21 (水)	00:17	05:28	11:51	18:33
	62cm	48cm	75cm	38cm
中潮 出 04:28 入 18:13 出 13:52 入 02:03

コイセボイ（北海道）2032年04月21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
4/21 00:00	61.5	↑0.1
4/21 00:10	61.6	↑0.1	満潮
4/21 00:20	61.6	0
4/21 00:30	61.5	↓-0.1
4/21 00:40	61.4	↓-0.1
4/21 00:50	61.2	↓-0.2
4/21 01:00	60.9	↓-0.3
4/21 01:10	60.5	↓-0.4
4/21 01:20	60.1	↓-0.4
4/21 01:30	59.7	↓-0.4
4/21 01:40	59.1	↓-0.6
4/21 01:50	58.6	↓-0.5
4/21 02:00	58.0	↓-0.6
4/21 02:10	57.3	↓-0.7
4/21 02:20	56.6	↓-0.7
4/21 02:30	55.9	↓-0.7
4/21 02:40	55.2	↓-0.7
4/21 02:50	54.5	↓-0.7
4/21 03:00	53.8	↓-0.7
4/21 03:10	53.1	↓-0.7
4/21 03:20	52.4	↓-0.7
4/21 03:30	51.7	↓-0.7
4/21 03:40	51.0	↓-0.7
4/21 03:50	50.4	↓-0.6
4/21 04:00	49.8	↓-0.6
4/21 04:10	49.2	↓-0.6
4/21 04:20	48.7	↓-0.5
4/21 04:30	48.3	↓-0.4
4/21 04:40	47.9	↓-0.4
4/21 04:50	47.6	↓-0.3
4/21 05:00	47.4	↓-0.2
4/21 05:10	47.2	↓-0.2
4/21 05:20	47.1	↓-0.1	干潮
4/21 05:30	47.1	0
4/21 05:40	47.1	0
4/21 05:50	47.3	↑0.2
4/21 06:00	47.5	↑0.2
4/21 06:10	47.8	↑0.3
4/21 06:20	48.2	↑0.4
4/21 06:30	48.7	↑0.5
4/21 06:40	49.2	↑0.5
4/21 06:50	49.8	↑0.6
4/21 07:00	50.5	↑0.7
4/21 07:10	51.3	↑0.8
4/21 07:20	52.1	↑0.8
4/21 07:30	53.0	↑0.9
4/21 07:40	54.0	↑1.0
4/21 07:50	55.0	↑1.0
4/21 08:00	56.0	↑1.0
4/21 08:10	57.1	↑1.1
4/21 08:20	58.2	↑1.1
4/21 08:30	59.3	↑1.1
4/21 08:40	60.4	↑1.1
4/21 08:50	61.6	↑1.2
4/21 09:00	62.7	↑1.1
4/21 09:10	63.9	↑1.2
4/21 09:20	65.0	↑1.1
4/21 09:30	66.1	↑1.1
4/21 09:40	67.1	↑1.0
4/21 09:50	68.2	↑1.1
4/21 10:00	69.1	↑0.9
4/21 10:10	70.0	↑0.9
4/21 10:20	70.9	↑0.9
4/21 10:30	71.7	↑0.8
4/21 10:40	72.4	↑0.7
4/21 10:50	73.0	↑0.6
4/21 11:00	73.6	↑0.6
4/21 11:10	74.0	↑0.4
4/21 11:20	74.4	↑0.4
4/21 11:30	74.6	↑0.2
4/21 11:40	74.8	↑0.2
4/21 11:50	74.9	↑0.1	満潮
4/21 12:00	74.8	↓-0.1
4/21 12:10	74.6	↓-0.2
4/21 12:20	74.4	↓-0.2
4/21 12:30	74.0	↓-0.4
4/21 12:40	73.5	↓-0.5
4/21 12:50	73.0	↓-0.5
4/21 13:00	72.3	↓-0.7
4/21 13:10	71.5	↓-0.8
4/21 13:20	70.7	↓-0.8
4/21 13:30	69.7	↓-1.0
4/21 13:40	68.7	↓-1.0
4/21 13:50	67.6	↓-1.1
4/21 14:00	66.4	↓-1.2
4/21 14:10	65.2	↓-1.2
4/21 14:20	63.9	↓-1.3
4/21 14:30	62.5	↓-1.4
4/21 14:40	61.2	↓-1.3
4/21 14:50	59.7	↓-1.5	最大潮位差
4/21 15:00	58.3	↓-1.4
4/21 15:10	56.9	↓-1.4
4/21 15:20	55.4	↓-1.5	最大潮位差
4/21 15:30	54.0	↓-1.4
4/21 15:40	52.5	↓-1.5	最大潮位差
4/21 15:50	51.1	↓-1.4
4/21 16:00	49.7	↓-1.4
4/21 16:10	48.4	↓-1.3
4/21 16:20	47.1	↓-1.3
4/21 16:30	45.9	↓-1.2
4/21 16:40	44.7	↓-1.2
4/21 16:50	43.6	↓-1.1
4/21 17:00	42.6	↓-1.0
4/21 17:10	41.7	↓-0.9
4/21 17:20	40.9	↓-0.8
4/21 17:30	40.1	↓-0.8
4/21 17:40	39.5	↓-0.6
4/21 17:50	39.0	↓-0.5
4/21 18:00	38.6	↓-0.4
4/21 18:10	38.3	↓-0.3
4/21 18:20	38.1	↓-0.2
4/21 18:30	38.0	↓-0.1	干潮
4/21 18:40	38.0	0
4/21 18:50	38.2	↑0.2
4/21 19:00	38.4	↑0.2
4/21 19:10	38.8	↑0.4
4/21 19:20	39.3	↑0.5
4/21 19:30	39.9	↑0.6
4/21 19:40	40.6	↑0.7
4/21 19:50	41.4	↑0.8
4/21 20:00	42.2	↑0.8
4/21 20:10	43.2	↑1.0
4/21 20:20	44.2	↑1.0
4/21 20:30	45.3	↑1.1
4/21 20:40	46.4	↑1.1
4/21 20:50	47.6	↑1.2
4/21 21:00	48.9	↑1.3
4/21 21:10	50.2	↑1.3
4/21 21:20	51.5	↑1.3
4/21 21:30	52.8	↑1.3
4/21 21:40	54.1	↑1.3
4/21 21:50	55.4	↑1.3
4/21 22:00	56.7	↑1.3
4/21 22:10	58.0	↑1.3
4/21 22:20	59.3	↑1.3
4/21 22:30	60.5	↑1.2
4/21 22:40	61.6	↑1.1
4/21 22:50	62.7	↑1.1
4/21 23:00	63.8	↑1.1
4/21 23:10	64.7	↑0.9
4/21 23:20	65.6	↑0.9
4/21 23:30	66.4	↑0.8
4/21 23:40	67.1	↑0.7
4/21 23:50	67.7	↑0.6