23 (火)	07:24	01:28	18:23	10:40
	58cm	32cm	109cm	53cm
小潮 出 05:09 入 17:19 出 11:49 入 21:17

コイセボイ（北海道）2031年09月23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
9/23 00:00	37.3	↓-1.3
9/23 00:10	36.1	↓-1.2
9/23 00:20	35.0	↓-1.1
9/23 00:30	34.1	↓-0.9
9/23 00:40	33.3	↓-0.8
9/23 00:50	32.7	↓-0.6
9/23 01:00	32.2	↓-0.5
9/23 01:10	31.9	↓-0.3
9/23 01:20	31.8	↓-0.1	干潮
9/23 01:30	31.7	↓-0.1
9/23 01:40	31.9	↑0.2
9/23 01:50	32.1	↑0.2
9/23 02:00	32.5	↑0.4
9/23 02:10	33.0	↑0.5
9/23 02:20	33.5	↑0.5
9/23 02:30	34.2	↑0.7
9/23 02:40	35.0	↑0.8
9/23 02:50	35.9	↑0.9
9/23 03:00	36.8	↑0.9
9/23 03:10	37.8	↑1.0
9/23 03:20	38.9	↑1.1
9/23 03:30	40.0	↑1.1
9/23 03:40	41.1	↑1.1
9/23 03:50	42.3	↑1.2
9/23 04:00	43.5	↑1.2
9/23 04:10	44.6	↑1.1
9/23 04:20	45.8	↑1.2
9/23 04:30	46.9	↑1.1
9/23 04:40	48.1	↑1.2
9/23 04:50	49.1	↑1.0
9/23 05:00	50.2	↑1.1
9/23 05:10	51.2	↑1.0
9/23 05:20	52.1	↑0.9
9/23 05:30	53.0	↑0.9
9/23 05:40	53.8	↑0.8
9/23 05:50	54.6	↑0.8
9/23 06:00	55.2	↑0.6
9/23 06:10	55.8	↑0.6
9/23 06:20	56.4	↑0.6
9/23 06:30	56.8	↑0.4
9/23 06:40	57.2	↑0.4
9/23 06:50	57.4	↑0.2
9/23 07:00	57.6	↑0.2
9/23 07:10	57.8	↑0.2
9/23 07:20	57.8	0	満潮
9/23 07:30	57.8	0
9/23 07:40	57.7	↓-0.1
9/23 07:50	57.6	↓-0.1
9/23 08:00	57.4	↓-0.2
9/23 08:10	57.1	↓-0.3
9/23 08:20	56.9	↓-0.2
9/23 08:30	56.5	↓-0.4
9/23 08:40	56.2	↓-0.3
9/23 08:50	55.8	↓-0.4
9/23 09:00	55.5	↓-0.3
9/23 09:10	55.1	↓-0.4
9/23 09:20	54.7	↓-0.4
9/23 09:30	54.4	↓-0.3
9/23 09:40	54.0	↓-0.4
9/23 09:50	53.7	↓-0.3
9/23 10:00	53.5	↓-0.2
9/23 10:10	53.2	↓-0.3
9/23 10:20	53.1	↓-0.1
9/23 10:30	53.0	↓-0.1	干潮
9/23 10:40	52.9	↓-0.1	干潮
9/23 10:50	53.0	↑0.1
9/23 11:00	53.1	↑0.1
9/23 11:10	53.3	↑0.2
9/23 11:20	53.6	↑0.3
9/23 11:30	54.0	↑0.4
9/23 11:40	54.5	↑0.5
9/23 11:50	55.1	↑0.6
9/23 12:00	55.8	↑0.7
9/23 12:10	56.6	↑0.8
9/23 12:20	57.6	↑1.0
9/23 12:30	58.6	↑1.0
9/23 12:40	59.7	↑1.1
9/23 12:50	60.9	↑1.2
9/23 13:00	62.2	↑1.3
9/23 13:10	63.6	↑1.4
9/23 13:20	65.1	↑1.5
9/23 13:30	66.7	↑1.6
9/23 13:40	68.3	↑1.6
9/23 13:50	70.0	↑1.7
9/23 14:00	71.8	↑1.8
9/23 14:10	73.6	↑1.8
9/23 14:20	75.5	↑1.9
9/23 14:30	77.4	↑1.9
9/23 14:40	79.4	↑2.0
9/23 14:50	81.3	↑1.9
9/23 15:00	83.3	↑2.0
9/23 15:10	85.2	↑1.9
9/23 15:20	87.2	↑2.0
9/23 15:30	89.1	↑1.9
9/23 15:40	91.0	↑1.9
9/23 15:50	92.8	↑1.8
9/23 16:00	94.6	↑1.8
9/23 16:10	96.3	↑1.7
9/23 16:20	97.9	↑1.6
9/23 16:30	99.5	↑1.6
9/23 16:40	100.9	↑1.4
9/23 16:50	102.3	↑1.4
9/23 17:00	103.5	↑1.2
9/23 17:10	104.6	↑1.1
9/23 17:20	105.6	↑1.0
9/23 17:30	106.5	↑0.9
9/23 17:40	107.2	↑0.7
9/23 17:50	107.7	↑0.5
9/23 18:00	108.2	↑0.5
9/23 18:10	108.4	↑0.2
9/23 18:20	108.5	↑0.1	満潮
9/23 18:30	108.5	0
9/23 18:40	108.3	↓-0.2
9/23 18:50	107.9	↓-0.4
9/23 19:00	107.4	↓-0.5
9/23 19:10	106.7	↓-0.7
9/23 19:20	105.9	↓-0.8
9/23 19:30	104.9	↓-1.0
9/23 19:40	103.8	↓-1.1
9/23 19:50	102.5	↓-1.3
9/23 20:00	101.1	↓-1.4
9/23 20:10	99.6	↓-1.5
9/23 20:20	97.9	↓-1.7
9/23 20:30	96.2	↓-1.7
9/23 20:40	94.3	↓-1.9
9/23 20:50	92.3	↓-2.0
9/23 21:00	90.3	↓-2.0
9/23 21:10	88.2	↓-2.1
9/23 21:20	86.0	↓-2.2
9/23 21:30	83.7	↓-2.3
9/23 21:40	81.4	↓-2.3
9/23 21:50	79.1	↓-2.3
9/23 22:00	76.8	↓-2.3
9/23 22:10	74.4	↓-2.4	最大潮位差
9/23 22:20	72.0	↓-2.4	最大潮位差
9/23 22:30	69.7	↓-2.3
9/23 22:40	67.3	↓-2.4	最大潮位差
9/23 22:50	65.0	↓-2.3
9/23 23:00	62.7	↓-2.3
9/23 23:10	60.5	↓-2.2
9/23 23:20	58.3	↓-2.2
9/23 23:30	56.2	↓-2.1
9/23 23:40	54.2	↓-2.0
9/23 23:50	52.3	↓-1.9