9 (火)	07:56	02:15	19:07	11:00
	57cm	38cm	107cm	53cm
小潮 出 04:53 入 17:45 出 22:30 入 12:58

コイセボイ（北海道）2031年09月9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
9/9 00:00	48.5	↓-1.7
9/9 00:10	46.9	↓-1.6
9/9 00:20	45.4	↓-1.5
9/9 00:30	44.0	↓-1.4
9/9 00:40	42.8	↓-1.2
9/9 00:50	41.7	↓-1.1
9/9 01:00	40.7	↓-1.0
9/9 01:10	39.8	↓-0.9
9/9 01:20	39.1	↓-0.7
9/9 01:30	38.5	↓-0.6
9/9 01:40	38.0	↓-0.5
9/9 01:50	37.7	↓-0.3
9/9 02:00	37.5	↓-0.2
9/9 02:10	37.4	↓-0.1	干潮
9/9 02:20	37.4	0
9/9 02:30	37.5	↑0.1
9/9 02:40	37.7	↑0.2
9/9 02:50	38.0	↑0.3
9/9 03:00	38.4	↑0.4
9/9 03:10	38.9	↑0.5
9/9 03:20	39.5	↑0.6
9/9 03:30	40.1	↑0.6
9/9 03:40	40.8	↑0.7
9/9 03:50	41.6	↑0.8
9/9 04:00	42.4	↑0.8
9/9 04:10	43.2	↑0.8
9/9 04:20	44.0	↑0.8
9/9 04:30	44.9	↑0.9
9/9 04:40	45.8	↑0.9
9/9 04:50	46.7	↑0.9
9/9 05:00	47.5	↑0.8
9/9 05:10	48.4	↑0.9
9/9 05:20	49.2	↑0.8
9/9 05:30	50.0	↑0.8
9/9 05:40	50.8	↑0.8
9/9 05:50	51.5	↑0.7
9/9 06:00	52.2	↑0.7
9/9 06:10	52.9	↑0.7
9/9 06:20	53.5	↑0.6
9/9 06:30	54.0	↑0.5
9/9 06:40	54.5	↑0.5
9/9 06:50	54.9	↑0.4
9/9 07:00	55.3	↑0.4
9/9 07:10	55.5	↑0.2
9/9 07:20	55.8	↑0.3
9/9 07:30	55.9	↑0.1
9/9 07:40	56.1	↑0.2
9/9 07:50	56.1	0	満潮
9/9 08:00	56.1	0
9/9 08:10	56.1	0
9/9 08:20	56.0	↓-0.1
9/9 08:30	55.8	↓-0.2
9/9 08:40	55.7	↓-0.1
9/9 08:50	55.5	↓-0.2
9/9 09:00	55.2	↓-0.3
9/9 09:10	55.0	↓-0.2
9/9 09:20	54.7	↓-0.3
9/9 09:30	54.4	↓-0.3
9/9 09:40	54.2	↓-0.2
9/9 09:50	53.9	↓-0.3
9/9 10:00	53.6	↓-0.3
9/9 10:10	53.4	↓-0.2
9/9 10:20	53.2	↓-0.2
9/9 10:30	53.0	↓-0.2
9/9 10:40	52.9	↓-0.1
9/9 10:50	52.8	↓-0.1	干潮
9/9 11:00	52.8	0	干潮
9/9 11:10	52.9	↑0.1
9/9 11:20	53.0	↑0.1
9/9 11:30	53.1	↑0.1
9/9 11:40	53.4	↑0.3
9/9 11:50	53.7	↑0.3
9/9 12:00	54.1	↑0.4
9/9 12:10	54.6	↑0.5
9/9 12:20	55.2	↑0.6
9/9 12:30	55.9	↑0.7
9/9 12:40	56.7	↑0.8
9/9 12:50	57.5	↑0.8
9/9 13:00	58.5	↑1.0
9/9 13:10	59.5	↑1.0
9/9 13:20	60.6	↑1.1
9/9 13:30	61.9	↑1.3
9/9 13:40	63.2	↑1.3
9/9 13:50	64.5	↑1.3
9/9 14:00	66.0	↑1.5
9/9 14:10	67.5	↑1.5
9/9 14:20	69.1	↑1.6
9/9 14:30	70.7	↑1.6
9/9 14:40	72.4	↑1.7
9/9 14:50	74.1	↑1.7
9/9 15:00	75.9	↑1.8
9/9 15:10	77.7	↑1.8
9/9 15:20	79.5	↑1.8
9/9 15:30	81.3	↑1.8
9/9 15:40	83.2	↑1.9
9/9 15:50	85.0	↑1.8
9/9 16:00	86.8	↑1.8
9/9 16:10	88.6	↑1.8
9/9 16:20	90.3	↑1.7
9/9 16:30	92.0	↑1.7
9/9 16:40	93.6	↑1.6
9/9 16:50	95.2	↑1.6
9/9 17:00	96.7	↑1.5
9/9 17:10	98.2	↑1.5
9/9 17:20	99.5	↑1.3
9/9 17:30	100.8	↑1.3
9/9 17:40	101.9	↑1.1
9/9 17:50	103.0	↑1.1
9/9 18:00	103.9	↑0.9
9/9 18:10	104.7	↑0.8
9/9 18:20	105.4	↑0.7
9/9 18:30	106.0	↑0.6
9/9 18:40	106.4	↑0.4
9/9 18:50	106.7	↑0.3
9/9 19:00	106.8	↑0.1	満潮
9/9 19:10	106.9	↑0.1
9/9 19:20	106.7	↓-0.2
9/9 19:30	106.5	↓-0.2
9/9 19:40	106.1	↓-0.4
9/9 19:50	105.5	↓-0.6
9/9 20:00	104.8	↓-0.7
9/9 20:10	104.0	↓-0.8
9/9 20:20	103.1	↓-0.9
9/9 20:30	102.0	↓-1.1
9/9 20:40	100.9	↓-1.1
9/9 20:50	99.6	↓-1.3
9/9 21:00	98.1	↓-1.5
9/9 21:10	96.6	↓-1.5
9/9 21:20	95.0	↓-1.6
9/9 21:30	93.3	↓-1.7
9/9 21:40	91.6	↓-1.7
9/9 21:50	89.7	↓-1.9
9/9 22:00	87.8	↓-1.9
9/9 22:10	85.8	↓-2.0
9/9 22:20	83.8	↓-2.0
9/9 22:30	81.8	↓-2.0
9/9 22:40	79.7	↓-2.1	最大潮位差
9/9 22:50	77.6	↓-2.1	最大潮位差
9/9 23:00	75.5	↓-2.1	最大潮位差
9/9 23:10	73.4	↓-2.1	最大潮位差
9/9 23:20	71.3	↓-2.1	最大潮位差
9/9 23:30	69.2	↓-2.1	最大潮位差
9/9 23:40	67.1	↓-2.1	最大潮位差
9/9 23:50	65.1	↓-2.0