20 (火)	22:52	06:34	-	-
	108cm	36cm	-	-
若潮 出 03:57 入 18:59 出 15:12 入 -

コイセボイ（北海道）2021年07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
7/20 00:00	90.6	↓-1.4
7/20 00:10	89.1	↓-1.5
7/20 00:20	87.6	↓-1.5
7/20 00:30	85.9	↓-1.7
7/20 00:40	84.2	↓-1.7
7/20 00:50	82.5	↓-1.7
7/20 01:00	80.6	↓-1.9
7/20 01:10	78.7	↓-1.9
7/20 01:20	76.8	↓-1.9
7/20 01:30	74.8	↓-2.0
7/20 01:40	72.9	↓-1.9
7/20 01:50	70.8	↓-2.1	最大潮位差
7/20 02:00	68.8	↓-2.0
7/20 02:10	66.8	↓-2.0
7/20 02:20	64.8	↓-2.0
7/20 02:30	62.8	↓-2.0
7/20 02:40	60.8	↓-2.0
7/20 02:50	58.9	↓-1.9
7/20 03:00	57.0	↓-1.9
7/20 03:10	55.1	↓-1.9
7/20 03:20	53.3	↓-1.8
7/20 03:30	51.5	↓-1.8
7/20 03:40	49.9	↓-1.6
7/20 03:50	48.2	↓-1.7
7/20 04:00	46.7	↓-1.5
7/20 04:10	45.3	↓-1.4
7/20 04:20	43.9	↓-1.4
7/20 04:30	42.6	↓-1.3
7/20 04:40	41.4	↓-1.2
7/20 04:50	40.3	↓-1.1
7/20 05:00	39.4	↓-0.9
7/20 05:10	38.5	↓-0.9
7/20 05:20	37.7	↓-0.8
7/20 05:30	37.0	↓-0.7
7/20 05:40	36.5	↓-0.5
7/20 05:50	36.0	↓-0.5
7/20 06:00	35.6	↓-0.4
7/20 06:10	35.4	↓-0.2
7/20 06:20	35.2	↓-0.2
7/20 06:30	35.1	↓-0.1	干潮
7/20 06:40	35.1	0
7/20 06:50	35.2	↑0.1
7/20 07:00	35.4	↑0.2
7/20 07:10	35.7	↑0.3
7/20 07:20	36.1	↑0.4
7/20 07:30	36.5	↑0.4
7/20 07:40	37.0	↑0.5
7/20 07:50	37.5	↑0.5
7/20 08:00	38.1	↑0.6
7/20 08:10	38.8	↑0.7
7/20 08:20	39.5	↑0.7
7/20 08:30	40.2	↑0.7
7/20 08:40	41.0	↑0.8
7/20 08:50	41.8	↑0.8
7/20 09:00	42.6	↑0.8
7/20 09:10	43.4	↑0.8
7/20 09:20	44.3	↑0.9
7/20 09:30	45.1	↑0.8
7/20 09:40	46.0	↑0.9
7/20 09:50	46.8	↑0.8
7/20 10:00	47.6	↑0.8
7/20 10:10	48.4	↑0.8
7/20 10:20	49.2	↑0.8
7/20 10:30	50.0	↑0.8
7/20 10:40	50.7	↑0.7
7/20 10:50	51.4	↑0.7
7/20 11:00	52.1	↑0.7
7/20 11:10	52.8	↑0.7
7/20 11:20	53.4	↑0.6
7/20 11:30	54.0	↑0.6
7/20 11:40	54.5	↑0.5
7/20 11:50	55.0	↑0.5
7/20 12:00	55.5	↑0.5
7/20 12:10	55.9	↑0.4
7/20 12:20	56.3	↑0.4
7/20 12:30	56.7	↑0.4
7/20 12:40	57.1	↑0.4
7/20 12:50	57.4	↑0.3
7/20 13:00	57.7	↑0.3
7/20 13:10	58.0	↑0.3
7/20 13:20	58.2	↑0.2
7/20 13:30	58.5	↑0.3
7/20 13:40	58.7	↑0.2
7/20 13:50	59.0	↑0.3
7/20 14:00	59.2	↑0.2
7/20 14:10	59.4	↑0.2
7/20 14:20	59.7	↑0.3
7/20 14:30	60.0	↑0.3
7/20 14:40	60.3	↑0.3
7/20 14:50	60.6	↑0.3
7/20 15:00	60.9	↑0.3
7/20 15:10	61.3	↑0.4
7/20 15:20	61.7	↑0.4
7/20 15:30	62.1	↑0.4
7/20 15:40	62.6	↑0.5
7/20 15:50	63.1	↑0.5
7/20 16:00	63.7	↑0.6
7/20 16:10	64.3	↑0.6
7/20 16:20	65.0	↑0.7
7/20 16:30	65.8	↑0.8
7/20 16:40	66.5	↑0.7
7/20 16:50	67.4	↑0.9
7/20 17:00	68.3	↑0.9
7/20 17:10	69.3	↑1.0
7/20 17:20	70.3	↑1.0
7/20 17:30	71.4	↑1.1
7/20 17:40	72.6	↑1.2
7/20 17:50	73.7	↑1.1
7/20 18:00	75.0	↑1.3
7/20 18:10	76.3	↑1.3
7/20 18:20	77.6	↑1.3
7/20 18:30	79.0	↑1.4
7/20 18:40	80.4	↑1.4
7/20 18:50	81.8	↑1.4
7/20 19:00	83.3	↑1.5
7/20 19:10	84.8	↑1.5
7/20 19:20	86.2	↑1.4
7/20 19:30	87.7	↑1.5
7/20 19:40	89.2	↑1.5
7/20 19:50	90.7	↑1.5
7/20 20:00	92.2	↑1.5
7/20 20:10	93.6	↑1.4
7/20 20:20	95.0	↑1.4
7/20 20:30	96.4	↑1.4
7/20 20:40	97.7	↑1.3
7/20 20:50	99.0	↑1.3
7/20 21:00	100.2	↑1.2
7/20 21:10	101.3	↑1.1
7/20 21:20	102.3	↑1.0
7/20 21:30	103.3	↑1.0
7/20 21:40	104.2	↑0.9
7/20 21:50	104.9	↑0.7
7/20 22:00	105.6	↑0.7
7/20 22:10	106.2	↑0.6
7/20 22:20	106.6	↑0.4
7/20 22:30	106.9	↑0.3
7/20 22:40	107.2	↑0.3
7/20 22:50	107.2	0	満潮
7/20 23:00	107.2	0
7/20 23:10	107.0	↓-0.2
7/20 23:20	106.6	↓-0.4
7/20 23:30	106.2	↓-0.4
7/20 23:40	105.6	↓-0.6
7/20 23:50	104.9	↓-0.7