20 (水)	20:39	03:54	-	-
	91cm	39cm	-	-
小潮 出 05:42 入 16:30 出 23:59 入 13:07

コイセボイ（北海道）2049年10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
10/20 00:00	62.3	↓-1.9	最大潮位差
10/20 00:10	60.5	↓-1.8
10/20 00:20	58.8	↓-1.7
10/20 00:30	57.0	↓-1.8
10/20 00:40	55.4	↓-1.6
10/20 00:50	53.7	↓-1.7
10/20 01:00	52.2	↓-1.5
10/20 01:10	50.7	↓-1.5
10/20 01:20	49.3	↓-1.4
10/20 01:30	47.9	↓-1.4
10/20 01:40	46.7	↓-1.2
10/20 01:50	45.5	↓-1.2
10/20 02:00	44.4	↓-1.1
10/20 02:10	43.4	↓-1.0
10/20 02:20	42.5	↓-0.9
10/20 02:30	41.7	↓-0.8
10/20 02:40	41.0	↓-0.7
10/20 02:50	40.3	↓-0.7
10/20 03:00	39.8	↓-0.5
10/20 03:10	39.4	↓-0.4
10/20 03:20	39.0	↓-0.4
10/20 03:30	38.8	↓-0.2
10/20 03:40	38.6	↓-0.2
10/20 03:50	38.6	0	干潮
10/20 04:00	38.6	0
10/20 04:10	38.7	↑0.1
10/20 04:20	38.9	↑0.2
10/20 04:30	39.1	↑0.2
10/20 04:40	39.4	↑0.3
10/20 04:50	39.8	↑0.4
10/20 05:00	40.3	↑0.5
10/20 05:10	40.8	↑0.5
10/20 05:20	41.3	↑0.5
10/20 05:30	41.9	↑0.6
10/20 05:40	42.6	↑0.7
10/20 05:50	43.2	↑0.6
10/20 06:00	43.9	↑0.7
10/20 06:10	44.7	↑0.8
10/20 06:20	45.4	↑0.7
10/20 06:30	46.2	↑0.8
10/20 06:40	47.0	↑0.8
10/20 06:50	47.8	↑0.8
10/20 07:00	48.5	↑0.7
10/20 07:10	49.3	↑0.8
10/20 07:20	50.1	↑0.8
10/20 07:30	50.8	↑0.7
10/20 07:40	51.5	↑0.7
10/20 07:50	52.3	↑0.8
10/20 08:00	52.9	↑0.6
10/20 08:10	53.6	↑0.7
10/20 08:20	54.2	↑0.6
10/20 08:30	54.8	↑0.6
10/20 08:40	55.4	↑0.6
10/20 08:50	55.9	↑0.5
10/20 09:00	56.4	↑0.5
10/20 09:10	56.9	↑0.5
10/20 09:20	57.3	↑0.4
10/20 09:30	57.7	↑0.4
10/20 09:40	58.0	↑0.3
10/20 09:50	58.3	↑0.3
10/20 10:00	58.6	↑0.3
10/20 10:10	58.9	↑0.3
10/20 10:20	59.1	↑0.2
10/20 10:30	59.3	↑0.2
10/20 10:40	59.5	↑0.2
10/20 10:50	59.6	↑0.1
10/20 11:00	59.7	↑0.1
10/20 11:10	59.9	↑0.2
10/20 11:20	60.0	↑0.1
10/20 11:30	60.1	↑0.1
10/20 11:40	60.1	0
10/20 11:50	60.2	↑0.1
10/20 12:00	60.3	↑0.1
10/20 12:10	60.4	↑0.1
10/20 12:20	60.5	↑0.1
10/20 12:30	60.6	↑0.1
10/20 12:40	60.8	↑0.2
10/20 12:50	60.9	↑0.1
10/20 13:00	61.1	↑0.2
10/20 13:10	61.3	↑0.2
10/20 13:20	61.5	↑0.2
10/20 13:30	61.8	↑0.3
10/20 13:40	62.1	↑0.3
10/20 13:50	62.4	↑0.3
10/20 14:00	62.8	↑0.4
10/20 14:10	63.2	↑0.4
10/20 14:20	63.7	↑0.5
10/20 14:30	64.2	↑0.5
10/20 14:40	64.7	↑0.5
10/20 14:50	65.3	↑0.6
10/20 15:00	65.9	↑0.6
10/20 15:10	66.6	↑0.7
10/20 15:20	67.3	↑0.7
10/20 15:30	68.0	↑0.7
10/20 15:40	68.8	↑0.8
10/20 15:50	69.6	↑0.8
10/20 16:00	70.5	↑0.9
10/20 16:10	71.4	↑0.9
10/20 16:20	72.3	↑0.9
10/20 16:30	73.2	↑0.9
10/20 16:40	74.2	↑1.0
10/20 16:50	75.1	↑0.9
10/20 17:00	76.1	↑1.0
10/20 17:10	77.1	↑1.0
10/20 17:20	78.1	↑1.0
10/20 17:30	79.1	↑1.0
10/20 17:40	80.1	↑1.0
10/20 17:50	81.1	↑1.0
10/20 18:00	82.0	↑0.9
10/20 18:10	82.9	↑0.9
10/20 18:20	83.8	↑0.9
10/20 18:30	84.7	↑0.9
10/20 18:40	85.5	↑0.8
10/20 18:50	86.3	↑0.8
10/20 19:00	87.1	↑0.8
10/20 19:10	87.8	↑0.7
10/20 19:20	88.4	↑0.6
10/20 19:30	89.0	↑0.6
10/20 19:40	89.5	↑0.5
10/20 19:50	89.9	↑0.4
10/20 20:00	90.2	↑0.3
10/20 20:10	90.5	↑0.3
10/20 20:20	90.7	↑0.2
10/20 20:30	90.8	↑0.1	満潮
10/20 20:40	90.8	0
10/20 20:50	90.8	0
10/20 21:00	90.6	↓-0.2
10/20 21:10	90.4	↓-0.2
10/20 21:20	90.1	↓-0.3
10/20 21:30	89.7	↓-0.4
10/20 21:40	89.2	↓-0.5
10/20 21:50	88.6	↓-0.6
10/20 22:00	87.9	↓-0.7
10/20 22:10	87.1	↓-0.8
10/20 22:20	86.3	↓-0.8
10/20 22:30	85.4	↓-0.9
10/20 22:40	84.4	↓-1.0
10/20 22:50	83.3	↓-1.1
10/20 23:00	82.2	↓-1.1
10/20 23:10	81.0	↓-1.2
10/20 23:20	79.7	↓-1.3
10/20 23:30	78.4	↓-1.3
10/20 23:40	77.0	↓-1.4
10/20 23:50	75.6	↓-1.4