20 (月)	01:28	08:58	15:01	19:40
	108cm	30cm	70cm	51cm
大潮 出 05:06 入 17:24 出 17:29 入 03:42

コイセボイ（北海道）2021年09月20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
9/20 00:00	101.3	↑1.4
9/20 00:10	102.5	↑1.2
9/20 00:20	103.6	↑1.1
9/20 00:30	104.6	↑1.0
9/20 00:40	105.4	↑0.8
9/20 00:50	106.1	↑0.7
9/20 01:00	106.7	↑0.6
9/20 01:10	107.1	↑0.4
9/20 01:20	107.3	↑0.2	満潮
9/20 01:30	107.3	0
9/20 01:40	107.2	↓-0.1
9/20 01:50	106.9	↓-0.3
9/20 02:00	106.4	↓-0.5
9/20 02:10	105.7	↓-0.7
9/20 02:20	104.8	↓-0.9
9/20 02:30	103.8	↓-1.0
9/20 02:40	102.6	↓-1.2
9/20 02:50	101.2	↓-1.4
9/20 03:00	99.7	↓-1.5
9/20 03:10	98.0	↓-1.7
9/20 03:20	96.2	↓-1.8
9/20 03:30	94.2	↓-2.0
9/20 03:40	92.1	↓-2.1
9/20 03:50	89.8	↓-2.3
9/20 04:00	87.5	↓-2.3
9/20 04:10	85.1	↓-2.4
9/20 04:20	82.5	↓-2.6
9/20 04:30	79.9	↓-2.6
9/20 04:40	77.3	↓-2.6
9/20 04:50	74.5	↓-2.8	最大潮位差
9/20 05:00	71.8	↓-2.7
9/20 05:10	69.0	↓-2.8	最大潮位差
9/20 05:20	66.3	↓-2.7
9/20 05:30	63.5	↓-2.8	最大潮位差
9/20 05:40	60.8	↓-2.7
9/20 05:50	58.1	↓-2.7
9/20 06:00	55.5	↓-2.6
9/20 06:10	52.9	↓-2.6
9/20 06:20	50.4	↓-2.5
9/20 06:30	48.0	↓-2.4
9/20 06:40	45.7	↓-2.3
9/20 06:50	43.6	↓-2.1
9/20 07:00	41.5	↓-2.1
9/20 07:10	39.6	↓-1.9
9/20 07:20	37.9	↓-1.7
9/20 07:30	36.3	↓-1.6
9/20 07:40	34.8	↓-1.5
9/20 07:50	33.5	↓-1.3
9/20 08:00	32.4	↓-1.1
9/20 08:10	31.5	↓-0.9
9/20 08:20	30.7	↓-0.8
9/20 08:30	30.2	↓-0.5
9/20 08:40	29.8	↓-0.4
9/20 08:50	29.6	↓-0.2	干潮
9/20 09:00	29.5	↓-0.1
9/20 09:10	29.7	↑0.2
9/20 09:20	30.0	↑0.3
9/20 09:30	30.4	↑0.4
9/20 09:40	31.1	↑0.7
9/20 09:50	31.8	↑0.7
9/20 10:00	32.8	↑1.0
9/20 10:10	33.8	↑1.0
9/20 10:20	35.0	↑1.2
9/20 10:30	36.3	↑1.3
9/20 10:40	37.7	↑1.4
9/20 10:50	39.1	↑1.4
9/20 11:00	40.7	↑1.6
9/20 11:10	42.3	↑1.6
9/20 11:20	43.9	↑1.6
9/20 11:30	45.6	↑1.7
9/20 11:40	47.4	↑1.8
9/20 11:50	49.1	↑1.7
9/20 12:00	50.8	↑1.7
9/20 12:10	52.5	↑1.7
9/20 12:20	54.2	↑1.7
9/20 12:30	55.9	↑1.7
9/20 12:40	57.5	↑1.6
9/20 12:50	59.0	↑1.5
9/20 13:00	60.4	↑1.4
9/20 13:10	61.8	↑1.4
9/20 13:20	63.1	↑1.3
9/20 13:30	64.3	↑1.2
9/20 13:40	65.3	↑1.0
9/20 13:50	66.3	↑1.0
9/20 14:00	67.1	↑0.8
9/20 14:10	67.8	↑0.7
9/20 14:20	68.4	↑0.6
9/20 14:30	68.9	↑0.5
9/20 14:40	69.2	↑0.3
9/20 14:50	69.4	↑0.2
9/20 15:00	69.4	0	満潮
9/20 15:10	69.4	0
9/20 15:20	69.2	↓-0.2
9/20 15:30	68.9	↓-0.3
9/20 15:40	68.5	↓-0.4
9/20 15:50	67.9	↓-0.6
9/20 16:00	67.3	↓-0.6
9/20 16:10	66.6	↓-0.7
9/20 16:20	65.8	↓-0.8
9/20 16:30	64.9	↓-0.9
9/20 16:40	64.0	↓-0.9
9/20 16:50	63.0	↓-1.0
9/20 17:00	62.0	↓-1.0
9/20 17:10	61.0	↓-1.0
9/20 17:20	59.9	↓-1.1
9/20 17:30	58.8	↓-1.1
9/20 17:40	57.8	↓-1.0
9/20 17:50	56.8	↓-1.0
9/20 18:00	55.8	↓-1.0
9/20 18:10	54.8	↓-1.0
9/20 18:20	53.9	↓-0.9
9/20 18:30	53.1	↓-0.8
9/20 18:40	52.4	↓-0.7
9/20 18:50	51.7	↓-0.7
9/20 19:00	51.2	↓-0.5
9/20 19:10	50.8	↓-0.4
9/20 19:20	50.5	↓-0.3
9/20 19:30	50.3	↓-0.2	干潮
9/20 19:40	50.2	↓-0.1	干潮
9/20 19:50	50.3	↑0.1
9/20 20:00	50.5	↑0.2
9/20 20:10	50.9	↑0.4
9/20 20:20	51.4	↑0.5
9/20 20:30	52.1	↑0.7
9/20 20:40	52.9	↑0.8
9/20 20:50	53.9	↑1.0
9/20 21:00	55.0	↑1.1
9/20 21:10	56.2	↑1.2
9/20 21:20	57.6	↑1.4
9/20 21:30	59.1	↑1.5
9/20 21:40	60.7	↑1.6
9/20 21:50	62.5	↑1.8
9/20 22:00	64.3	↑1.8
9/20 22:10	66.2	↑1.9
9/20 22:20	68.3	↑2.1
9/20 22:30	70.4	↑2.1
9/20 22:40	72.5	↑2.1
9/20 22:50	74.7	↑2.2
9/20 23:00	77.0	↑2.3
9/20 23:10	79.2	↑2.2
9/20 23:20	81.5	↑2.3
9/20 23:30	83.7	↑2.2
9/20 23:40	86.0	↑2.3
9/20 23:50	88.1	↑2.1