31 (火)	19:51	03:20	-	-
	108cm	39cm	-	-
小潮 出 04:43 入 18:00 出 22:24 入 13:29

コイセボイ（北海道）2021年08月31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
8/31 00:00	58.7	↓-2.0
8/31 00:10	56.7	↓-2.0
8/31 00:20	54.9	↓-1.8
8/31 00:30	53.1	↓-1.8
8/31 00:40	51.4	↓-1.7
8/31 00:50	49.8	↓-1.6
8/31 01:00	48.3	↓-1.5
8/31 01:10	46.9	↓-1.4
8/31 01:20	45.6	↓-1.3
8/31 01:30	44.4	↓-1.2
8/31 01:40	43.3	↓-1.1
8/31 01:50	42.3	↓-1.0
8/31 02:00	41.4	↓-0.9
8/31 02:10	40.6	↓-0.8
8/31 02:20	40.0	↓-0.6
8/31 02:30	39.4	↓-0.6
8/31 02:40	39.0	↓-0.4
8/31 02:50	38.7	↓-0.3
8/31 03:00	38.4	↓-0.3
8/31 03:10	38.3	↓-0.1	干潮
8/31 03:20	38.3	0	干潮
8/31 03:30	38.3	0
8/31 03:40	38.5	↑0.2
8/31 03:50	38.7	↑0.2
8/31 04:00	39.0	↑0.3
8/31 04:10	39.3	↑0.3
8/31 04:20	39.7	↑0.4
8/31 04:30	40.2	↑0.5
8/31 04:40	40.7	↑0.5
8/31 04:50	41.3	↑0.6
8/31 05:00	41.9	↑0.6
8/31 05:10	42.5	↑0.6
8/31 05:20	43.2	↑0.7
8/31 05:30	43.9	↑0.7
8/31 05:40	44.6	↑0.7
8/31 05:50	45.2	↑0.6
8/31 06:00	45.9	↑0.7
8/31 06:10	46.6	↑0.7
8/31 06:20	47.3	↑0.7
8/31 06:30	47.9	↑0.6
8/31 06:40	48.5	↑0.6
8/31 06:50	49.1	↑0.6
8/31 07:00	49.7	↑0.6
8/31 07:10	50.2	↑0.5
8/31 07:20	50.7	↑0.5
8/31 07:30	51.2	↑0.5
8/31 07:40	51.6	↑0.4
8/31 07:50	52.0	↑0.4
8/31 08:00	52.4	↑0.4
8/31 08:10	52.7	↑0.3
8/31 08:20	53.0	↑0.3
8/31 08:30	53.2	↑0.2
8/31 08:40	53.4	↑0.2
8/31 08:50	53.6	↑0.2
8/31 09:00	53.7	↑0.1
8/31 09:10	53.9	↑0.2
8/31 09:20	53.9	0
8/31 09:30	54.0	↑0.1
8/31 09:40	54.1	↑0.1
8/31 09:50	54.1	0
8/31 10:00	54.1	0
8/31 10:10	54.2	↑0.1
8/31 10:20	54.2	0
8/31 10:30	54.2	0
8/31 10:40	54.3	↑0.1
8/31 10:50	54.4	↑0.1
8/31 11:00	54.4	0
8/31 11:10	54.6	↑0.2
8/31 11:20	54.7	↑0.1
8/31 11:30	54.9	↑0.2
8/31 11:40	55.1	↑0.2
8/31 11:50	55.4	↑0.3
8/31 12:00	55.8	↑0.4
8/31 12:10	56.1	↑0.3
8/31 12:20	56.6	↑0.5
8/31 12:30	57.1	↑0.5
8/31 12:40	57.7	↑0.6
8/31 12:50	58.3	↑0.6
8/31 13:00	59.0	↑0.7
8/31 13:10	59.8	↑0.8
8/31 13:20	60.6	↑0.8
8/31 13:30	61.6	↑1.0
8/31 13:40	62.5	↑0.9
8/31 13:50	63.6	↑1.1
8/31 14:00	64.7	↑1.1
8/31 14:10	65.9	↑1.2
8/31 14:20	67.2	↑1.3
8/31 14:30	68.5	↑1.3
8/31 14:40	69.9	↑1.4
8/31 14:50	71.3	↑1.4
8/31 15:00	72.8	↑1.5
8/31 15:10	74.3	↑1.5
8/31 15:20	75.8	↑1.5
8/31 15:30	77.4	↑1.6
8/31 15:40	79.0	↑1.6
8/31 15:50	80.7	↑1.7
8/31 16:00	82.3	↑1.6
8/31 16:10	84.0	↑1.7
8/31 16:20	85.6	↑1.6
8/31 16:30	87.2	↑1.6
8/31 16:40	88.9	↑1.7
8/31 16:50	90.5	↑1.6
8/31 17:00	92.0	↑1.5
8/31 17:10	93.6	↑1.6
8/31 17:20	95.1	↑1.5
8/31 17:30	96.5	↑1.4
8/31 17:40	97.9	↑1.4
8/31 17:50	99.2	↑1.3
8/31 18:00	100.4	↑1.2
8/31 18:10	101.5	↑1.1
8/31 18:20	102.6	↑1.1
8/31 18:30	103.6	↑1.0
8/31 18:40	104.4	↑0.8
8/31 18:50	105.2	↑0.8
8/31 19:00	105.9	↑0.7
8/31 19:10	106.4	↑0.5
8/31 19:20	106.8	↑0.4
8/31 19:30	107.1	↑0.3
8/31 19:40	107.3	↑0.2
8/31 19:50	107.4	↑0.1	満潮
8/31 20:00	107.3	↓-0.1
8/31 20:10	107.1	↓-0.2
8/31 20:20	106.8	↓-0.3
8/31 20:30	106.4	↓-0.4
8/31 20:40	105.8	↓-0.6
8/31 20:50	105.2	↓-0.6
8/31 21:00	104.3	↓-0.9
8/31 21:10	103.4	↓-0.9
8/31 21:20	102.4	↓-1.0
8/31 21:30	101.3	↓-1.1
8/31 21:40	100.0	↓-1.3
8/31 21:50	98.7	↓-1.3
8/31 22:00	97.2	↓-1.5
8/31 22:10	95.7	↓-1.5
8/31 22:20	94.1	↓-1.6
8/31 22:30	92.4	↓-1.7
8/31 22:40	90.6	↓-1.8
8/31 22:50	88.8	↓-1.8
8/31 23:00	86.9	↓-1.9
8/31 23:10	84.9	↓-2.0
8/31 23:20	82.9	↓-2.0
8/31 23:30	80.9	↓-2.0
8/31 23:40	78.9	↓-2.0
8/31 23:50	76.8	↓-2.1	最大潮位差