09 (月)	02:16	06:21	13:00	20:13
	60cm	50cm	90cm	28cm
中潮 出 04:48 入 17:59 出 04:06 入 15:10

コイセボイ（北海道）2040年04月09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
4/9 00:00	51.3	↑1.2
4/9 00:10	52.4	↑1.1
4/9 00:20	53.5	↑1.1
4/9 00:30	54.4	↑0.9
4/9 00:40	55.4	↑1.0
4/9 00:50	56.2	↑0.8
4/9 01:00	56.9	↑0.7
4/9 01:10	57.6	↑0.7
4/9 01:20	58.1	↑0.5
4/9 01:30	58.6	↑0.5
4/9 01:40	58.9	↑0.3
4/9 01:50	59.2	↑0.3
4/9 02:00	59.4	↑0.2
4/9 02:10	59.4	0	満潮
4/9 02:20	59.4	0
4/9 02:30	59.4	0
4/9 02:40	59.2	↓-0.2
4/9 02:50	58.9	↓-0.3
4/9 03:00	58.6	↓-0.3
4/9 03:10	58.3	↓-0.3
4/9 03:20	57.8	↓-0.5
4/9 03:30	57.3	↓-0.5
4/9 03:40	56.8	↓-0.5
4/9 03:50	56.3	↓-0.5
4/9 04:00	55.7	↓-0.6
4/9 04:10	55.1	↓-0.6
4/9 04:20	54.5	↓-0.6
4/9 04:30	53.9	↓-0.6
4/9 04:40	53.3	↓-0.6
4/9 04:50	52.7	↓-0.6
4/9 05:00	52.2	↓-0.5
4/9 05:10	51.7	↓-0.5
4/9 05:20	51.2	↓-0.5
4/9 05:30	50.8	↓-0.4
4/9 05:40	50.5	↓-0.3
4/9 05:50	50.2	↓-0.3
4/9 06:00	50.0	↓-0.2
4/9 06:10	49.8	↓-0.2
4/9 06:20	49.8	0	干潮
4/9 06:30	49.8	0
4/9 06:40	50.0	↑0.2
4/9 06:50	50.2	↑0.2
4/9 07:00	50.5	↑0.3
4/9 07:10	51.0	↑0.5
4/9 07:20	51.5	↑0.5
4/9 07:30	52.1	↑0.6
4/9 07:40	52.9	↑0.8
4/9 07:50	53.7	↑0.8
4/9 08:00	54.6	↑0.9
4/9 08:10	55.6	↑1.0
4/9 08:20	56.8	↑1.2
4/9 08:30	58.0	↑1.2
4/9 08:40	59.2	↑1.2
4/9 08:50	60.6	↑1.4
4/9 09:00	62.0	↑1.4
4/9 09:10	63.4	↑1.4
4/9 09:20	65.0	↑1.6
4/9 09:30	66.5	↑1.5
4/9 09:40	68.1	↑1.6
4/9 09:50	69.7	↑1.6
4/9 10:00	71.3	↑1.6
4/9 10:10	72.9	↑1.6
4/9 10:20	74.5	↑1.6
4/9 10:30	76.0	↑1.5
4/9 10:40	77.6	↑1.6
4/9 10:50	79.1	↑1.5
4/9 11:00	80.5	↑1.4
4/9 11:10	81.9	↑1.4
4/9 11:20	83.1	↑1.2
4/9 11:30	84.3	↑1.2
4/9 11:40	85.4	↑1.1
4/9 11:50	86.4	↑1.0
4/9 12:00	87.3	↑0.9
4/9 12:10	88.1	↑0.8
4/9 12:20	88.7	↑0.6
4/9 12:30	89.2	↑0.5
4/9 12:40	89.6	↑0.4
4/9 12:50	89.8	↑0.2	満潮
4/9 13:00	89.9	↑0.1	満潮
4/9 13:10	89.8	↓-0.1
4/9 13:20	89.6	↓-0.2
4/9 13:30	89.2	↓-0.4
4/9 13:40	88.6	↓-0.6
4/9 13:50	87.9	↓-0.7
4/9 14:00	87.1	↓-0.8
4/9 14:10	86.1	↓-1.0
4/9 14:20	84.9	↓-1.2
4/9 14:30	83.6	↓-1.3
4/9 14:40	82.2	↓-1.4
4/9 14:50	80.7	↓-1.5
4/9 15:00	79.0	↓-1.7
4/9 15:10	77.2	↓-1.8
4/9 15:20	75.4	↓-1.8
4/9 15:30	73.4	↓-2.0
4/9 15:40	71.4	↓-2.0
4/9 15:50	69.2	↓-2.2
4/9 16:00	67.1	↓-2.1
4/9 16:10	64.8	↓-2.3	最大潮位差
4/9 16:20	62.6	↓-2.2
4/9 16:30	60.3	↓-2.3	最大潮位差
4/9 16:40	58.0	↓-2.3	最大潮位差
4/9 16:50	55.7	↓-2.3	最大潮位差
4/9 17:00	53.5	↓-2.2
4/9 17:10	51.2	↓-2.3	最大潮位差
4/9 17:20	49.0	↓-2.2
4/9 17:30	46.9	↓-2.1
4/9 17:40	44.8	↓-2.1
4/9 17:50	42.8	↓-2.0
4/9 18:00	40.9	↓-1.9
4/9 18:10	39.1	↓-1.8
4/9 18:20	37.4	↓-1.7
4/9 18:30	35.8	↓-1.6
4/9 18:40	34.3	↓-1.5
4/9 18:50	33.0	↓-1.3
4/9 19:00	31.8	↓-1.2
4/9 19:10	30.8	↓-1.0
4/9 19:20	29.9	↓-0.9
4/9 19:30	29.2	↓-0.7
4/9 19:40	28.6	↓-0.6
4/9 19:50	28.2	↓-0.4
4/9 20:00	27.9	↓-0.3
4/9 20:10	27.8	↓-0.1	干潮
4/9 20:20	27.9	↑0.1
4/9 20:30	28.1	↑0.2
4/9 20:40	28.4	↑0.3
4/9 20:50	28.9	↑0.5
4/9 21:00	29.6	↑0.7
4/9 21:10	30.4	↑0.8
4/9 21:20	31.3	↑0.9
4/9 21:30	32.3	↑1.0
4/9 21:40	33.4	↑1.1
4/9 21:50	34.6	↑1.2
4/9 22:00	36.0	↑1.4
4/9 22:10	37.4	↑1.4
4/9 22:20	38.8	↑1.4
4/9 22:30	40.3	↑1.5
4/9 22:40	41.9	↑1.6
4/9 22:50	43.5	↑1.6
4/9 23:00	45.1	↑1.6
4/9 23:10	46.7	↑1.6
4/9 23:20	48.3	↑1.6
4/9 23:30	49.9	↑1.6
4/9 23:40	51.5	↑1.6
4/9 23:50	53.0	↑1.5