13 (土)	10:42	03:39	22:57	17:34
	115cm	51cm	91cm	63cm
小潮 出 06:40 入 16:25 出 00:13 入 12:15

那珂湊（茨城）2025年12月13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
12/13 00:00	77.3	↓-1.8
12/13 00:10	75.5	↓-1.8
12/13 00:20	73.7	↓-1.8
12/13 00:30	71.9	↓-1.8
12/13 00:40	70.1	↓-1.8
12/13 00:50	68.3	↓-1.8
12/13 01:00	66.5	↓-1.8
12/13 01:10	64.8	↓-1.7
12/13 01:20	63.2	↓-1.6
12/13 01:30	61.6	↓-1.6
12/13 01:40	60.0	↓-1.6
12/13 01:50	58.6	↓-1.4
12/13 02:00	57.3	↓-1.3
12/13 02:10	56.0	↓-1.3
12/13 02:20	54.9	↓-1.1
12/13 02:30	53.9	↓-1.0
12/13 02:40	53.0	↓-0.9
12/13 02:50	52.3	↓-0.7
12/13 03:00	51.7	↓-0.6
12/13 03:10	51.2	↓-0.5
12/13 03:20	50.9	↓-0.3
12/13 03:30	50.7	↓-0.2	干潮
12/13 03:40	50.6	↓-0.1
12/13 03:50	50.7	↑0.1
12/13 04:00	51.0	↑0.3
12/13 04:10	51.4	↑0.4
12/13 04:20	51.9	↑0.5
12/13 04:30	52.6	↑0.7
12/13 04:40	53.5	↑0.9
12/13 04:50	54.5	↑1.0
12/13 05:00	55.6	↑1.1
12/13 05:10	56.9	↑1.3
12/13 05:20	58.3	↑1.4
12/13 05:30	59.9	↑1.6
12/13 05:40	61.6	↑1.7
12/13 05:50	63.4	↑1.8
12/13 06:00	65.3	↑1.9
12/13 06:10	67.3	↑2.0
12/13 06:20	69.4	↑2.1
12/13 06:30	71.6	↑2.2
12/13 06:40	73.8	↑2.2
12/13 06:50	76.1	↑2.3
12/13 07:00	78.5	↑2.4
12/13 07:10	80.9	↑2.4
12/13 07:20	83.3	↑2.4
12/13 07:30	85.8	↑2.5	最大潮位差
12/13 07:40	88.2	↑2.4
12/13 07:50	90.6	↑2.4
12/13 08:00	93.0	↑2.4
12/13 08:10	95.3	↑2.3
12/13 08:20	97.5	↑2.2
12/13 08:30	99.7	↑2.2
12/13 08:40	101.7	↑2.0
12/13 08:50	103.7	↑2.0
12/13 09:00	105.5	↑1.8
12/13 09:10	107.2	↑1.7
12/13 09:20	108.7	↑1.5
12/13 09:30	110.1	↑1.4
12/13 09:40	111.3	↑1.2
12/13 09:50	112.3	↑1.0
12/13 10:00	113.2	↑0.9
12/13 10:10	113.8	↑0.6
12/13 10:20	114.3	↑0.5
12/13 10:30	114.6	↑0.3
12/13 10:40	114.7	↑0.1	満潮
12/13 10:50	114.6	↓-0.1
12/13 11:00	114.4	↓-0.2
12/13 11:10	113.9	↓-0.5
12/13 11:20	113.3	↓-0.6
12/13 11:30	112.5	↓-0.8
12/13 11:40	111.6	↓-0.9
12/13 11:50	110.5	↓-1.1
12/13 12:00	109.3	↓-1.2
12/13 12:10	107.9	↓-1.4
12/13 12:20	106.4	↓-1.5
12/13 12:30	104.9	↓-1.5
12/13 12:40	103.2	↓-1.7
12/13 12:50	101.4	↓-1.8
12/13 13:00	99.6	↓-1.8
12/13 13:10	97.7	↓-1.9
12/13 13:20	95.8	↓-1.9
12/13 13:30	93.8	↓-2.0
12/13 13:40	91.8	↓-2.0
12/13 13:50	89.8	↓-2.0
12/13 14:00	87.8	↓-2.0
12/13 14:10	85.9	↓-1.9
12/13 14:20	83.9	↓-2.0
12/13 14:30	82.0	↓-1.9
12/13 14:40	80.1	↓-1.9
12/13 14:50	78.3	↓-1.8
12/13 15:00	76.6	↓-1.7
12/13 15:10	74.9	↓-1.7
12/13 15:20	73.3	↓-1.6
12/13 15:30	71.7	↓-1.6
12/13 15:40	70.3	↓-1.4
12/13 15:50	69.0	↓-1.3
12/13 16:00	67.8	↓-1.2
12/13 16:10	66.6	↓-1.2
12/13 16:20	65.6	↓-1.0
12/13 16:30	64.8	↓-0.8
12/13 16:40	64.0	↓-0.8
12/13 16:50	63.4	↓-0.6
12/13 17:00	62.9	↓-0.5
12/13 17:10	62.5	↓-0.4
12/13 17:20	62.2	↓-0.3
12/13 17:30	62.1	↓-0.1	干潮
12/13 17:40	62.2	↑0.1
12/13 17:50	62.3	↑0.1
12/13 18:00	62.6	↑0.3
12/13 18:10	63.0	↑0.4
12/13 18:20	63.6	↑0.6
12/13 18:30	64.2	↑0.6
12/13 18:40	65.0	↑0.8
12/13 18:50	65.9	↑0.9
12/13 19:00	66.8	↑0.9
12/13 19:10	67.9	↑1.1
12/13 19:20	69.0	↑1.1
12/13 19:30	70.2	↑1.2
12/13 19:40	71.5	↑1.3
12/13 19:50	72.8	↑1.3
12/13 20:00	74.2	↑1.4
12/13 20:10	75.5	↑1.3
12/13 20:20	76.9	↑1.4
12/13 20:30	78.3	↑1.4
12/13 20:40	79.6	↑1.3
12/13 20:50	80.9	↑1.3
12/13 21:00	82.2	↑1.3
12/13 21:10	83.4	↑1.2
12/13 21:20	84.6	↑1.2
12/13 21:30	85.6	↑1.0
12/13 21:40	86.6	↑1.0
12/13 21:50	87.5	↑0.9
12/13 22:00	88.2	↑0.7
12/13 22:10	88.9	↑0.7
12/13 22:20	89.4	↑0.5
12/13 22:30	89.8	↑0.4
12/13 22:40	90.1	↑0.3
12/13 22:50	90.2	↑0.1	満潮
12/13 23:00	90.2	0
12/13 23:10	90.1	↓-0.1
12/13 23:20	89.8	↓-0.3
12/13 23:30	89.5	↓-0.3
12/13 23:40	89.0	↓-0.5
12/13 23:50	88.4	↓-0.6