31 (水)	02:36	05:58	11:47	19:54
	105cm	97cm	127cm	12cm
中潮 出 06:49 入 16:34 出 13:09 入 03:04

日立（茨城）2025年12月31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
12/31 00:00	89.4	↑2.0
12/31 00:10	91.4	↑2.0
12/31 00:20	93.2	↑1.8
12/31 00:30	94.8	↑1.6
12/31 00:40	96.4	↑1.6
12/31 00:50	97.8	↑1.4
12/31 01:00	99.0	↑1.2
12/31 01:10	100.2	↑1.2
12/31 01:20	101.2	↑1.0
12/31 01:30	102.1	↑0.9
12/31 01:40	102.8	↑0.7
12/31 01:50	103.4	↑0.6
12/31 02:00	103.9	↑0.5
12/31 02:10	104.3	↑0.4
12/31 02:20	104.5	↑0.2
12/31 02:30	104.6	↑0.1	満潮
12/31 02:40	104.6	0
12/31 02:50	104.5	↓-0.1
12/31 03:00	104.3	↓-0.2
12/31 03:10	104.0	↓-0.3
12/31 03:20	103.6	↓-0.4
12/31 03:30	103.1	↓-0.5
12/31 03:40	102.5	↓-0.6
12/31 03:50	102.0	↓-0.5
12/31 04:00	101.3	↓-0.7
12/31 04:10	100.7	↓-0.6
12/31 04:20	100.1	↓-0.6
12/31 04:30	99.4	↓-0.7
12/31 04:40	98.8	↓-0.6
12/31 04:50	98.3	↓-0.5
12/31 05:00	97.8	↓-0.5
12/31 05:10	97.3	↓-0.5
12/31 05:20	96.9	↓-0.4
12/31 05:30	96.6	↓-0.3
12/31 05:40	96.4	↓-0.2
12/31 05:50	96.3	↓-0.1	干潮
12/31 06:00	96.3	0
12/31 06:10	96.4	↑0.1
12/31 06:20	96.5	↑0.1
12/31 06:30	96.8	↑0.3
12/31 06:40	97.2	↑0.4
12/31 06:50	97.7	↑0.5
12/31 07:00	98.2	↑0.5
12/31 07:10	98.9	↑0.7
12/31 07:20	99.6	↑0.7
12/31 07:30	100.4	↑0.8
12/31 07:40	101.3	↑0.9
12/31 07:50	102.3	↑1.0
12/31 08:00	103.3	↑1.0
12/31 08:10	104.4	↑1.1
12/31 08:20	105.6	↑1.2
12/31 08:30	106.8	↑1.2
12/31 08:40	108.0	↑1.2
12/31 08:50	109.3	↑1.3
12/31 09:00	110.7	↑1.4
12/31 09:10	112.0	↑1.3
12/31 09:20	113.4	↑1.4
12/31 09:30	114.8	↑1.4
12/31 09:40	116.2	↑1.4
12/31 09:50	117.5	↑1.3
12/31 10:00	118.8	↑1.3
12/31 10:10	120.1	↑1.3
12/31 10:20	121.3	↑1.2
12/31 10:30	122.4	↑1.1
12/31 10:40	123.5	↑1.1
12/31 10:50	124.4	↑0.9
12/31 11:00	125.2	↑0.8
12/31 11:10	125.8	↑0.6
12/31 11:20	126.3	↑0.5
12/31 11:30	126.7	↑0.4
12/31 11:40	126.9	↑0.2	満潮
12/31 11:50	126.9	0
12/31 12:00	126.7	↓-0.2
12/31 12:10	126.4	↓-0.3
12/31 12:20	125.9	↓-0.5
12/31 12:30	125.2	↓-0.7
12/31 12:40	124.3	↓-0.9
12/31 12:50	123.2	↓-1.1
12/31 13:00	121.9	↓-1.3
12/31 13:10	120.4	↓-1.5
12/31 13:20	118.8	↓-1.6
12/31 13:30	117.0	↓-1.8
12/31 13:40	115.0	↓-2.0
12/31 13:50	112.8	↓-2.2
12/31 14:00	110.4	↓-2.4
12/31 14:10	107.9	↓-2.5
12/31 14:20	105.2	↓-2.7
12/31 14:30	102.3	↓-2.9
12/31 14:40	99.3	↓-3.0
12/31 14:50	96.2	↓-3.1
12/31 15:00	92.8	↓-3.4
12/31 15:10	89.4	↓-3.4
12/31 15:20	85.8	↓-3.6
12/31 15:30	82.2	↓-3.6
12/31 15:40	78.4	↓-3.8
12/31 15:50	74.5	↓-3.9
12/31 16:00	70.7	↓-3.8
12/31 16:10	66.7	↓-4.0	最大潮位差
12/31 16:20	62.8	↓-3.9
12/31 16:30	58.8	↓-4.0	最大潮位差
12/31 16:40	54.9	↓-3.9
12/31 16:50	51.1	↓-3.8
12/31 17:00	47.3	↓-3.8
12/31 17:10	43.6	↓-3.7
12/31 17:20	40.0	↓-3.6
12/31 17:30	36.6	↓-3.4
12/31 17:40	33.4	↓-3.2
12/31 17:50	30.3	↓-3.1
12/31 18:00	27.4	↓-2.9
12/31 18:10	24.7	↓-2.7
12/31 18:20	22.2	↓-2.5
12/31 18:30	20.0	↓-2.2
12/31 18:40	18.0	↓-2.0
12/31 18:50	16.2	↓-1.8
12/31 19:00	14.7	↓-1.5
12/31 19:10	13.4	↓-1.3
12/31 19:20	12.4	↓-1.0
12/31 19:30	11.7	↓-0.7
12/31 19:40	11.2	↓-0.5
12/31 19:50	11.0	↓-0.2	干潮
12/31 20:00	11.1	↑0.1
12/31 20:10	11.4	↑0.3
12/31 20:20	12.0	↑0.6
12/31 20:30	12.9	↑0.9
12/31 20:40	14.0	↑1.1
12/31 20:50	15.4	↑1.4
12/31 21:00	17.0	↑1.6
12/31 21:10	18.9	↑1.9
12/31 21:20	21.0	↑2.1
12/31 21:30	23.4	↑2.4
12/31 21:40	25.9	↑2.5
12/31 21:50	28.7	↑2.8
12/31 22:00	31.6	↑2.9
12/31 22:10	34.7	↑3.1
12/31 22:20	38.0	↑3.3
12/31 22:30	41.3	↑3.3
12/31 22:40	44.8	↑3.5
12/31 22:50	48.3	↑3.5
12/31 23:00	51.9	↑3.6
12/31 23:10	55.5	↑3.6
12/31 23:20	59.1	↑3.6
12/31 23:30	62.8	↑3.7
12/31 23:40	66.3	↑3.5
12/31 23:50	69.9	↑3.6