12 (土)	02:02	08:19	14:52	20:36
	76cm	24cm	84cm	43cm
大潮 出 04:44 入 18:02 出 17:24 入 04:13 潮干狩り ○ 07:45～08:51

コイセボイ（北海道）2025年04月12日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
4/12 00:00	64.8	↑1.6
4/12 00:10	66.4	↑1.6
4/12 00:20	67.8	↑1.4
4/12 00:30	69.2	↑1.4
4/12 00:40	70.4	↑1.2
4/12 00:50	71.6	↑1.2
4/12 01:00	72.6	↑1.0
4/12 01:10	73.4	↑0.8
4/12 01:20	74.2	↑0.8
4/12 01:30	74.8	↑0.6
4/12 01:40	75.2	↑0.4
4/12 01:50	75.4	↑0.2
4/12 02:00	75.5	↑0.1	満潮
4/12 02:10	75.5	0
4/12 02:20	75.2	↓-0.3
4/12 02:30	74.8	↓-0.4
4/12 02:40	74.2	↓-0.6
4/12 02:50	73.5	↓-0.7
4/12 03:00	72.6	↓-0.9
4/12 03:10	71.5	↓-1.1
4/12 03:20	70.3	↓-1.2
4/12 03:30	68.9	↓-1.4
4/12 03:40	67.5	↓-1.4
4/12 03:50	65.8	↓-1.7
4/12 04:00	64.1	↓-1.7
4/12 04:10	62.3	↓-1.8
4/12 04:20	60.4	↓-1.9
4/12 04:30	58.4	↓-2.0
4/12 04:40	56.3	↓-2.1
4/12 04:50	54.2	↓-2.1
4/12 05:00	52.0	↓-2.2
4/12 05:10	49.9	↓-2.1
4/12 05:20	47.7	↓-2.2
4/12 05:30	45.5	↓-2.2
4/12 05:40	43.4	↓-2.1
4/12 05:50	41.3	↓-2.1
4/12 06:00	39.3	↓-2.0
4/12 06:10	37.3	↓-2.0
4/12 06:20	35.4	↓-1.9
4/12 06:30	33.6	↓-1.8
4/12 06:40	31.9	↓-1.7
4/12 06:50	30.4	↓-1.5
4/12 07:00	28.9	↓-1.5
4/12 07:10	27.7	↓-1.2
4/12 07:20	26.5	↓-1.2
4/12 07:30	25.6	↓-0.9
4/12 07:40	24.8	↓-0.8
4/12 07:50	24.2	↓-0.6
4/12 08:00	23.7	↓-0.5
4/12 08:10	23.5	↓-0.2	干潮
4/12 08:20	23.4	↓-0.1
4/12 08:30	23.6	↑0.2
4/12 08:40	23.9	↑0.3
4/12 08:50	24.4	↑0.5
4/12 09:00	25.1	↑0.7
4/12 09:10	26.0	↑0.9
4/12 09:20	27.1	↑1.1
4/12 09:30	28.3	↑1.2
4/12 09:40	29.7	↑1.4
4/12 09:50	31.2	↑1.5
4/12 10:00	32.9	↑1.7
4/12 10:10	34.7	↑1.8
4/12 10:20	36.7	↑2.0
4/12 10:30	38.7	↑2.0
4/12 10:40	40.9	↑2.2
4/12 10:50	43.1	↑2.2
4/12 11:00	45.4	↑2.3
4/12 11:10	47.7	↑2.3
4/12 11:20	50.1	↑2.4	最大潮位差
4/12 11:30	52.5	↑2.4	最大潮位差
4/12 11:40	54.9	↑2.4	最大潮位差
4/12 11:50	57.3	↑2.4	最大潮位差
4/12 12:00	59.7	↑2.4	最大潮位差
4/12 12:10	62.0	↑2.3
4/12 12:20	64.3	↑2.3
4/12 12:30	66.5	↑2.2
4/12 12:40	68.6	↑2.1
4/12 12:50	70.6	↑2.0
4/12 13:00	72.5	↑1.9
4/12 13:10	74.3	↑1.8
4/12 13:20	75.9	↑1.6
4/12 13:30	77.4	↑1.5
4/12 13:40	78.7	↑1.3
4/12 13:50	79.9	↑1.2
4/12 14:00	80.9	↑1.0
4/12 14:10	81.8	↑0.9
4/12 14:20	82.4	↑0.6
4/12 14:30	82.9	↑0.5
4/12 14:40	83.2	↑0.3
4/12 14:50	83.3	↑0.1	満潮
4/12 15:00	83.3	0
4/12 15:10	83.0	↓-0.3
4/12 15:20	82.6	↓-0.4
4/12 15:30	82.0	↓-0.6
4/12 15:40	81.3	↓-0.7
4/12 15:50	80.4	↓-0.9
4/12 16:00	79.3	↓-1.1
4/12 16:10	78.1	↓-1.2
4/12 16:20	76.8	↓-1.3
4/12 16:30	75.4	↓-1.4
4/12 16:40	73.8	↓-1.6
4/12 16:50	72.2	↓-1.6
4/12 17:00	70.5	↓-1.7
4/12 17:10	68.7	↓-1.8
4/12 17:20	66.9	↓-1.8
4/12 17:30	65.1	↓-1.8
4/12 17:40	63.2	↓-1.9
4/12 17:50	61.4	↓-1.8
4/12 18:00	59.5	↓-1.9
4/12 18:10	57.7	↓-1.8
4/12 18:20	55.9	↓-1.8
4/12 18:30	54.2	↓-1.7
4/12 18:40	52.5	↓-1.7
4/12 18:50	51.0	↓-1.5
4/12 19:00	49.5	↓-1.5
4/12 19:10	48.2	↓-1.3
4/12 19:20	46.9	↓-1.3
4/12 19:30	45.8	↓-1.1
4/12 19:40	44.9	↓-0.9
4/12 19:50	44.1	↓-0.8
4/12 20:00	43.4	↓-0.7
4/12 20:10	42.9	↓-0.5
4/12 20:20	42.6	↓-0.3
4/12 20:30	42.4	↓-0.2	干潮
4/12 20:40	42.4	0
4/12 20:50	42.6	↑0.2
4/12 21:00	42.9	↑0.3
4/12 21:10	43.4	↑0.5
4/12 21:20	44.1	↑0.7
4/12 21:30	44.9	↑0.8
4/12 21:40	45.9	↑1.0
4/12 21:50	47.0	↑1.1
4/12 22:00	48.3	↑1.3
4/12 22:10	49.7	↑1.4
4/12 22:20	51.2	↑1.5
4/12 22:30	52.8	↑1.6
4/12 22:40	54.5	↑1.7
4/12 22:50	56.3	↑1.8
4/12 23:00	58.1	↑1.8
4/12 23:10	60.0	↑1.9
4/12 23:20	62.0	↑2.0
4/12 23:30	63.9	↑1.9
4/12 23:40	65.8	↑1.9
4/12 23:50	67.8	↑2.0