21 (日)	20:07	03:33	-	-
	100cm	39cm	-	-
長潮 出 05:07 入 17:21 出 13:29 入 23:18

コイセボイ（北海道）2053年09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
9/21 00:00	59.7	↓-1.9	最大潮位差
9/21 00:10	57.8	↓-1.9	最大潮位差
9/21 00:20	56.0	↓-1.8
9/21 00:30	54.3	↓-1.7
9/21 00:40	52.6	↓-1.7
9/21 00:50	51.0	↓-1.6
9/21 01:00	49.5	↓-1.5
9/21 01:10	48.1	↓-1.4
9/21 01:20	46.7	↓-1.4
9/21 01:30	45.5	↓-1.2
9/21 01:40	44.3	↓-1.2
9/21 01:50	43.3	↓-1.0
9/21 02:00	42.3	↓-1.0
9/21 02:10	41.5	↓-0.8
9/21 02:20	40.8	↓-0.7
9/21 02:30	40.1	↓-0.7
9/21 02:40	39.6	↓-0.5
9/21 02:50	39.2	↓-0.4
9/21 03:00	38.8	↓-0.4
9/21 03:10	38.6	↓-0.2
9/21 03:20	38.4	↓-0.2
9/21 03:30	38.4	0	干潮
9/21 03:40	38.4	0
9/21 03:50	38.5	↑0.1
9/21 04:00	38.7	↑0.2
9/21 04:10	39.0	↑0.3
9/21 04:20	39.3	↑0.3
9/21 04:30	39.7	↑0.4
9/21 04:40	40.1	↑0.4
9/21 04:50	40.6	↑0.5
9/21 05:00	41.2	↑0.6
9/21 05:10	41.7	↑0.5
9/21 05:20	42.4	↑0.7
9/21 05:30	43.0	↑0.6
9/21 05:40	43.7	↑0.7
9/21 05:50	44.3	↑0.6
9/21 06:00	45.0	↑0.7
9/21 06:10	45.7	↑0.7
9/21 06:20	46.4	↑0.7
9/21 06:30	47.1	↑0.7
9/21 06:40	47.8	↑0.7
9/21 06:50	48.4	↑0.6
9/21 07:00	49.1	↑0.7
9/21 07:10	49.7	↑0.6
9/21 07:20	50.3	↑0.6
9/21 07:30	50.8	↑0.5
9/21 07:40	51.4	↑0.6
9/21 07:50	51.9	↑0.5
9/21 08:00	52.4	↑0.5
9/21 08:10	52.8	↑0.4
9/21 08:20	53.2	↑0.4
9/21 08:30	53.6	↑0.4
9/21 08:40	53.9	↑0.3
9/21 08:50	54.2	↑0.3
9/21 09:00	54.5	↑0.3
9/21 09:10	54.7	↑0.2
9/21 09:20	54.9	↑0.2
9/21 09:30	55.1	↑0.2
9/21 09:40	55.3	↑0.2
9/21 09:50	55.4	↑0.1
9/21 10:00	55.5	↑0.1
9/21 10:10	55.6	↑0.1
9/21 10:20	55.7	↑0.1
9/21 10:30	55.8	↑0.1
9/21 10:40	55.9	↑0.1
9/21 10:50	56.0	↑0.1
9/21 11:00	56.1	↑0.1
9/21 11:10	56.2	↑0.1
9/21 11:20	56.4	↑0.2
9/21 11:30	56.5	↑0.1
9/21 11:40	56.7	↑0.2
9/21 11:50	56.9	↑0.2
9/21 12:00	57.1	↑0.2
9/21 12:10	57.4	↑0.3
9/21 12:20	57.7	↑0.3
9/21 12:30	58.0	↑0.3
9/21 12:40	58.4	↑0.4
9/21 12:50	58.8	↑0.4
9/21 13:00	59.3	↑0.5
9/21 13:10	59.9	↑0.6
9/21 13:20	60.5	↑0.6
9/21 13:30	61.1	↑0.6
9/21 13:40	61.8	↑0.7
9/21 13:50	62.6	↑0.8
9/21 14:00	63.4	↑0.8
9/21 14:10	64.3	↑0.9
9/21 14:20	65.2	↑0.9
9/21 14:30	66.2	↑1.0
9/21 14:40	67.2	↑1.0
9/21 14:50	68.3	↑1.1
9/21 15:00	69.4	↑1.1
9/21 15:10	70.6	↑1.2
9/21 15:20	71.8	↑1.2
9/21 15:30	73.0	↑1.2
9/21 15:40	74.3	↑1.3
9/21 15:50	75.6	↑1.3
9/21 16:00	76.9	↑1.3
9/21 16:10	78.2	↑1.3
9/21 16:20	79.6	↑1.4
9/21 16:30	80.9	↑1.3
9/21 16:40	82.3	↑1.4
9/21 16:50	83.6	↑1.3
9/21 17:00	84.9	↑1.3
9/21 17:10	86.2	↑1.3
9/21 17:20	87.5	↑1.3
9/21 17:30	88.8	↑1.3
9/21 17:40	90.0	↑1.2
9/21 17:50	91.1	↑1.1
9/21 18:00	92.2	↑1.1
9/21 18:10	93.3	↑1.1
9/21 18:20	94.3	↑1.0
9/21 18:30	95.2	↑0.9
9/21 18:40	96.1	↑0.9
9/21 18:50	96.8	↑0.7
9/21 19:00	97.5	↑0.7
9/21 19:10	98.1	↑0.6
9/21 19:20	98.7	↑0.6
9/21 19:30	99.1	↑0.4
9/21 19:40	99.4	↑0.3
9/21 19:50	99.6	↑0.2
9/21 20:00	99.7	↑0.1	満潮
9/21 20:10	99.7	0
9/21 20:20	99.6	↓-0.1
9/21 20:30	99.4	↓-0.2
9/21 20:40	99.1	↓-0.3
9/21 20:50	98.7	↓-0.4
9/21 21:00	98.2	↓-0.5
9/21 21:10	97.6	↓-0.6
9/21 21:20	96.8	↓-0.8
9/21 21:30	96.0	↓-0.8
9/21 21:40	95.1	↓-0.9
9/21 21:50	94.0	↓-1.1
9/21 22:00	92.9	↓-1.1
9/21 22:10	91.7	↓-1.2
9/21 22:20	90.4	↓-1.3
9/21 22:30	89.1	↓-1.3
9/21 22:40	87.6	↓-1.5
9/21 22:50	86.1	↓-1.5
9/21 23:00	84.6	↓-1.5
9/21 23:10	83.0	↓-1.6
9/21 23:20	81.3	↓-1.7
9/21 23:30	79.6	↓-1.7
9/21 23:40	77.8	↓-1.8
9/21 23:50	76.0	↓-1.8