20 (水)	06:35	00:18	17:59	12:08
	88cm	22cm	102cm	51cm
中潮 出 05:23 入 17:41 出 10:25 入 19:55

函館（北海道）2023年09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
9/20 00:00	21.9	↓-0.5
9/20 00:10	21.6	↓-0.3	干潮
9/20 00:20	21.5	↓-0.1
9/20 00:30	21.7	↑0.2
9/20 00:40	22.2	↑0.5
9/20 00:50	22.9	↑0.7
9/20 01:00	23.8	↑0.9
9/20 01:10	25.0	↑1.2
9/20 01:20	26.4	↑1.4
9/20 01:30	28.0	↑1.6
9/20 01:40	29.8	↑1.8
9/20 01:50	31.7	↑1.9
9/20 02:00	33.9	↑2.2
9/20 02:10	36.1	↑2.2
9/20 02:20	38.5	↑2.4
9/20 02:30	41.0	↑2.5
9/20 02:40	43.5	↑2.5
9/20 02:50	46.2	↑2.7
9/20 03:00	48.8	↑2.6
9/20 03:10	51.5	↑2.7
9/20 03:20	54.3	↑2.8
9/20 03:30	57.0	↑2.7
9/20 03:40	59.7	↑2.7
9/20 03:50	62.3	↑2.6
9/20 04:00	64.9	↑2.6
9/20 04:10	67.4	↑2.5
9/20 04:20	69.8	↑2.4
9/20 04:30	72.2	↑2.4
9/20 04:40	74.3	↑2.1
9/20 04:50	76.4	↑2.1
9/20 05:00	78.3	↑1.9
9/20 05:10	80.0	↑1.7
9/20 05:20	81.6	↑1.6
9/20 05:30	83.0	↑1.4
9/20 05:40	84.1	↑1.1
9/20 05:50	85.1	↑1.0
9/20 06:00	85.9	↑0.8
9/20 06:10	86.5	↑0.6
9/20 06:20	86.9	↑0.4
9/20 06:30	87.1	↑0.2	満潮
9/20 06:40	87.1	0
9/20 06:50	86.9	↓-0.2
9/20 07:00	86.5	↓-0.4
9/20 07:10	85.9	↓-0.6
9/20 07:20	85.2	↓-0.7
9/20 07:30	84.4	↓-0.8
9/20 07:40	83.4	↓-1.0
9/20 07:50	82.3	↓-1.1
9/20 08:00	81.1	↓-1.2
9/20 08:10	79.8	↓-1.3
9/20 08:20	78.4	↓-1.4
9/20 08:30	76.9	↓-1.5
9/20 08:40	75.4	↓-1.5
9/20 08:50	73.8	↓-1.6
9/20 09:00	72.2	↓-1.6
9/20 09:10	70.5	↓-1.7
9/20 09:20	68.9	↓-1.6
9/20 09:30	67.2	↓-1.7
9/20 09:40	65.6	↓-1.6
9/20 09:50	63.9	↓-1.7
9/20 10:00	62.3	↓-1.6
9/20 10:10	60.8	↓-1.5
9/20 10:20	59.2	↓-1.6
9/20 10:30	57.8	↓-1.4
9/20 10:40	56.4	↓-1.4
9/20 10:50	55.2	↓-1.2
9/20 11:00	54.0	↓-1.2
9/20 11:10	53.0	↓-1.0
9/20 11:20	52.1	↓-0.9
9/20 11:30	51.4	↓-0.7
9/20 11:40	50.8	↓-0.6
9/20 11:50	50.3	↓-0.5
9/20 12:00	50.1	↓-0.2	干潮
9/20 12:10	50.1	0
9/20 12:20	50.2	↑0.1
9/20 12:30	50.6	↑0.4
9/20 12:40	51.1	↑0.5
9/20 12:50	51.8	↑0.7
9/20 13:00	52.8	↑1.0
9/20 13:10	53.9	↑1.1
9/20 13:20	55.2	↑1.3
9/20 13:30	56.7	↑1.5
9/20 13:40	58.3	↑1.6
9/20 13:50	60.1	↑1.8
9/20 14:00	62.0	↑1.9
9/20 14:10	64.0	↑2.0
9/20 14:20	66.1	↑2.1
9/20 14:30	68.2	↑2.1
9/20 14:40	70.5	↑2.3
9/20 14:50	72.7	↑2.2
9/20 15:00	75.0	↑2.3
9/20 15:10	77.3	↑2.3
9/20 15:20	79.6	↑2.3
9/20 15:30	81.9	↑2.3
9/20 15:40	84.1	↑2.2
9/20 15:50	86.3	↑2.2
9/20 16:00	88.3	↑2.0
9/20 16:10	90.3	↑2.0
9/20 16:20	92.2	↑1.9
9/20 16:30	93.9	↑1.7
9/20 16:40	95.6	↑1.7
9/20 16:50	97.0	↑1.4
9/20 17:00	98.3	↑1.3
9/20 17:10	99.4	↑1.1
9/20 17:20	100.3	↑0.9
9/20 17:30	101.1	↑0.8
9/20 17:40	101.6	↑0.5
9/20 17:50	101.9	↑0.3	満潮
9/20 18:00	101.9	0
9/20 18:10	101.8	↓-0.1
9/20 18:20	101.4	↓-0.4
9/20 18:30	100.8	↓-0.6
9/20 18:40	100.0	↓-0.8
9/20 18:50	98.9	↓-1.1
9/20 19:00	97.6	↓-1.3
9/20 19:10	96.2	↓-1.4
9/20 19:20	94.5	↓-1.7
9/20 19:30	92.6	↓-1.9
9/20 19:40	90.6	↓-2.0
9/20 19:50	88.4	↓-2.2
9/20 20:00	86.1	↓-2.3
9/20 20:10	83.6	↓-2.5
9/20 20:20	81.1	↓-2.5
9/20 20:30	78.4	↓-2.7
9/20 20:40	75.7	↓-2.7
9/20 20:50	72.8	↓-2.9
9/20 21:00	70.0	↓-2.8
9/20 21:10	67.1	↓-2.9
9/20 21:20	64.2	↓-2.9
9/20 21:30	61.3	↓-2.9
9/20 21:40	58.3	↓-3.0	最大潮位差
9/20 21:50	55.4	↓-2.9
9/20 22:00	52.6	↓-2.8
9/20 22:10	49.8	↓-2.8
9/20 22:20	47.0	↓-2.8
9/20 22:30	44.3	↓-2.7
9/20 22:40	41.8	↓-2.5
9/20 22:50	39.3	↓-2.5
9/20 23:00	36.9	↓-2.4
9/20 23:10	34.7	↓-2.2
9/20 23:20	32.6	↓-2.1
9/20 23:30	30.7	↓-1.9
9/20 23:40	28.9	↓-1.8
9/20 23:50	27.3	↓-1.6