20 (木)	07:26	01:17	18:18	10:53
	62cm	31cm	109cm	56cm
小潮 出 05:06 入 17:23 出 21:23 入 12:11

コイセボイ（北海道）2057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	35.1	↓-1.3
9/20 00:10	34.0	↓-1.1
9/20 00:20	33.0	↓-1.0
9/20 00:30	32.2	↓-0.8
9/20 00:40	31.6	↓-0.6
9/20 00:50	31.1	↓-0.5
9/20 01:00	30.8	↓-0.3
9/20 01:10	30.6	↓-0.2	干潮
9/20 01:20	30.6	0
9/20 01:30	30.7	↑0.1
9/20 01:40	31.0	↑0.3
9/20 01:50	31.4	↑0.4
9/20 02:00	32.0	↑0.6
9/20 02:10	32.6	↑0.6
9/20 02:20	33.4	↑0.8
9/20 02:30	34.3	↑0.9
9/20 02:40	35.2	↑0.9
9/20 02:50	36.3	↑1.1
9/20 03:00	37.4	↑1.1
9/20 03:10	38.6	↑1.2
9/20 03:20	39.8	↑1.2
9/20 03:30	41.1	↑1.3
9/20 03:40	42.4	↑1.3
9/20 03:50	43.8	↑1.4
9/20 04:00	45.1	↑1.3
9/20 04:10	46.4	↑1.3
9/20 04:20	47.8	↑1.4
9/20 04:30	49.1	↑1.3
9/20 04:40	50.4	↑1.3
9/20 04:50	51.6	↑1.2
9/20 05:00	52.8	↑1.2
9/20 05:10	53.9	↑1.1
9/20 05:20	55.0	↑1.1
9/20 05:30	56.0	↑1.0
9/20 05:40	57.0	↑1.0
9/20 05:50	57.8	↑0.8
9/20 06:00	58.6	↑0.8
9/20 06:10	59.3	↑0.7
9/20 06:20	59.9	↑0.6
9/20 06:30	60.4	↑0.5
9/20 06:40	60.8	↑0.4
9/20 06:50	61.1	↑0.3
9/20 07:00	61.4	↑0.3
9/20 07:10	61.5	↑0.1
9/20 07:20	61.6	↑0.1	満潮
9/20 07:30	61.6	0
9/20 07:40	61.5	↓-0.1
9/20 07:50	61.4	↓-0.1
9/20 08:00	61.2	↓-0.2
9/20 08:10	60.9	↓-0.3
9/20 08:20	60.6	↓-0.3
9/20 08:30	60.2	↓-0.4
9/20 08:40	59.8	↓-0.4
9/20 08:50	59.4	↓-0.4
9/20 09:00	59.0	↓-0.4
9/20 09:10	58.5	↓-0.5
9/20 09:20	58.1	↓-0.4
9/20 09:30	57.7	↓-0.4
9/20 09:40	57.2	↓-0.5
9/20 09:50	56.8	↓-0.4
9/20 10:00	56.5	↓-0.3
9/20 10:10	56.2	↓-0.3
9/20 10:20	55.9	↓-0.3
9/20 10:30	55.7	↓-0.2
9/20 10:40	55.6	↓-0.1
9/20 10:50	55.5	↓-0.1	干潮
9/20 11:00	55.5	0
9/20 11:10	55.7	↑0.2
9/20 11:20	55.9	↑0.2
9/20 11:30	56.2	↑0.3
9/20 11:40	56.6	↑0.4
9/20 11:50	57.1	↑0.5
9/20 12:00	57.7	↑0.6
9/20 12:10	58.4	↑0.7
9/20 12:20	59.2	↑0.8
9/20 12:30	60.1	↑0.9
9/20 12:40	61.2	↑1.1
9/20 12:50	62.3	↑1.1
9/20 13:00	63.5	↑1.2
9/20 13:10	64.9	↑1.4
9/20 13:20	66.3	↑1.4
9/20 13:30	67.8	↑1.5
9/20 13:40	69.4	↑1.6
9/20 13:50	71.1	↑1.7
9/20 14:00	72.8	↑1.7
9/20 14:10	74.6	↑1.8
9/20 14:20	76.4	↑1.8
9/20 14:30	78.3	↑1.9
9/20 14:40	80.2	↑1.9
9/20 14:50	82.1	↑1.9
9/20 15:00	84.0	↑1.9
9/20 15:10	86.0	↑2.0
9/20 15:20	87.9	↑1.9
9/20 15:30	89.8	↑1.9
9/20 15:40	91.6	↑1.8
9/20 15:50	93.4	↑1.8
9/20 16:00	95.2	↑1.8
9/20 16:10	96.8	↑1.6
9/20 16:20	98.5	↑1.7
9/20 16:30	100.0	↑1.5
9/20 16:40	101.4	↑1.4
9/20 16:50	102.7	↑1.3
9/20 17:00	103.9	↑1.2
9/20 17:10	105.0	↑1.1
9/20 17:20	105.9	↑0.9
9/20 17:30	106.7	↑0.8
9/20 17:40	107.4	↑0.7
9/20 17:50	107.9	↑0.5
9/20 18:00	108.2	↑0.3
9/20 18:10	108.4	↑0.2	満潮
9/20 18:20	108.5	↑0.1
9/20 18:30	108.3	↓-0.2
9/20 18:40	108.0	↓-0.3
9/20 18:50	107.6	↓-0.4
9/20 19:00	107.0	↓-0.6
9/20 19:10	106.2	↓-0.8
9/20 19:20	105.3	↓-0.9
9/20 19:30	104.2	↓-1.1
9/20 19:40	103.0	↓-1.2
9/20 19:50	101.6	↓-1.4
9/20 20:00	100.1	↓-1.5
9/20 20:10	98.5	↓-1.6
9/20 20:20	96.7	↓-1.8
9/20 20:30	94.9	↓-1.8
9/20 20:40	92.9	↓-2.0
9/20 20:50	90.8	↓-2.1
9/20 21:00	88.7	↓-2.1
9/20 21:10	86.4	↓-2.3
9/20 21:20	84.1	↓-2.3
9/20 21:30	81.8	↓-2.3
9/20 21:40	79.4	↓-2.4
9/20 21:50	77.0	↓-2.4
9/20 22:00	74.5	↓-2.5	最大潮位差
9/20 22:10	72.0	↓-2.5	最大潮位差
9/20 22:20	69.6	↓-2.4
9/20 22:30	67.1	↓-2.5	最大潮位差
9/20 22:40	64.7	↓-2.4
9/20 22:50	62.3	↓-2.4
9/20 23:00	60.0	↓-2.3
9/20 23:10	57.7	↓-2.3
9/20 23:20	55.5	↓-2.2
9/20 23:30	53.3	↓-2.2
9/20 23:40	51.3	↓-2.0
9/20 23:50	49.3	↓-2.0