1 (水)	13:31	04:06	20:31	16:36
	113cm	41cm	114cm	112cm
長潮 出 05:33 入 17:23 出 14:02 入 23:36

那珂湊（茨城）2025年10月1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
10/1 00:00	78.5	↓-2.5
10/1 00:10	76.0	↓-2.5
10/1 00:20	73.4	↓-2.6	最大潮位差
10/1 00:30	70.9	↓-2.5
10/1 00:40	68.5	↓-2.4
10/1 00:50	66.1	↓-2.4
10/1 01:00	63.8	↓-2.3
10/1 01:10	61.5	↓-2.3
10/1 01:20	59.3	↓-2.2
10/1 01:30	57.2	↓-2.1
10/1 01:40	55.2	↓-2.0
10/1 01:50	53.3	↓-1.9
10/1 02:00	51.6	↓-1.7
10/1 02:10	49.9	↓-1.7
10/1 02:20	48.4	↓-1.5
10/1 02:30	47.0	↓-1.4
10/1 02:40	45.7	↓-1.3
10/1 02:50	44.6	↓-1.1
10/1 03:00	43.6	↓-1.0
10/1 03:10	42.8	↓-0.8
10/1 03:20	42.1	↓-0.7
10/1 03:30	41.5	↓-0.6
10/1 03:40	41.1	↓-0.4
10/1 03:50	40.8	↓-0.3
10/1 04:00	40.7	↓-0.1	干潮
10/1 04:10	40.7	0
10/1 04:20	40.8	↑0.1
10/1 04:30	41.1	↑0.3
10/1 04:40	41.5	↑0.4
10/1 04:50	42.1	↑0.6
10/1 05:00	42.8	↑0.7
10/1 05:10	43.6	↑0.8
10/1 05:20	44.5	↑0.9
10/1 05:30	45.6	↑1.1
10/1 05:40	46.7	↑1.1
10/1 05:50	48.0	↑1.3
10/1 06:00	49.4	↑1.4
10/1 06:10	50.9	↑1.5
10/1 06:20	52.5	↑1.6
10/1 06:30	54.2	↑1.7
10/1 06:40	56.0	↑1.8
10/1 06:50	57.9	↑1.9
10/1 07:00	59.8	↑1.9
10/1 07:10	61.8	↑2.0
10/1 07:20	63.9	↑2.1
10/1 07:30	66.0	↑2.1
10/1 07:40	68.1	↑2.1
10/1 07:50	70.3	↑2.2
10/1 08:00	72.5	↑2.2
10/1 08:10	74.7	↑2.2
10/1 08:20	77.0	↑2.3
10/1 08:30	79.2	↑2.2
10/1 08:40	81.4	↑2.2
10/1 08:50	83.6	↑2.2
10/1 09:00	85.7	↑2.1
10/1 09:10	87.8	↑2.1
10/1 09:20	89.8	↑2.0
10/1 09:30	91.8	↑2.0
10/1 09:40	93.7	↑1.9
10/1 09:50	95.5	↑1.8
10/1 10:00	97.2	↑1.7
10/1 10:10	98.9	↑1.7
10/1 10:20	100.4	↑1.5
10/1 10:30	101.9	↑1.5
10/1 10:40	103.2	↑1.3
10/1 10:50	104.5	↑1.3
10/1 11:00	105.6	↑1.1
10/1 11:10	106.6	↑1.0
10/1 11:20	107.6	↑1.0
10/1 11:30	108.4	↑0.8
10/1 11:40	109.2	↑0.8
10/1 11:50	109.8	↑0.6
10/1 12:00	110.4	↑0.6
10/1 12:10	110.9	↑0.5
10/1 12:20	111.3	↑0.4
10/1 12:30	111.6	↑0.3
10/1 12:40	111.9	↑0.3
10/1 12:50	112.1	↑0.2
10/1 13:00	112.2	↑0.1
10/1 13:10	112.3	↑0.1
10/1 13:20	112.4	↑0.1
10/1 13:30	112.4	0	満潮
10/1 13:40	112.4	0
10/1 13:50	112.3	↓-0.1
10/1 14:00	112.3	0
10/1 14:10	112.2	↓-0.1
10/1 14:20	112.1	↓-0.1
10/1 14:30	112.0	↓-0.1
10/1 14:40	111.9	↓-0.1
10/1 14:50	111.8	↓-0.1
10/1 15:00	111.7	↓-0.1
10/1 15:10	111.6	↓-0.1
10/1 15:20	111.5	↓-0.1
10/1 15:30	111.4	↓-0.1
10/1 15:40	111.3	↓-0.1
10/1 15:50	111.3	0
10/1 16:00	111.2	↓-0.1
10/1 16:10	111.2	0
10/1 16:20	111.1	↓-0.1
10/1 16:30	111.1	0	干潮
10/1 16:40	111.1	0
10/1 16:50	111.1	0
10/1 17:00	111.2	↑0.1
10/1 17:10	111.2	0
10/1 17:20	111.3	↑0.1
10/1 17:30	111.4	↑0.1
10/1 17:40	111.5	↑0.1
10/1 17:50	111.6	↑0.1
10/1 18:00	111.7	↑0.1
10/1 18:10	111.9	↑0.2
10/1 18:20	112.0	↑0.1
10/1 18:30	112.2	↑0.2
10/1 18:40	112.4	↑0.2
10/1 18:50	112.6	↑0.2
10/1 19:00	112.8	↑0.2
10/1 19:10	113.0	↑0.2
10/1 19:20	113.1	↑0.1
10/1 19:30	113.3	↑0.2
10/1 19:40	113.5	↑0.2
10/1 19:50	113.7	↑0.2
10/1 20:00	113.8	↑0.1
10/1 20:10	113.9	↑0.1
10/1 20:20	114.0	↑0.1
10/1 20:30	114.0	0	満潮
10/1 20:40	114.0	0
10/1 20:50	113.9	↓-0.1
10/1 21:00	113.7	↓-0.2
10/1 21:10	113.5	↓-0.2
10/1 21:20	113.2	↓-0.3
10/1 21:30	112.9	↓-0.3
10/1 21:40	112.4	↓-0.5
10/1 21:50	111.8	↓-0.6
10/1 22:00	111.2	↓-0.6
10/1 22:10	110.4	↓-0.8
10/1 22:20	109.6	↓-0.8
10/1 22:30	108.6	↓-1.0
10/1 22:40	107.5	↓-1.1
10/1 22:50	106.3	↓-1.2
10/1 23:00	105.0	↓-1.3
10/1 23:10	103.6	↓-1.4
10/1 23:20	102.1	↓-1.5
10/1 23:30	100.5	↓-1.6
10/1 23:40	98.8	↓-1.7
10/1 23:50	97.0	↓-1.8