12 (火)	02:05	08:34	15:08	20:37
	80cm	20cm	82cm	45cm
大潮 出 04:43 入 18:03 出 18:04 入 04:19 潮干狩り ○ 07:24～09:42

コイセボイ（北海道）2044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	67.5	↑1.7
4/12 00:10	69.2	↑1.7
4/12 00:20	70.7	↑1.5
4/12 00:30	72.1	↑1.4
4/12 00:40	73.5	↑1.4
4/12 00:50	74.7	↑1.2
4/12 01:00	75.8	↑1.1
4/12 01:10	76.8	↑1.0
4/12 01:20	77.6	↑0.8
4/12 01:30	78.2	↑0.6
4/12 01:40	78.7	↑0.5
4/12 01:50	79.1	↑0.4
4/12 02:00	79.2	↑0.1	満潮
4/12 02:10	79.2	0
4/12 02:20	79.0	↓-0.2
4/12 02:30	78.6	↓-0.4
4/12 02:40	78.0	↓-0.6
4/12 02:50	77.3	↓-0.7
4/12 03:00	76.4	↓-0.9
4/12 03:10	75.3	↓-1.1
4/12 03:20	74.0	↓-1.3
4/12 03:30	72.6	↓-1.4
4/12 03:40	71.1	↓-1.5
4/12 03:50	69.4	↓-1.7
4/12 04:00	67.5	↓-1.9
4/12 04:10	65.6	↓-1.9
4/12 04:20	63.5	↓-2.1
4/12 04:30	61.4	↓-2.1
4/12 04:40	59.1	↓-2.3
4/12 04:50	56.8	↓-2.3
4/12 05:00	54.5	↓-2.3
4/12 05:10	52.1	↓-2.4
4/12 05:20	49.7	↓-2.4
4/12 05:30	47.3	↓-2.4
4/12 05:40	44.9	↓-2.4
4/12 05:50	42.5	↓-2.4
4/12 06:00	40.2	↓-2.3
4/12 06:10	37.9	↓-2.3
4/12 06:20	35.8	↓-2.1
4/12 06:30	33.7	↓-2.1
4/12 06:40	31.7	↓-2.0
4/12 06:50	29.8	↓-1.9
4/12 07:00	28.0	↓-1.8
4/12 07:10	26.4	↓-1.6
4/12 07:20	25.0	↓-1.4
4/12 07:30	23.7	↓-1.3
4/12 07:40	22.6	↓-1.1
4/12 07:50	21.6	↓-1.0
4/12 08:00	20.9	↓-0.7
4/12 08:10	20.3	↓-0.6
4/12 08:20	20.0	↓-0.3
4/12 08:30	19.8	↓-0.2	干潮
4/12 08:40	19.9	↑0.1
4/12 08:50	20.1	↑0.2
4/12 09:00	20.5	↑0.4
4/12 09:10	21.2	↑0.7
4/12 09:20	22.0	↑0.8
4/12 09:30	23.0	↑1.0
4/12 09:40	24.2	↑1.2
4/12 09:50	25.6	↑1.4
4/12 10:00	27.1	↑1.5
4/12 10:10	28.8	↑1.7
4/12 10:20	30.6	↑1.8
4/12 10:30	32.6	↑2.0
4/12 10:40	34.7	↑2.1
4/12 10:50	36.8	↑2.1
4/12 11:00	39.1	↑2.3
4/12 11:10	41.4	↑2.3
4/12 11:20	43.8	↑2.4
4/12 11:30	46.3	↑2.5	最大潮位差
4/12 11:40	48.7	↑2.4
4/12 11:50	51.2	↑2.5	最大潮位差
4/12 12:00	53.6	↑2.4
4/12 12:10	56.1	↑2.5	最大潮位差
4/12 12:20	58.5	↑2.4
4/12 12:30	60.8	↑2.3
4/12 12:40	63.1	↑2.3
4/12 12:50	65.3	↑2.2
4/12 13:00	67.4	↑2.1
4/12 13:10	69.4	↑2.0
4/12 13:20	71.3	↑1.9
4/12 13:30	73.0	↑1.7
4/12 13:40	74.6	↑1.6
4/12 13:50	76.0	↑1.4
4/12 14:00	77.3	↑1.3
4/12 14:10	78.4	↑1.1
4/12 14:20	79.3	↑0.9
4/12 14:30	80.1	↑0.8
4/12 14:40	80.6	↑0.5
4/12 14:50	81.0	↑0.4
4/12 15:00	81.2	↑0.2	満潮
4/12 15:10	81.3	↑0.1
4/12 15:20	81.1	↓-0.2
4/12 15:30	80.8	↓-0.3
4/12 15:40	80.3	↓-0.5
4/12 15:50	79.6	↓-0.7
4/12 16:00	78.8	↓-0.8
4/12 16:10	77.9	↓-0.9
4/12 16:20	76.8	↓-1.1
4/12 16:30	75.6	↓-1.2
4/12 16:40	74.2	↓-1.4
4/12 16:50	72.8	↓-1.4
4/12 17:00	71.3	↓-1.5
4/12 17:10	69.7	↓-1.6
4/12 17:20	68.0	↓-1.7
4/12 17:30	66.3	↓-1.7
4/12 17:40	64.6	↓-1.7
4/12 17:50	62.8	↓-1.8
4/12 18:00	61.1	↓-1.7
4/12 18:10	59.3	↓-1.8
4/12 18:20	57.6	↓-1.7
4/12 18:30	56.0	↓-1.6
4/12 18:40	54.4	↓-1.6
4/12 18:50	52.9	↓-1.5
4/12 19:00	51.4	↓-1.5
4/12 19:10	50.1	↓-1.3
4/12 19:20	48.9	↓-1.2
4/12 19:30	47.8	↓-1.1
4/12 19:40	46.8	↓-1.0
4/12 19:50	46.0	↓-0.8
4/12 20:00	45.3	↓-0.7
4/12 20:10	44.8	↓-0.5
4/12 20:20	44.4	↓-0.4
4/12 20:30	44.3	↓-0.1	干潮
4/12 20:40	44.2	↓-0.1
4/12 20:50	44.4	↑0.2
4/12 21:00	44.7	↑0.3
4/12 21:10	45.2	↑0.5
4/12 21:20	45.8	↑0.6
4/12 21:30	46.7	↑0.9
4/12 21:40	47.6	↑0.9
4/12 21:50	48.7	↑1.1
4/12 22:00	50.0	↑1.3
4/12 22:10	51.4	↑1.4
4/12 22:20	52.9	↑1.5
4/12 22:30	54.5	↑1.6
4/12 22:40	56.3	↑1.8
4/12 22:50	58.1	↑1.8
4/12 23:00	60.0	↑1.9
4/12 23:10	61.9	↑1.9
4/12 23:20	63.9	↑2.0
4/12 23:30	65.9	↑2.0
4/12 23:40	67.9	↑2.0
4/12 23:50	69.9	↑2.0