20 (月)	19:28	02:52	-	-
	98cm	34cm	-	-
小潮 出 05:42 入 16:30 出 12:46 入 22:55

コイセボイ（北海道）2053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	50.2	↓-1.8
10/20 00:10	48.4	↓-1.8
10/20 00:20	46.7	↓-1.7
10/20 00:30	45.0	↓-1.7
10/20 00:40	43.5	↓-1.5
10/20 00:50	42.1	↓-1.4
10/20 01:00	40.8	↓-1.3
10/20 01:10	39.6	↓-1.2
10/20 01:20	38.5	↓-1.1
10/20 01:30	37.5	↓-1.0
10/20 01:40	36.7	↓-0.8
10/20 01:50	36.0	↓-0.7
10/20 02:00	35.3	↓-0.7
10/20 02:10	34.8	↓-0.5
10/20 02:20	34.4	↓-0.4
10/20 02:30	34.2	↓-0.2
10/20 02:40	34.0	↓-0.2
10/20 02:50	33.9	↓-0.1	干潮
10/20 03:00	34.0	↑0.1
10/20 03:10	34.1	↑0.1
10/20 03:20	34.4	↑0.3
10/20 03:30	34.7	↑0.3
10/20 03:40	35.1	↑0.4
10/20 03:50	35.6	↑0.5
10/20 04:00	36.2	↑0.6
10/20 04:10	36.8	↑0.6
10/20 04:20	37.5	↑0.7
10/20 04:30	38.2	↑0.7
10/20 04:40	39.0	↑0.8
10/20 04:50	39.8	↑0.8
10/20 05:00	40.7	↑0.9
10/20 05:10	41.6	↑0.9
10/20 05:20	42.5	↑0.9
10/20 05:30	43.4	↑0.9
10/20 05:40	44.3	↑0.9
10/20 05:50	45.3	↑1.0
10/20 06:00	46.2	↑0.9
10/20 06:10	47.1	↑0.9
10/20 06:20	48.0	↑0.9
10/20 06:30	48.8	↑0.8
10/20 06:40	49.7	↑0.9
10/20 06:50	50.5	↑0.8
10/20 07:00	51.3	↑0.8
10/20 07:10	52.0	↑0.7
10/20 07:20	52.7	↑0.7
10/20 07:30	53.3	↑0.6
10/20 07:40	54.0	↑0.7
10/20 07:50	54.5	↑0.5
10/20 08:00	55.1	↑0.6
10/20 08:10	55.5	↑0.4
10/20 08:20	56.0	↑0.5
10/20 08:30	56.4	↑0.4
10/20 08:40	56.7	↑0.3
10/20 08:50	57.0	↑0.3
10/20 09:00	57.3	↑0.3
10/20 09:10	57.5	↑0.2
10/20 09:20	57.7	↑0.2
10/20 09:30	57.9	↑0.2
10/20 09:40	58.1	↑0.2
10/20 09:50	58.2	↑0.1
10/20 10:00	58.3	↑0.1
10/20 10:10	58.4	↑0.1
10/20 10:20	58.5	↑0.1
10/20 10:30	58.6	↑0.1
10/20 10:40	58.6	0
10/20 10:50	58.7	↑0.1
10/20 11:00	58.8	↑0.1
10/20 11:10	59.0	↑0.2
10/20 11:20	59.1	↑0.1
10/20 11:30	59.2	↑0.1
10/20 11:40	59.4	↑0.2
10/20 11:50	59.7	↑0.3
10/20 12:00	59.9	↑0.2
10/20 12:10	60.2	↑0.3
10/20 12:20	60.6	↑0.4
10/20 12:30	60.9	↑0.3
10/20 12:40	61.4	↑0.5
10/20 12:50	61.9	↑0.5
10/20 13:00	62.4	↑0.5
10/20 13:10	63.0	↑0.6
10/20 13:20	63.6	↑0.6
10/20 13:30	64.3	↑0.7
10/20 13:40	65.1	↑0.8
10/20 13:50	65.9	↑0.8
10/20 14:00	66.8	↑0.9
10/20 14:10	67.7	↑0.9
10/20 14:20	68.7	↑1.0
10/20 14:30	69.7	↑1.0
10/20 14:40	70.7	↑1.0
10/20 14:50	71.8	↑1.1
10/20 15:00	73.0	↑1.2
10/20 15:10	74.1	↑1.1
10/20 15:20	75.3	↑1.2
10/20 15:30	76.5	↑1.2
10/20 15:40	77.8	↑1.3
10/20 15:50	79.0	↑1.2
10/20 16:00	80.3	↑1.3
10/20 16:10	81.5	↑1.2
10/20 16:20	82.8	↑1.3
10/20 16:30	84.0	↑1.2
10/20 16:40	85.2	↑1.2
10/20 16:50	86.4	↑1.2
10/20 17:00	87.6	↑1.2
10/20 17:10	88.7	↑1.1
10/20 17:20	89.8	↑1.1
10/20 17:30	90.8	↑1.0
10/20 17:40	91.8	↑1.0
10/20 17:50	92.7	↑0.9
10/20 18:00	93.6	↑0.9
10/20 18:10	94.3	↑0.7
10/20 18:20	95.0	↑0.7
10/20 18:30	95.6	↑0.6
10/20 18:40	96.1	↑0.5
10/20 18:50	96.6	↑0.5
10/20 19:00	96.9	↑0.3
10/20 19:10	97.1	↑0.2
10/20 19:20	97.2	↑0.1	満潮
10/20 19:30	97.2	0
10/20 19:40	97.2	0
10/20 19:50	97.0	↓-0.2
10/20 20:00	96.7	↓-0.3
10/20 20:10	96.3	↓-0.4
10/20 20:20	95.7	↓-0.6
10/20 20:30	95.1	↓-0.6
10/20 20:40	94.4	↓-0.7
10/20 20:50	93.6	↓-0.8
10/20 21:00	92.6	↓-1.0
10/20 21:10	91.6	↓-1.0
10/20 21:20	90.5	↓-1.1
10/20 21:30	89.3	↓-1.2
10/20 21:40	88.0	↓-1.3
10/20 21:50	86.6	↓-1.4
10/20 22:00	85.1	↓-1.5
10/20 22:10	83.6	↓-1.5
10/20 22:20	82.0	↓-1.6
10/20 22:30	80.4	↓-1.6
10/20 22:40	78.7	↓-1.7
10/20 22:50	76.9	↓-1.8
10/20 23:00	75.2	↓-1.7
10/20 23:10	73.4	↓-1.8
10/20 23:20	71.6	↓-1.8
10/20 23:30	69.7	↓-1.9	最大潮位差
10/20 23:40	67.9	↓-1.8
10/20 23:50	66.0	↓-1.9	最大潮位差