21 (金)	19:06	02:34	-	-
	108cm	34cm	-	-
小潮 出 05:07 入 17:21 出 22:07 入 13:08

コイセボイ（北海道）2057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	47.4	↓-1.9
9/21 00:10	45.6	↓-1.8
9/21 00:20	43.9	↓-1.7
9/21 00:30	42.4	↓-1.5
9/21 00:40	40.9	↓-1.5
9/21 00:50	39.6	↓-1.3
9/21 01:00	38.4	↓-1.2
9/21 01:10	37.3	↓-1.1
9/21 01:20	36.4	↓-0.9
9/21 01:30	35.6	↓-0.8
9/21 01:40	34.9	↓-0.7
9/21 01:50	34.3	↓-0.6
9/21 02:00	33.9	↓-0.4
9/21 02:10	33.5	↓-0.4
9/21 02:20	33.3	↓-0.2
9/21 02:30	33.3	0	干潮
9/21 02:40	33.3	0
9/21 02:50	33.4	↑0.1
9/21 03:00	33.6	↑0.2
9/21 03:10	33.9	↑0.3
9/21 03:20	34.3	↑0.4
9/21 03:30	34.8	↑0.5
9/21 03:40	35.4	↑0.6
9/21 03:50	36.0	↑0.6
9/21 04:00	36.7	↑0.7
9/21 04:10	37.4	↑0.7
9/21 04:20	38.2	↑0.8
9/21 04:30	39.0	↑0.8
9/21 04:40	39.8	↑0.8
9/21 04:50	40.7	↑0.9
9/21 05:00	41.5	↑0.8
9/21 05:10	42.4	↑0.9
9/21 05:20	43.3	↑0.9
9/21 05:30	44.1	↑0.8
9/21 05:40	45.0	↑0.9
9/21 05:50	45.8	↑0.8
9/21 06:00	46.6	↑0.8
9/21 06:10	47.3	↑0.7
9/21 06:20	48.1	↑0.8
9/21 06:30	48.8	↑0.7
9/21 06:40	49.4	↑0.6
9/21 06:50	50.0	↑0.6
9/21 07:00	50.6	↑0.6
9/21 07:10	51.1	↑0.5
9/21 07:20	51.6	↑0.5
9/21 07:30	52.0	↑0.4
9/21 07:40	52.4	↑0.4
9/21 07:50	52.7	↑0.3
9/21 08:00	53.0	↑0.3
9/21 08:10	53.2	↑0.2
9/21 08:20	53.4	↑0.2
9/21 08:30	53.6	↑0.2
9/21 08:40	53.7	↑0.1
9/21 08:50	53.8	↑0.1
9/21 09:00	53.9	↑0.1
9/21 09:10	53.9	0
9/21 09:20	54.0	↑0.1
9/21 09:30	54.0	0
9/21 09:40	54.0	0
9/21 09:50	54.0	0
9/21 10:00	54.1	↑0.1
9/21 10:10	54.1	0
9/21 10:20	54.2	↑0.1
9/21 10:30	54.3	↑0.1
9/21 10:40	54.4	↑0.1
9/21 10:50	54.5	↑0.1
9/21 11:00	54.7	↑0.2
9/21 11:10	55.0	↑0.3
9/21 11:20	55.3	↑0.3
9/21 11:30	55.6	↑0.3
9/21 11:40	56.1	↑0.5
9/21 11:50	56.5	↑0.4
9/21 12:00	57.1	↑0.6
9/21 12:10	57.7	↑0.6
9/21 12:20	58.4	↑0.7
9/21 12:30	59.1	↑0.7
9/21 12:40	60.0	↑0.9
9/21 12:50	60.9	↑0.9
9/21 13:00	61.9	↑1.0
9/21 13:10	62.9	↑1.0
9/21 13:20	64.0	↑1.1
9/21 13:30	65.2	↑1.2
9/21 13:40	66.5	↑1.3
9/21 13:50	67.8	↑1.3
9/21 14:00	69.2	↑1.4
9/21 14:10	70.7	↑1.5
9/21 14:20	72.2	↑1.5
9/21 14:30	73.7	↑1.5
9/21 14:40	75.3	↑1.6
9/21 14:50	77.0	↑1.7
9/21 15:00	78.6	↑1.6
9/21 15:10	80.3	↑1.7
9/21 15:20	82.0	↑1.7
9/21 15:30	83.7	↑1.7
9/21 15:40	85.4	↑1.7
9/21 15:50	87.1	↑1.7
9/21 16:00	88.8	↑1.7
9/21 16:10	90.4	↑1.6
9/21 16:20	92.0	↑1.6
9/21 16:30	93.6	↑1.6
9/21 16:40	95.1	↑1.5
9/21 16:50	96.6	↑1.5
9/21 17:00	98.0	↑1.4
9/21 17:10	99.3	↑1.3
9/21 17:20	100.6	↑1.3
9/21 17:30	101.7	↑1.1
9/21 17:40	102.8	↑1.1
9/21 17:50	103.8	↑1.0
9/21 18:00	104.6	↑0.8
9/21 18:10	105.4	↑0.8
9/21 18:20	106.0	↑0.6
9/21 18:30	106.5	↑0.5
9/21 18:40	106.9	↑0.4
9/21 18:50	107.2	↑0.3
9/21 19:00	107.3	↑0.1	満潮
9/21 19:10	107.3	0
9/21 19:20	107.2	↓-0.1
9/21 19:30	106.9	↓-0.3
9/21 19:40	106.5	↓-0.4
9/21 19:50	105.9	↓-0.6
9/21 20:00	105.3	↓-0.6
9/21 20:10	104.5	↓-0.8
9/21 20:20	103.6	↓-0.9
9/21 20:30	102.5	↓-1.1
9/21 20:40	101.4	↓-1.1
9/21 20:50	100.1	↓-1.3
9/21 21:00	98.7	↓-1.4
9/21 21:10	97.2	↓-1.5
9/21 21:20	95.6	↓-1.6
9/21 21:30	93.9	↓-1.7
9/21 21:40	92.2	↓-1.7
9/21 21:50	90.3	↓-1.9
9/21 22:00	88.4	↓-1.9
9/21 22:10	86.4	↓-2.0
9/21 22:20	84.4	↓-2.0
9/21 22:30	82.3	↓-2.1
9/21 22:40	80.2	↓-2.1
9/21 22:50	78.1	↓-2.1
9/21 23:00	75.9	↓-2.2	最大潮位差
9/21 23:10	73.8	↓-2.1
9/21 23:20	71.6	↓-2.2	最大潮位差
9/21 23:30	69.4	↓-2.2	最大潮位差
9/21 23:40	67.3	↓-2.1
9/21 23:50	65.1	↓-2.2	最大潮位差