GribStream

IFS Wave 0.1°

GribStreamコード: ifswave0p1

IFS 0.1° UTC forecast lead times: 3h steps to 144h, then 6h steps to 360h for 00 and 12 UTC
ifswave0p1 · UTC · 3h / 6h · 06/18: +0…144h · 00/12: +0…360h

ECMWF IFSを0.1°の全球出力格子で提供します。0.25°製品と同じ予報を細かい格子で配信し、公開は約2時間後です。

大気製品には公開された地表変数と全気圧面が含まれ、波浪製品は海洋向けの予報を提供します。正確な変数と高度のセレクターは下の一覧を参照してください。積算値、率、区間極値の定義と単位は配信元に従います。

1日4回、00・06・12・18 UTCに初期化されます。最初の06 UTC予報では+0～+144時間が3時間間隔です。ECMWFの仕様では00/12 UTC予報は+144時間まで3時間間隔、その後+150～+360時間は6時間間隔です。初期時刻と公開時刻は異なります。

配信元の0.1°データは2026年10月20日06 UTCから始まります。それ以前のIFSデータは別の0.25°データセットにあります。配信元で引き続き取得できる索引済みファイルが照会対象です。

runsとtimeseriesで正確なセレクターを指定してください。アンサンブルはメンバー1～50です。コントロールは対応する決定論データセットです。欠損値は欠損のまま返します。

/api/v2/ifswave0p1/runs · /api/v2/ifswave0p1/timeseries

  • アーカイブ開始日: 2026-10-20

    • 気象パラメータ

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    パラメータをクリックすると、コピーしやすいJSONセレクタ付きのコンパクトな表で候補を確認できます。コード、level、selector値はAPIが公開する値をそのまま保持します。

    cdww –Coefficient of drag with waves (dimensionless)
    1 variant

    Parameter ID 140233

    ECMWF param DB

    Wave-model drag coefficient describing the surface stress coupling between winds and waves.

    • Published with ECMWF wave-model output and useful for diagnosing air-sea momentum exchange.
    Level Info Horizon Selector
    sfc 0h-360h
    {"name":"cdww","level":"sfc","info":""}
    h1012 –Significant wave height of all waves with periods from 10 to 12 seconds (m)
    1 variant

    Parameter ID 140114

    ECMWF param DB

    Significant wave height contributed by waves with periods from 10 to 12 seconds.

    • Period-band wave height fields help separate sea states by wave-period class.
    Level Info Horizon Selector
    sfc 0h-360h
    {"name":"h1012","level":"sfc","info":""}
    h1214 –Significant wave height of all waves with periods from 12 to 14 seconds (m)
    1 variant

    Parameter ID 140115

    ECMWF param DB

    Significant wave height contributed by waves with periods from 12 to 14 seconds.

    • Period-band wave height fields help separate sea states by wave-period class.
    Level Info Horizon Selector
    sfc 0h-360h
    {"name":"h1214","level":"sfc","info":""}
    h1417 –Significant wave height of all waves with periods from 14 to 17 seconds (m)
    1 variant

    Parameter ID 140116

    ECMWF param DB

    Significant wave height contributed by waves with periods from 14 to 17 seconds.

    • Period-band wave height fields help separate sea states by wave-period class.
    Level Info Horizon Selector
    sfc 0h-360h
    {"name":"h1417","level":"sfc","info":""}
    h1721 –Significant wave height of all waves with periods from 17 to 21 seconds (m)
    1 variant

    Parameter ID 140117

    ECMWF param DB

    Significant wave height contributed by waves with periods from 17 to 21 seconds.

    • Period-band wave height fields help separate sea states by wave-period class.
    Level Info Horizon Selector
    sfc 0h-360h
    {"name":"h1721","level":"sfc","info":""}
    h2125 –Significant wave height of all waves with periods from 21 to 25 seconds (m)
    1 variant

    Parameter ID 140118

    ECMWF param DB

    Significant wave height contributed by waves with periods from 21 to 25 seconds.

    • Period-band wave height fields help separate sea states by wave-period class.
    Level Info Horizon Selector
    sfc 0h-360h
    {"name":"h2125","level":"sfc","info":""}
    h2530 –Significant wave height of all waves with periods from 25 to 30 seconds (m)
    1 variant

    Parameter ID 140119

    ECMWF param DB

    Significant wave height contributed by waves with periods from 25 to 30 seconds.

    • Period-band wave height fields help separate sea states by wave-period class.
    Level Info Horizon Selector
    sfc 0h-360h
    {"name":"h2530","level":"sfc","info":""}
    mp2 –Mean zero-crossing wave period (s)
    1 variant

    Parameter ID 140221

    ECMWF param DB

    Mean time between sea-surface crossings of mean sea level.

    • Derived from the two-dimensional wave spectrum that combines waves of different heights, lengths, and directions.
    • Useful with wave height to estimate time under water for coastal structures.
    Level Info Horizon Selector
    sfc 0h-360h
    {"name":"mp2","level":"sfc","info":""}
    mwd –Mean wave direction (Degree true)
    1 variant

    Parameter ID 140230

    ECMWF param DB

    Mean direction of ocean surface waves averaged over the wave spectrum.

    • Accounts for both wind-sea and swell components.
    • Direction is in degrees true (0 = from north, 90 = from east).
    Level Info Horizon Selector
    sfc 0h-360h
    {"name":"mwd","level":"sfc","info":""}
    mwp –Mean wave period (s)
    1 variant

    Parameter ID 140232

    ECMWF param DB

    Average time between successive wave crests based on the wave spectrum.

    • Accounts for both wind-sea and swell components.
    • Useful for sea state assessments and marine engineering.
    Level Info Horizon Selector
    sfc 0h-360h
    {"name":"mwp","level":"sfc","info":""}
    pp1d –Peak wave period (s)
    1 variant

    Parameter ID 140231

    ECMWF param DB

    Period of the most energetic ocean waves associated with the spectral peak.

    • Computed from the reciprocal of the frequency at the peak of the wave spectrum.
    • Includes contributions from both wind-sea and swell.
    Level Info Horizon Selector
    sfc 0h-360h
    {"name":"pp1d","level":"sfc","info":""}
    swh –Significant height of combined wind waves and swell (m)
    1 variant

    Parameter ID 140229

    ECMWF param DB

    Average height of the highest one-third of wind + swell waves.

    • Defined as four times the square root of the spectral variance (integral over all frequencies and directions).
    • Used to assess sea state and structural loading offshore.
    Level Info Horizon Selector
    sfc 0h-360h
    {"name":"swh","level":"sfc","info":""}
    wmb –Model bathymetry (m)
    1 variant

    Parameter ID 140219

    ECMWF param DB

    Bathymetry used by the ECMWF wave model.

    • This is a model-grid field used by the wave model, not an observed water-depth analysis.
    Level Info Horizon Selector
    sfc 0h-360h
    {"name":"wmb","level":"sfc","info":""}

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