        {
          "height": "4.68",
          "time": "26 Oct @ 02:26"
        }
      ],
      "raw_low_tides": [
        {
          "height": "0.12",
          "time": "25 Oct @ 22:03"
        },
        {
          "height": "0.22",
          "time": "26 Oct @ 10:11"
        }
      ],
      "recent_event": null,
      "station": {
        "gauge_code": "0116",
        "name": "Richmond",
        "source": "PLA Tidal Predictions (Live)"
      }
    },
    "summary": "Flag: Black\u003cbr\u003eRichmond LOW: 25 Oct 22:03 GMT\u003cbr\u003eHammersmith: ebb until 21:40 (since 14:42)",
    "tideway_flag": {
      "color": "black",
      "last_updated": "2026-10-25T18:04:46.535704",
      "source": "PLA Tideway",
      "status": "Low Fluvial Flows",
      "warning": null
    }
  },
  "metadata": {
    "enabled": true,
    "error": false,
    "error_message": null,
    "from_cache": false,
    "timestamp": "2026-10-25T18:04:47.389025",
    "ttl": 3600
  },
  "service": "tideway"
}

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