23 (土)	05:40	09:56	16:40	-
	71cm	55cm	116cm	-
中潮 出 05:10 入 17:18 出 10:44 入 19:33

コイセボイ（北海道）2028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	22.1	↑0.6
9/23 00:10	22.9	↑0.8
9/23 00:20	23.9	↑1.0
9/23 00:30	25.1	↑1.2
9/23 00:40	26.4	↑1.3
9/23 00:50	27.9	↑1.5
9/23 01:00	29.5	↑1.6
9/23 01:10	31.2	↑1.7
9/23 01:20	33.0	↑1.8
9/23 01:30	34.9	↑1.9
9/23 01:40	36.9	↑2.0
9/23 01:50	38.9	↑2.0
9/23 02:00	41.0	↑2.1
9/23 02:10	43.1	↑2.1
9/23 02:20	45.2	↑2.1
9/23 02:30	47.3	↑2.1
9/23 02:40	49.4	↑2.1
9/23 02:50	51.4	↑2.0
9/23 03:00	53.4	↑2.0
9/23 03:10	55.4	↑2.0
9/23 03:20	57.3	↑1.9
9/23 03:30	59.0	↑1.7
9/23 03:40	60.7	↑1.7
9/23 03:50	62.3	↑1.6
9/23 04:00	63.7	↑1.4
9/23 04:10	65.1	↑1.4
9/23 04:20	66.3	↑1.2
9/23 04:30	67.3	↑1.0
9/23 04:40	68.3	↑1.0
9/23 04:50	69.0	↑0.7
9/23 05:00	69.7	↑0.7
9/23 05:10	70.1	↑0.4
9/23 05:20	70.5	↑0.4
9/23 05:30	70.7	↑0.2	満潮
9/23 05:40	70.7	0	満潮
9/23 05:50	70.7	0
9/23 06:00	70.4	↓-0.3
9/23 06:10	70.1	↓-0.3
9/23 06:20	69.7	↓-0.4
9/23 06:30	69.1	↓-0.6
9/23 06:40	68.5	↓-0.6
9/23 06:50	67.7	↓-0.8
9/23 07:00	66.9	↓-0.8
9/23 07:10	66.0	↓-0.9
9/23 07:20	65.1	↓-0.9
9/23 07:30	64.1	↓-1.0
9/23 07:40	63.1	↓-1.0
9/23 07:50	62.1	↓-1.0
9/23 08:00	61.2	↓-0.9
9/23 08:10	60.2	↓-1.0
9/23 08:20	59.2	↓-1.0
9/23 08:30	58.3	↓-0.9
9/23 08:40	57.5	↓-0.8
9/23 08:50	56.7	↓-0.8
9/23 09:00	56.0	↓-0.7
9/23 09:10	55.4	↓-0.6
9/23 09:20	54.9	↓-0.5
9/23 09:30	54.5	↓-0.4
9/23 09:40	54.2	↓-0.3
9/23 09:50	54.1	↓-0.1	干潮
9/23 10:00	54.1	0
9/23 10:10	54.2	↑0.1
9/23 10:20	54.5	↑0.3
9/23 10:30	54.9	↑0.4
9/23 10:40	55.5	↑0.6
9/23 10:50	56.3	↑0.8
9/23 11:00	57.2	↑0.9
9/23 11:10	58.3	↑1.1
9/23 11:20	59.5	↑1.2
9/23 11:30	60.8	↑1.3
9/23 11:40	62.3	↑1.5
9/23 11:50	64.0	↑1.7
9/23 12:00	65.7	↑1.7
9/23 12:10	67.6	↑1.9
9/23 12:20	69.6	↑2.0
9/23 12:30	71.7	↑2.1
9/23 12:40	73.9	↑2.2
9/23 12:50	76.1	↑2.2
9/23 13:00	78.4	↑2.3
9/23 13:10	80.8	↑2.4
9/23 13:20	83.2	↑2.4
9/23 13:30	85.6	↑2.4
9/23 13:40	88.0	↑2.4
9/23 13:50	90.4	↑2.4
9/23 14:00	92.8	↑2.4
9/23 14:10	95.1	↑2.3
9/23 14:20	97.4	↑2.3
9/23 14:30	99.6	↑2.2
9/23 14:40	101.7	↑2.1
9/23 14:50	103.7	↑2.0
9/23 15:00	105.6	↑1.9
9/23 15:10	107.3	↑1.7
9/23 15:20	108.9	↑1.6
9/23 15:30	110.4	↑1.5
9/23 15:40	111.6	↑1.2
9/23 15:50	112.7	↑1.1
9/23 16:00	113.6	↑0.9
9/23 16:10	114.3	↑0.7
9/23 16:20	114.8	↑0.5
9/23 16:30	115.1	↑0.3	満潮
9/23 16:40	115.2	↑0.1	満潮
9/23 16:50	115.1	↓-0.1
9/23 17:00	114.7	↓-0.4
9/23 17:10	114.1	↓-0.6
9/23 17:20	113.3	↓-0.8
9/23 17:30	112.3	↓-1.0
9/23 17:40	111.1	↓-1.2
9/23 17:50	109.6	↓-1.5
9/23 18:00	108.0	↓-1.6
9/23 18:10	106.2	↓-1.8
9/23 18:20	104.2	↓-2.0
9/23 18:30	102.0	↓-2.2
9/23 18:40	99.6	↓-2.4
9/23 18:50	97.1	↓-2.5
9/23 19:00	94.4	↓-2.7
9/23 19:10	91.6	↓-2.8
9/23 19:20	88.7	↓-2.9
9/23 19:30	85.7	↓-3.0
9/23 19:40	82.7	↓-3.0
9/23 19:50	79.5	↓-3.2
9/23 20:00	76.3	↓-3.2
9/23 20:10	73.1	↓-3.2
9/23 20:20	69.9	↓-3.2
9/23 20:30	66.6	↓-3.3	最大潮位差
9/23 20:40	63.4	↓-3.2
9/23 20:50	60.2	↓-3.2
9/23 21:00	57.0	↓-3.2
9/23 21:10	54.0	↓-3.0
9/23 21:20	51.0	↓-3.0
9/23 21:30	48.1	↓-2.9
9/23 21:40	45.3	↓-2.8
9/23 21:50	42.6	↓-2.7
9/23 22:00	40.1	↓-2.5
9/23 22:10	37.7	↓-2.4
9/23 22:20	35.5	↓-2.2
9/23 22:30	33.4	↓-2.1
9/23 22:40	31.5	↓-1.9
9/23 22:50	29.8	↓-1.7
9/23 23:00	28.2	↓-1.6
9/23 23:10	26.9	↓-1.3
9/23 23:20	25.8	↓-1.1
9/23 23:30	24.8	↓-1.0
9/23 23:40	24.1	↓-0.7
9/23 23:50	23.5	↓-0.6